Million U.S. Housing Units

Total............................................................................ 111.1 72.1 7.6 7.8 16.7 6.9

Personal Computers

Do Not Use a Personal Computer......................... 35.5 17.8 3.1 3.7 7.3 3.6

Use a Personal Computer...................................... 75.6 54.2 4.5 4.0 9.4 3.4

Most-Used Personal Computer

Type of PC

Desk-top Model................................................. 58.6 42.9 3.3 3.0 6.6 2.9

Laptop Model.................................................... 16.9 11.3 1.2 1.1 2.9 0.5

Hours Turned on Per Week

Less than 2 Hours............................................. 13.6 9.3 0.9 0.9 1.4 1.0

2 to 15 Hours.................................................... 29.1 20.6 1.8 1.4 4.0 1.3

16 to 40 Hours................................................... 13.5 10.0 0.8 0.8 1.5 0.4

41 to 167 Hours................................................. 6.3 4.8 Q Q 1.0 Q

On All the Time................................................. 13.0 9.5 0.8 0.7 1.5 0.5

Status of PC When Not Being Used

Left On.............................................................. 12.5 9.3 0.8 0.5 1.4 0.4

Completely Turned Off...................................... 43.6 30.6 2.5 2.4 5.9 2.3

Manually Put into Sleep Mode........................... 19.4 14.3 1.2 1.1 2.2 0.6

CPU Goes to Sleep When PC is Left On

Yes................................................................ 9.1 7.1 0.6 0.3 0.9 0.3

No.................................................................. 3.4 2.2 Q 0.3 0.5 Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 45.0 32.6 2.5 2.4 5.1 2.4

Flat-Panel LCD.............................................. 13.6 10.3 0.8 0.6 1.5 0.5

Laptop (Flat-panel LCD).................................... 16.9 11.3 1.2 1.1 2.9 0.5

Status of Monitor When Not in Use

Screen-Saver.................................................... 6.1 4.6 0.2 0.4 0.6 0.2

Automatic Sleep Mode...................................... 4.4 3.3 0.4 Q 0.4 Q

Monitor is Turned Off......................................... 2.0 1.4 Q Q 0.3 Q

Second Most-Used Personal Computer

Use a Second Personal Computer........................ 25.3 20.3 1.4 1.0 1.8 0.6

Type of PC

Desk-top Model................................................. 15.8 12.9 0.8 0.7 1.0 0.5

Lap-top Model................................................... 9.4 7.4 0.6 0.4 0.9 Q

Hours Turned on Per Week

Less than 2 Hours............................................. 8.2 6.4 0.5 0.3 0.5 0.4

2 to 15 Hours.................................................... 9.9 8.1 0.5 0.4 0.8 Q

16 to 40 Hours................................................... 3.2 2.6 Q Q 0.2 Q

41 to 167 Hours................................................. 1.2 1.0 Q Q Q N

On All the Time................................................. 2.8 2.2 Q Q Q Q

Table HC2.12 Home Electronics Usage Indicators by Type of Housing Unit, 2005

5 or More 

Units

Mobile 

Homes

Type of Housing Unit

Housing 

Units 

(millions)

Single-Family Units Apartments in Buildings 

With--

Home Electonics Usage Indicators Detached Attached 2 to 4 Units

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Table HC2.12 Home Electronics Usage Indicators by Type of Housing Unit, 2005

5 or More 

Units

Mobile 

Homes

Type of Housing Unit

Housing 

Units 

(millions)

Single-Family Units Apartments in Buildings 

With--

Home Electonics Usage Indicators Detached Attached 2 to 4 Units

Status of PC When Not in Use

Left On.............................................................. 3.2 2.6 Q Q 0.2 Q

Completely Turned Off...................................... 17.8 14.4 0.9 0.7 1.3 0.5

Manually Put into Sleep Mode........................... 4.2 3.4 0.3 0.2 0.3 Q

CPU Goes to Sleep When PC is Left On

Yes................................................................ 2.2 1.8 Q Q Q Q

No.................................................................. 1.0 0.7 Q Q Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 11.6 9.5 0.4 0.5 0.6 0.5

Flat-Panel LCD.............................................. 4.2 3.4 0.4 Q 0.3 Q

Laptop (Flat-panel LCD).................................... 9.0 7.0 0.6 0.4 0.9 Q

Monitor Goes to Sleep When Not in Use

Screen-Saver.................................................... 1.7 1.3 Q Q Q Q

Automatic Sleep Mode...................................... 1.0 0.9 Q Q Q Q

Monitor is Turned Off......................................... 0.5 0.4 Q Q Q N

Use of Internet

Have Access to Internet

Yes.................................................................... 66.9 48.8 4.2 3.3 8.0 2.6

Dial-up (phone).............................................. 26.8 19.9 1.4 1.1 2.6 1.8

DSL............................................................... 19.1 13.6 1.4 0.9 2.8 0.4

Cable Modem................................................ 20.8 15.2 1.4 1.3 2.5 0.4

No..................................................................... 8.7 5.4 0.3 0.8 1.4 0.7

Status of DSL Connection When Not in Use

Turned Off..................................................... 5.0 3.1 0.6 0.2 1.0 Q

Left On.......................................................... 14.2 10.5 0.8 0.7 1.9 0.3

Status of Cable Modem When Not in Use

Turned Off..................................................... 4.1 2.9 0.3 0.3 0.5 Q

Left On.......................................................... 16.7 12.2 1.1 1.0 2.0 0.4

Have a Wireless Router

Yes................................................................ 2.4 1.5 Q 0.2 0.4 Q

No.................................................................. 12.7 9.8 1.1 0.6 1.0 Q

No DSL or Modem Connection...................... 27.0 20.1 1.3 1.1 2.7 1.8

Primary Use of PC(s) 

Personal Use........................................................ 39.8 28.9 2.1 2.0 4.9 1.8

Recreation............................................................ 14.4 10.0 1.2 0.8 1.8 0.6

Education/School.................................................. 10.3 6.7 0.5 0.7 1.8 0.6

Home Business.................................................... 7.6 6.0 0.4 0.3 0.6 0.3

Telecommuting..................................................... 3.5 2.6 0.2 Q 0.3 Q

Telecommuting by Personal Computer

1 or 2 Days per Week........................................... 0.8 0.6 Q N Q Q

3 to 5 Days per Week........................................... 1.3 1.0 Q Q Q Q

More than 5 Days per Week................................. 1.4 1.0 Q Q Q Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Table HC2.12 Home Electronics Usage Indicators by Type of Housing Unit, 2005

5 or More 

Units

Mobile 

Homes

Type of Housing Unit

Housing 

Units 

(millions)

Single-Family Units Apartments in Buildings 

With--

Home Electonics Usage Indicators Detached Attached 2 to 4 Units

PC Printer................................................................ 65.4 48.9 3.9 3.0 7.1 2.6

With Built-in Fax/Copier........................................ 27.7 21.3 1.7 1.0 2.7 0.9

Without Built-in Fax/Copier................................... 37.8 27.6 2.1 2.0 4.4 1.7

Use a Color Television Set........................................ 109.7 71.5 7.5 7.6 16.3 6.8

Weekday Hours Turned on per Day

Less than 1 Hour.................................................. 6.2 3.7 0.5 0.6 1.2 0.3

1 to 3 Hours.......................................................... 49.1 32.5 3.7 3.5 6.9 2.6

Most of the Day..................................................... 46.0 30.4 2.6 2.8 6.8 3.3

On All the Time..................................................... 8.4 5.0 0.7 0.7 1.4 0.7

No Television........................................................ 1.4 0.5 Q Q 0.5 Q

Weekend Hours Turned on per Day

Less than 1 Hour.................................................. 7.3 4.3 0.4 0.7 1.4 0.5

1 to 3 Hours.......................................................... 35.9 23.6 3.1 2.4 5.0 1.7

Most of the Day..................................................... 56.4 37.5 3.1 3.8 8.2 3.9

On All the Time..................................................... 10.1 6.2 0.8 0.7 1.7 0.7

No Television........................................................ 1.4 0.5 Q Q 0.5 Q

TV-Based Game System Usage per Week

Use a TV-Based Game System............................ 34.7 23.5 2.2 2.3 4.3 2.4

Less than 5 Hours............................................. 19.9 13.3 1.3 1.3 2.5 1.4

5 to 10 Hours.................................................... 8.9 6.2 0.5 0.6 1.0 0.6

11 to 15 hours................................................... 2.4 1.8 Q Q Q Q

16 to 20 Hours................................................... 1.5 0.7 Q Q 0.3 Q

More than 20 Hours........................................... 2.1 1.4 Q Q 0.2 Q

Do Not Use a TV-Based Game System................ 75.0 48.0 5.2 5.3 12.1 4.4

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were 

sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Total............................................................................ 111.1 78.1 64.1 4.2 1.8 2.3 5.7

Personal Computers

Do Not Use a Personal Computer......................... 35.5 20.3 14.8 1.2 0.6 0.9 2.8

Use a Personal Computer...................................... 75.6 57.8 49.2 2.9 1.2 1.4 3.0

Most-Used Personal Computer

Type of PC

Desk-top Model................................................. 58.6 45.8 38.9 2.2 1.0 1.1 2.6

Laptop Model.................................................... 16.9 12.0 10.3 0.8 0.2 Q 0.4

Hours Turned on Per Week

Less than 2 Hours............................................. 13.6 10.3 8.5 0.7 Q Q 0.9

2 to 15 Hours.................................................... 29.1 22.5 18.7 1.2 0.5 0.9 1.1

16 to 40 Hours................................................... 13.5 10.2 8.9 0.6 0.3 Q 0.4

41 to 167 Hours................................................. 6.3 4.9 4.5 QQQQ

On All the Time................................................. 13.0 9.9 8.7 0.5 Q Q 0.5

Status of PC When Not Being Used

Left On.............................................................. 12.5 9.8 8.7 0.4 Q Q 0.4

Completely Turned Off...................................... 43.6 32.9 27.5 1.6 0.8 0.9 2.0

Manually Put into Sleep Mode........................... 19.4 15.2 13.1 0.9 0.3 0.4 0.6

CPU Goes to Sleep When PC is Left On

Yes................................................................ 9.1 7.3 6.6 0.3 Q Q 0.2

No.................................................................. 3.4 2.5 2.0 QQQQ

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 45.0 34.9 29.5 1.6 0.8 0.8 2.1

Flat-Panel LCD.............................................. 13.6 10.9 9.4 0.5 Q Q 0.5

Laptop (Flat-panel LCD).................................... 16.9 12.0 10.3 0.8 0.2 Q 0.4

Status of Monitor When Not in Use

Screen-Saver.................................................... 6.1 4.7 4.2 Q Q Q 0.2

Automatic Sleep Mode...................................... 4.4 3.4 3.1 Q Q N Q

Monitor is Turned Off......................................... 2.0 1.6 1.3 QQQQ

Second Most-Used Personal Computer

Use a Second Personal Computer........................ 25.3 20.8 18.8 0.7 0.5 0.3 0.6

Type of PC

Desk-top Model................................................. 15.8 13.1 11.9 0.3 0.3 Q 0.4

Lap-top Model................................................... 9.4 7.7 6.9 0.4 Q Q Q

Hours Turned on Per Week

Less than 2 Hours............................................. 8.2 6.8 5.9 0.3 Q Q 0.4

2 to 15 Hours.................................................... 9.9 8.1 7.4 0.2 Q Q Q

16 to 40 Hours................................................... 3.2 2.7 2.4 QQQQ

41 to 167 Hours................................................. 1.2 1.0 1.0 Q N Q N

On All the Time................................................. 2.8 2.2 2.0 Q Q N Q

Mobile 

Homes

Table HC3.12 Home Electronics Usage Indicators by Owner-Occupied Housing Unit, 2005

 OwnerOccupied 

Housing 

Units 

(millions)

Type of Owner-Occupied Housing Unit

U.S.

Housing 

Units 

(millions

Single-Family Units Apartments in 

Buildings With--

Home Electronics Usage Indicators Detached Attached 2 to 4 

Units

5 or More 

Units

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Mobile 

Homes

Table HC3.12 Home Electronics Usage Indicators by Owner-Occupied Housing Unit, 2005

 OwnerOccupied 

Housing 

Units 

(millions)

Type of Owner-Occupied Housing Unit

U.S.

Housing 

Units 

(millions

Single-Family Units Apartments in 

Buildings With--

Home Electronics Usage Indicators Detached Attached 2 to 4 

Units

5 or More 

Units

Status of PC When Not in Use

Left On.............................................................. 3.2 2.5 2.4 Q Q N Q

Completely Turned Off...................................... 17.8 14.7 13.2 0.5 0.3 Q 0.5

Manually Put into Sleep Mode........................... 4.2 3.6 3.2 QQQQ

CPU Goes to Sleep When PC is Left On

Yes................................................................ 2.2 1.7 1.6 Q N N Q

No.................................................................. 1.0 0.8 0.7 Q Q N Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 11.6 9.6 8.7 Q Q Q 0.4

Flat-Panel LCD.............................................. 4.2 3.5 3.2 QQQQ

Laptop (Flat-panel LCD).................................... 9.0 7.3 6.5 0.4 Q Q Q

Monitor Goes to Sleep When Not in Use

Screen-Saver.................................................... 1.7 1.3 1.2 Q Q N Q

Automatic Sleep Mode...................................... 1.0 0.9 0.8 Q Q N Q

Monitor is Turned Off......................................... 0.5 0.3 0.3 NNNN

Use of Internet

Have Access to Internet

Yes.................................................................... 66.9 52.6 44.8 2.8 1.2 1.4 2.5

Dial-up (phone).............................................. 26.8 22.0 18.3 1.0 0.4 0.4 1.8

DSL............................................................... 19.1 14.6 12.4 1.0 0.3 0.6 0.3

Cable Modem................................................ 20.8 15.9 14.0 0.8 0.4 0.3 0.4

No..................................................................... 8.7 5.2 4.4 Q Q Q 0.5

Status of DSL Connection When Not in Use

Turned Off..................................................... 5.0 3.6 2.9 0.5 Q Q Q

Left On.......................................................... 14.2 11.0 9.5 0.5 Q 0.4 0.3

Status of Cable Modem When Not in Use

Turned Off..................................................... 4.1 3.3 2.8 QQQQ

Left On.......................................................... 16.7 12.6 11.1 0.6 Q 0.3 0.3

Have a Wireless Router

Yes................................................................ 2.4 1.7 1.4 Q Q Q N

No.................................................................. 12.7 10.3 9.3 0.6 Q Q Q

No DSL or Modem Connection...................... 27.0 22.2 18.5 1.0 0.4 0.4 1.8

Primary Use of PC(s) 

Personal Use........................................................ 39.8 31.6 26.7 1.6 0.8 0.9 1.6

Recreation............................................................ 14.4 10.5 8.9 0.7 Q 0.3 0.6

Education/School.................................................. 10.3 6.7 5.8 0.2 Q N 0.5

Home Business.................................................... 7.6 6.3 5.5 Q Q Q 0.3

Telecommuting..................................................... 3.5 2.8 2.4 QQQQ

Telecommuting by Personal Computer

1 or 2 Days per Week........................................... 0.8 0.7 0.6 N N Q Q

3 to 5 Days per Week........................................... 1.3 1.0 0.8 QQQQ

More than 5 Days per Week................................. 1.4 1.1 0.9 Q N Q Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Mobile 

Homes

Table HC3.12 Home Electronics Usage Indicators by Owner-Occupied Housing Unit, 2005

 OwnerOccupied 

Housing 

Units 

(millions)

Type of Owner-Occupied Housing Unit

U.S.

Housing 

Units 

(millions

Single-Family Units Apartments in 

Buildings With--

Home Electronics Usage Indicators Detached Attached 2 to 4 

Units

5 or More 

Units

PC Printer................................................................ 65.4 52.2 45.1 2.6 1.1 1.2 2.3

With Built-in Fax/Copier........................................ 27.7 22.3 19.5 1.2 0.4 0.5 0.8

Without Built-in Fax/Copier................................... 37.8 29.8 25.6 1.4 0.7 0.7 1.5

Use a Color Television Set........................................ 109.7 77.5 63.7 4.1 1.8 2.3 5.7

Weekday Hours Turned on per Day

Less than 1 Hour.................................................. 6.2 4.1 3.1 0.4 Q Q 0.2

1 to 3 Hours.......................................................... 49.1 35.8 29.7 2.1 0.9 1.0 2.1

Most of the Day..................................................... 46.0 32.6 26.9 1.4 0.6 1.0 2.8

On All the Time..................................................... 8.4 4.9 3.9 Q Q Q 0.6

No Television........................................................ 1.4 0.6 0.4 Q Q N Q

Weekend Hours Turned on per Day

Less than 1 Hour.................................................. 7.3 4.7 3.6 0.3 Q Q 0.4

1 to 3 Hours.......................................................... 35.9 26.3 21.4 2.0 0.6 0.8 1.5

Most of the Day..................................................... 56.4 40.5 33.7 1.6 1.0 1.0 3.2

On All the Time..................................................... 10.1 6.1 5.0 0.2 Q Q 0.6

No Television........................................................ 1.4 0.6 0.4 Q Q N Q

TV-Based Game System Usage per Week

Use a TV-Based Game System............................ 34.7 23.7 19.9 1.0 0.4 0.4 2.0

Less than 5 Hours............................................. 19.9 13.7 11.3 0.6 0.3 0.3 1.1

5 to 10 Hours.................................................... 8.9 6.4 5.5 Q Q Q 0.6

11 to 15 hours................................................... 2.4 1.8 1.6 Q Q N Q

16 to 20 Hours................................................... 1.5 0.7 0.5 Q Q N Q

More than 20 Hours........................................... 2.1 1.1 1.0 Q N Q Q

Do Not Use a TV-Based Game System................ 75.0 53.8 43.8 3.1 1.4 1.9 3.7

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Total............................................................................ 111.1 33.0 8.0 3.4 5.9 14.4 1.2

Personal Computers

Do Not Use a Personal Computer......................... 35.5 15.3 3.0 1.9 3.1 6.4 0.8

Use a Personal Computer...................................... 75.6 17.7 5.0 1.6 2.8 8.0 0.4

Most-Used Personal Computer

Type of PC

Desk-top Model................................................. 58.6 12.8 4.0 1.1 2.0 5.4 0.3

Laptop Model.................................................... 16.9 4.9 1.0 0.4 0.8 2.6 Q

Hours Turned on Per Week

Less than 2 Hours............................................. 13.6 3.3 0.8 0.3 0.7 1.3 Q

2 to 15 Hours.................................................... 29.1 6.6 1.9 0.6 0.9 3.1 Q

16 to 40 Hours................................................... 13.5 3.3 1.2 0.2 0.6 1.3 Q

41 to 167 Hours................................................. 6.3 1.4 0.3 Q Q 0.8 N

On All the Time................................................. 13.0 3.1 0.8 0.3 0.6 1.4 Q

Status of PC When Not Being Used

Left On.............................................................. 12.5 2.7 0.7 0.4 0.4 1.2 Q

Completely Turned Off...................................... 43.6 10.8 3.1 0.8 1.6 5.0 0.3

Manually Put into Sleep Mode........................... 19.4 4.2 1.2 0.4 0.8 1.8 Q

CPU Goes to Sleep When PC is Left On

Yes................................................................ 9.1 1.8 0.5 0.3 0.2 0.8 Q

No.................................................................. 3.4 0.9 Q Q Q 0.4 N

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 45.0 10.1 3.1 0.9 1.6 4.3 0.3

Flat-Panel LCD.............................................. 13.6 2.8 0.9 0.3 0.4 1.2 Q

Laptop (Flat-panel LCD).................................... 16.9 4.9 1.0 0.4 0.8 2.6 Q

Status of Monitor When Not in Use

Screen-Saver.................................................... 6.1 1.4 0.4 Q 0.3 0.5 N

Automatic Sleep Mode...................................... 4.4 0.9 0.2 Q Q 0.4 N

Monitor is Turned Off......................................... 2.0 0.4 Q Q Q 0.3 Q

Second Most-Used Personal Computer

Use a Second Personal Computer........................ 25.3 4.4 1.6 0.7 0.6 1.5 Q

Type of PC

Desk-top Model................................................. 15.8 2.7 1.1 0.4 0.3 0.9 Q

Lap-top Model................................................... 9.4 1.7 0.5 Q 0.3 0.7 Q

Hours Turned on Per Week

Less than 2 Hours............................................. 8.2 1.4 0.5 Q 0.2 0.4 Q

2 to 15 Hours.................................................... 9.9 1.8 0.6 0.3 Q 0.6 Q

16 to 40 Hours................................................... 3.2 0.5 QQQQN

41 to 167 Hours................................................. 1.2 Q Q N Q Q N

On All the Time................................................. 2.8 0.6 QQQQN

2 to 4 

Units

5 or More 

Units

Mobile 

Homes

Table HC4.12 Home Electronics Usage Indicators by Renter-Occupied Housing Unit, 2005

 RenterOccupied 

Housing 

Units 

(millions)

Type of Renter-Occupied Housing Unit

U.S.

Housing 

Units 

(millions

Single-Family Units Apartments in 

Buildings With--

Home Electronics Usage Indicators Detached Attached

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

2 to 4 

Units

5 or More 

Units

Mobile 

Homes

Table HC4.12 Home Electronics Usage Indicators by Renter-Occupied Housing Unit, 2005

 RenterOccupied 

Housing 

Units 

(millions)

Type of Renter-Occupied Housing Unit

U.S.

Housing 

Units 

(millions

Single-Family Units Apartments in 

Buildings With--

Home Electronics Usage Indicators Detached Attached

Status of PC When Not in Use

Left On.............................................................. 3.2 0.7 Q Q Q 0.2 N

Completely Turned Off...................................... 17.8 3.1 1.2 0.4 0.4 1.1 Q

Manually Put into Sleep Mode........................... 4.2 0.7 Q Q Q 0.3 N

CPU Goes to Sleep When PC is Left On

Yes................................................................ 2.2 0.5 QQQQN

No.................................................................. 1.0 QQQQQN

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 11.6 1.9 0.8 0.2 Q 0.6 Q

Flat-Panel LCD.............................................. 4.2 0.8 0.2 Q Q 0.3 N

Laptop (Flat-panel LCD).................................... 9.0 1.7 0.5 Q 0.3 0.6 Q

Monitor Goes to Sleep When Not in Use

Screen-Saver.................................................... 1.7 0.4 QQQQN

Automatic Sleep Mode...................................... 1.0 QQQQQN

Monitor is Turned Off......................................... 0.5 QQQQQN

Use of Internet

Have Access to Internet

Yes.................................................................... 66.9 14.2 4.0 1.3 2.1 6.6 Q

Dial-up (phone).............................................. 26.8 4.9 1.6 0.3 0.7 2.2 Q

DSL............................................................... 19.1 4.5 1.2 0.4 0.6 2.2 Q

Cable Modem................................................ 20.8 4.9 1.2 0.6 0.8 2.2 Q

No..................................................................... 8.7 3.5 1.0 0.2 0.7 1.4 0.2

Status of DSL Connection When Not in Use

Turned Off..................................................... 5.0 1.3 0.3 Q Q 0.8 N

Left On.......................................................... 14.2 3.2 0.9 0.3 0.5 1.5 Q

Status of Cable Modem When Not in Use

Turned Off..................................................... 4.1 0.7 Q Q Q 0.4 N

Left On.......................................................... 16.7 4.1 1.1 0.5 0.8 1.7 Q

Have a Wireless Router

Yes................................................................ 2.4 0.7 Q Q Q 0.4 Q

No.................................................................. 12.7 2.4 0.6 0.5 0.5 0.9 Q

No DSL or Modem Connection...................... 27.0 4.9 1.5 0.3 0.7 2.2 Q

Primary Use of PC(s) 

Personal Use........................................................ 39.8 8.2 2.2 0.5 1.2 4.1 Q

Recreation............................................................ 14.4 3.9 1.2 0.6 0.7 1.4 Q

Education/School.................................................. 10.3 3.6 0.9 0.3 0.5 1.8 Q

Home Business.................................................... 7.6 1.3 0.5 Q Q 0.5 Q

Telecommuting..................................................... 3.5 0.7 QQQQQ

Telecommuting by Personal Computer

1 or 2 Days per Week........................................... 0.8 Q N Q N N N

3 to 5 Days per Week........................................... 1.3 0.3 Q N Q Q N

More than 5 Days per Week................................. 1.4 0.3 Q N Q Q Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

2 to 4 

Units

5 or More 

Units

Mobile 

Homes

Table HC4.12 Home Electronics Usage Indicators by Renter-Occupied Housing Unit, 2005

 RenterOccupied 

Housing 

Units 

(millions)

Type of Renter-Occupied Housing Unit

U.S.

Housing 

Units 

(millions

Single-Family Units Apartments in 

Buildings With--

Home Electronics Usage Indicators Detached Attached

PC Printer................................................................ 65.4 13.3 3.8 1.3 1.9 6.0 0.3

With Built-in Fax/Copier........................................ 27.7 5.3 1.8 0.5 0.6 2.3 Q

Without Built-in Fax/Copier................................... 37.8 7.9 2.0 0.7 1.4 3.7 Q

Use a Color Television Set........................................ 109.7 32.2 7.8 3.4 5.8 14.0 1.1

Weekday Hours Turned on per Day

Less than 1 Hour.................................................. 6.2 2.1 0.5 Q 0.4 1.0 Q

1 to 3 Hours.......................................................... 49.1 13.3 2.8 1.5 2.6 5.9 0.5

Most of the Day..................................................... 46.0 13.3 3.4 1.3 2.3 5.9 0.5

On All the Time..................................................... 8.4 3.5 1.1 0.5 0.6 1.2 Q

No Television........................................................ 1.4 0.8 Q Q Q 0.5 Q

Weekend Hours Turned on per Day

Less than 1 Hour.................................................. 7.3 2.6 0.6 Q 0.6 1.2 Q

1 to 3 Hours.......................................................... 35.9 9.6 2.2 1.2 1.8 4.1 0.3

Most of the Day..................................................... 56.4 16.0 3.8 1.5 2.9 7.2 0.7

On All the Time..................................................... 10.1 4.0 1.2 0.6 0.6 1.5 Q

No Television........................................................ 1.4 0.8 Q Q Q 0.5 Q

TV-Based Game System Usage per Week

Use a TV-Based Game System............................ 34.7 11.0 3.6 1.3 2.0 3.8 0.4

Less than 5 Hours............................................. 19.9 6.2 2.0 0.7 1.0 2.2 0.3

5 to 10 Hours.................................................... 8.9 2.5 0.7 0.3 0.5 0.9 Q

11 to 15 hours................................................... 2.4 0.6 0.2 QQQQ

16 to 20 Hours................................................... 1.5 0.8 Q Q Q 0.3 Q

More than 20 Hours........................................... 2.1 0.9 0.4 Q Q 0.2 Q

Do Not Use a TV-Based Game System................ 75.0 21.1 4.3 2.1 3.9 10.2 0.7

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Total...................................................................... 111.1 14.7 7.4 12.5 12.5 18.9 18.6 17.3 9.2

Personal Computers

Do Not Use a Personal Computer.................... 35.5 5.7 3.3 4.6 4.7 5.8 5.7 4.0 1.7

Use a Personal Computer................................ 75.6 9.0 4.1 7.9 7.8 13.1 12.9 13.3 7.5

Most-Used Personal Computer

Type of PC

Desk-top Model........................................... 58.6 6.7 3.5 6.3 6.2 10.3 9.9 10.2 5.6

Laptop Model............................................... 16.9 2.3 0.7 1.7 1.5 2.8 2.9 3.1 1.9

Hours Turned on Per Week

Less than 2 Hours....................................... 13.6 1.6 0.6 1.8 1.8 2.5 2.0 2.2 1.1

2 to 15 Hours............................................... 29.1 3.0 1.6 3.3 3.0 5.6 5.0 5.0 2.7

16 to 40 Hours............................................. 13.5 1.9 0.9 1.4 1.4 1.9 2.2 2.2 1.5

41 to 167 Hours........................................... 6.3 1.0 0.4 0.6 0.5 1.0 0.9 1.4 0.5

On All the Time........................................... 13.0 1.5 0.6 0.8 1.1 2.1 2.7 2.6 1.6

Status of PC When Not Being Used

Left On........................................................ 12.5 1.4 0.6 1.0 1.1 2.4 2.3 2.5 1.2

Completely Turned Off................................ 43.6 5.0 2.5 5.1 4.9 7.9 7.1 7.2 4.0

Manually Put into Sleep Mode..................... 19.4 2.6 1.0 1.8 1.8 2.7 3.5 3.7 2.3

CPU Goes to Sleep When PC is Left On

Yes.......................................................... 9.1 1.0 0.3 0.8 0.8 1.9 1.5 1.9 0.9

No............................................................ 3.4 0.4 Q 0.3 0.2 0.5 0.8 0.6 0.3

Type of Monitor Used

Desk-top

CRT (Standard Monitor)........................... 45.0 5.3 2.8 4.9 5.1 7.8 7.7 7.5 3.9

Flat-Panel LCD........................................ 13.6 1.4 0.7 1.4 1.2 2.4 2.3 2.7 1.6

Laptop (Flat-panel LCD).............................. 16.9 2.3 0.7 1.7 1.5 2.8 2.9 3.1 1.9

Status of Monitor When Not in Use

Screen-Saver.............................................. 6.1 0.8 0.2 0.4 0.6 1.3 1.0 1.2 0.6

Automatic Sleep Mode................................ 4.4 0.4 Q 0.3 0.3 0.8 1.0 1.0 0.4

Monitor is Turned Off................................... 2.0 0.3 Q Q Q 0.3 0.4 0.3 Q

Second Most-Used Personal Computer

Use a Second Personal Computer.................. 25.3 3.2 1.3 1.9 2.6 3.8 4.2 5.6 2.7

Type of PC

Desk-top Model........................................... 15.8 2.2 0.8 1.2 1.7 2.2 2.6 3.5 1.6

Lap-top Model............................................. 9.4 1.1 0.5 0.7 0.9 1.6 1.6 2.0 1.1

Hours Turned on Per Week

Less than 2 Hours....................................... 8.2 1.1 0.3 0.7 0.8 1.5 1.3 1.5 1.0

2 to 15 Hours............................................... 9.9 1.2 0.6 0.8 1.1 1.3 1.7 2.2 0.9

16 to 40 Hours............................................. 3.2 0.4 Q Q Q 0.6 0.5 0.8 0.4

41 to 167 Hours........................................... 1.2 0.2 Q N Q Q Q 0.3 Q

On All the Time........................................... 2.8 0.3 Q Q 0.5 Q 0.6 0.8 0.3

2000 to 

2005

Table HC5.12 Home Electronics Usage Indicators by Year of Construction, 2005

Home Electronics Usage Indicators

Year of Construction

Housing 

Units 

(millions)

Before 

1940

1940 to 

1949

1950 to 

1959

1960 to 

1969

1970 to 

1979

1980 to 

1989

1990 to 

1999

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

2000 to 

2005

Table HC5.12 Home Electronics Usage Indicators by Year of Construction, 2005

Home Electronics Usage Indicators

Year of Construction

Housing 

Units 

(millions)

Before 

1940

1940 to 

1949

1950 to 

1959

1960 to 

1969

1970 to 

1979

1980 to 

1989

1990 to 

1999

Status of PC When Not in Use

Left On........................................................ 3.2 0.4 Q Q 0.4 0.4 0.5 0.9 Q

Completely Turned Off................................ 17.8 2.3 1.0 1.4 1.8 3.1 3.0 3.5 1.8

Manually Put into Sleep Mode..................... 4.2 0.6 Q 0.2 0.4 0.3 0.7 1.1 0.7

CPU Goes to Sleep When PC is Left On

Yes.......................................................... 2.2 0.3 Q Q 0.4 Q 0.4 0.5 Q

No............................................................ 1.0 Q N Q Q Q Q 0.4 Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)........................... 11.6 1.7 0.7 1.0 1.1 1.7 1.8 2.5 1.1

Flat-Panel LCD........................................ 4.2 0.5 Q Q 0.6 0.5 0.7 1.0 0.5

Laptop (Flat-panel LCD).............................. 9.0 1.0 0.4 0.7 0.9 1.6 1.5 2.0 0.9

Monitor Goes to Sleep When Not in Use

Screen-Saver.............................................. 1.7 0.3 Q Q Q Q 0.2 0.4 Q

Automatic Sleep Mode................................ 1.0 Q Q Q Q Q Q 0.4 Q

Monitor is Turned Off................................... 0.5 QQQQQQQQ

Use of Internet

Have Access to Internet

Yes.............................................................. 66.9 8.0 3.8 6.8 6.5 11.3 11.3 12.3 6.9

Dial-up (phone)........................................ 26.8 3.1 1.2 2.7 3.2 5.0 4.3 4.8 2.4

DSL......................................................... 19.1 2.4 1.3 1.7 1.5 3.0 3.4 3.6 2.3

Cable Modem.......................................... 20.8 2.5 1.2 2.4 1.8 3.3 3.6 3.8 2.2

No............................................................... 8.7 1.0 0.4 1.1 1.2 1.8 1.5 1.1 0.6

Status of DSL Connection When Not in Use

Turned Off............................................... 5.0 0.4 0.3 0.6 0.5 1.0 0.8 0.7 0.7

Left On..................................................... 14.2 2.0 1.0 1.1 1.1 2.0 2.6 2.9 1.6

Status of Cable Modem When Not in Use

Turned Off............................................... 4.1 0.4 Q 0.6 0.6 0.8 0.5 0.6 0.4

Left On..................................................... 16.7 2.1 1.0 1.8 1.2 2.4 3.1 3.3 1.8

Have a Wireless Router

Yes.......................................................... 2.4 0.2 Q 0.3 0.3 0.4 0.3 0.4 0.3

No............................................................ 12.7 1.6 0.7 0.7 0.9 1.7 2.3 3.1 1.6

No DSL or Modem Connection................ 27.0 3.1 1.3 2.7 3.2 5.1 4.4 4.8 2.4

Primary Use of PC(s) 

Personal Use.................................................. 39.8 4.5 2.0 4.7 3.7 7.1 6.7 6.8 4.3

Recreation...................................................... 14.4 1.7 0.9 1.5 1.7 2.5 2.8 2.4 0.9

Education/School............................................ 10.3 1.2 0.6 1.2 1.2 1.8 1.9 1.7 0.8

Home Business............................................... 7.6 1.1 0.4 0.3 0.8 1.1 1.1 1.6 1.1

Telecommuting............................................... 3.5 0.5 Q 0.3 0.4 0.6 0.5 0.8 0.3

Telecommuting by Personal Computer

1 or 2 Days per Week..................................... 0.8 QQQQQQQQ

3 to 5 Days per Week..................................... 1.3 Q Q Q Q Q Q 0.3 Q

More than 5 Days per Week........................... 1.4 Q Q Q Q 0.3 0.3 0.4 Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

2000 to 

2005

Table HC5.12 Home Electronics Usage Indicators by Year of Construction, 2005

Home Electronics Usage Indicators

Year of Construction

Housing 

Units 

(millions)

Before 

1940

1940 to 

1949

1950 to 

1959

1960 to 

1969

1970 to 

1979

1980 to 

1989

1990 to 

1999

PC Printer.......................................................... 65.4 7.2 3.5 7.0 6.3 11.4 11.2 12.0 6.8

With Built-in Fax/Copier.................................. 27.7 2.7 1.5 2.5 2.4 4.6 4.9 5.5 3.7

Without Built-in Fax/Copier............................. 37.8 4.5 2.1 4.5 3.9 6.8 6.3 6.6 3.1

Use a Color Television Set.................................. 109.7 14.1 7.3 12.4 12.4 18.7 18.4 17.2 9.1

Weekday Hours Turned on per Day

Less than 1 Hour............................................. 6.2 1.3 0.5 0.8 0.8 0.8 0.6 0.9 0.5

1 to 3 Hours.................................................... 49.1 6.3 3.2 5.7 5.4 8.0 8.7 7.8 4.0

Most of the Day............................................... 46.0 5.6 2.9 5.0 5.1 8.5 7.5 7.3 4.0

On All the Time............................................... 8.4 1.0 0.6 0.9 1.1 1.4 1.5 1.2 0.7

No Television.................................................. 1.4 0.5 QQQQQQQ

Weekend Hours Turned on per Day

Less than 1 Hour............................................. 7.3 1.4 0.5 1.0 0.9 1.1 1.0 0.9 0.5

1 to 3 Hours.................................................... 35.9 4.9 2.6 3.9 3.6 5.9 6.1 5.9 3.1

Most of the Day............................................... 56.4 6.9 3.3 6.6 6.8 10.0 9.4 8.8 4.7

On All the Time............................................... 10.1 1.0 0.9 1.0 1.1 1.8 1.8 1.6 0.8

No Television.................................................. 1.4 0.5 QQQQQQQ

TV-Based Game System Usage per Week

Use a TV-Based Game System...................... 34.7 4.2 1.8 3.1 4.2 5.7 5.8 6.4 3.5

Less than 5 Hours....................................... 19.9 2.3 1.0 1.8 2.3 3.2 3.3 3.7 2.1

5 to 10 Hours............................................... 8.9 1.1 0.5 0.8 1.0 1.8 1.4 1.5 0.9

11 to 15 hours............................................. 2.4 0.3 Q 0.3 0.2 0.3 0.6 0.5 Q

16 to 20 Hours............................................. 1.5 0.2 Q Q Q Q Q 0.3 Q

More than 20 Hours..................................... 2.1 0.3 Q 0.2 0.4 0.2 0.3 0.4 Q

Do Not Use a TV-Based Game System.......... 75.0 10.0 5.5 9.3 8.2 13.0 12.5 10.9 5.6

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC6.12 Home Electronics Usage Indicators by Number of Household Members, 2005

Total................................................................................ 111.1 30.0 34.8 18.4 15.9 12.0

Personal Computers

Do Not Use a Personal Computer............................. 35.5 16.3 9.4 4.0 2.7 3.2

Use a Personal Computer.......................................... 75.6 13.8 25.4 14.4 13.2 8.8

Most-Used Personal Computer

Type of PC

Desk-top Model..................................................... 58.6 10.0 20.0 11.2 10.1 7.3

Laptop Model........................................................ 16.9 3.7 5.4 3.2 3.1 1.5

Hours Turned on Per Week

Less than 2 Hours................................................. 13.6 4.0 4.7 1.7 1.8 1.4

2 to 15 Hours........................................................ 29.1 4.6 10.2 5.6 5.3 3.4

16 to 40 Hours...................................................... 13.5 2.1 4.4 2.7 2.6 1.7

41 to 167 Hours.................................................... 6.3 0.9 2.1 1.4 1.0 0.8

On All the Time..................................................... 13.0 2.1 4.1 2.9 2.4 1.5

Status of PC When Not Being Used

Left On.................................................................. 12.5 1.8 4.2 2.5 2.4 1.7

Completely Turned Off.......................................... 43.6 8.9 14.4 8.1 6.9 5.3

Manually Put into Sleep Mode............................... 19.4 3.1 6.9 3.8 3.9 1.8

CPU Goes to Sleep When PC is Left On

Yes.................................................................... 9.1 1.1 3.1 2.0 1.8 1.1

No..................................................................... 3.4 0.6 1.0 0.5 0.6 0.6

Type of Monitor Used

Desk-top

CRT (Standard Monitor).................................... 45.0 7.8 15.2 8.6 7.8 5.6

Flat-Panel LCD.................................................. 13.6 2.2 4.8 2.7 2.3 1.6

Laptop (Flat-panel LCD)........................................ 16.9 3.7 5.4 3.2 3.1 1.5

Status of Monitor When Not in Use

Screen-Saver........................................................ 6.1 0.8 2.0 1.3 1.3 0.8

Automatic Sleep Mode.......................................... 4.4 0.6 1.5 0.8 0.8 0.5

Monitor is Turned Off............................................ 2.0 0.3 0.7 0.3 0.3 0.4

Second Most-Used Personal Computer

Use a Second Personal Computer............................ 25.3 1.8 7.9 5.9 5.9 3.6

Type of PC

Desk-top Model..................................................... 15.8 0.9 4.5 4.0 3.9 2.5

Lap-top Model....................................................... 9.4 0.9 3.4 1.9 2.1 1.1

Hours Turned on Per Week

Less than 2 Hours................................................. 8.2 0.9 2.9 1.7 1.6 1.1

2 to 15 Hours........................................................ 9.9 0.7 2.8 2.4 2.5 1.4

16 to 40 Hours...................................................... 3.2 Q 1.0 1.0 0.8 0.4

41 to 167 Hours.................................................... 1.2 Q 0.5 0.3 0.3 Q

On All the Time..................................................... 2.8 Q 0.8 0.6 0.7 0.6

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Members

 Million U.S. Housing Units

Home Electronics Usage Indicators

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC6.12 Home Electronics Usage Indicators by Number of Household Members, 2005

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Members

 Million U.S. Housing Units

Home Electronics Usage Indicators

Status of PC When Not in Use

Left On.................................................................. 3.2 Q 0.9 0.9 0.8 0.6

Completely Turned Off.......................................... 17.8 1.6 5.7 4.0 4.1 2.4

Manually Put into Sleep Mode............................... 4.2 Q 1.3 1.0 1.1 0.6

CPU Goes to Sleep When PC is Left On

Yes.................................................................... 2.2 N 0.6 0.6 0.5 0.4

No..................................................................... 1.0 Q 0.2 0.3 Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor).................................... 11.6 0.7 3.2 2.9 2.8 2.1

Flat-Panel LCD.................................................. 4.2 Q 1.4 1.1 1.1 0.4

Laptop (Flat-panel LCD)........................................ 9.0 0.9 3.2 1.8 2.0 1.1

Monitor Goes to Sleep When Not in Use

Screen-Saver........................................................ 1.7 Q 0.5 0.4 0.4 0.3

Automatic Sleep Mode.......................................... 1.0 Q 0.3 0.4 Q Q

Monitor is Turned Off............................................ 0.5 N QQQQ

Use of Internet

Have Access to Internet

Yes....................................................................... 66.9 11.4 22.8 13.1 12.2 7.4

Dial-up (phone).................................................. 26.8 4.9 10.1 4.6 4.5 2.7

DSL................................................................... 19.1 3.0 5.7 4.1 4.1 2.3

Cable Modem.................................................... 20.8 3.5 7.0 4.3 3.7 2.3

No......................................................................... 8.7 2.4 2.6 1.3 1.0 1.4

Status of DSL Connection When Not in Use

Turned Off......................................................... 5.0 1.0 1.5 1.1 0.7 0.7

Left On.............................................................. 14.2 2.0 4.2 3.0 3.3 1.6

Status of Cable Modem When Not in Use

Turned Off......................................................... 4.1 0.7 1.6 0.8 0.6 0.3

Left On.............................................................. 16.7 2.7 5.4 3.5 3.1 2.0

Have a Wireless Router

Yes.................................................................... 2.4 0.5 0.8 0.4 0.4 0.3

No..................................................................... 12.7 1.8 3.4 3.0 3.1 1.4

No DSL or Modem Connection.......................... 27.0 5.0 10.2 4.8 4.4 2.8

Primary Use of PC(s) 

Personal Use............................................................ 39.8 7.8 14.2 7.6 6.3 4.0

Recreation................................................................ 14.4 2.8 4.9 2.7 2.4 1.6

Education/School...................................................... 10.3 1.2 2.0 2.1 2.7 2.2

Home Business........................................................ 7.6 1.2 3.0 1.4 1.2 0.7

Telecommuting......................................................... 3.5 0.8 1.3 0.6 0.7 Q

Telecommuting by Personal Computer

1 or 2 Days per Week............................................... 0.8 Q Q 0.3 Q N

3 to 5 Days per Week............................................... 1.3 0.3 0.5 Q 0.3 Q

More than 5 Days per Week..................................... 1.4 0.3 0.6 Q 0.3 Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC6.12 Home Electronics Usage Indicators by Number of Household Members, 2005

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Members

 Million U.S. Housing Units

Home Electronics Usage Indicators

PC Printer................................................................... 65.4 11.5 22.5 12.4 11.7 7.4

With Built-in Fax/Copier............................................ 27.7 4.6 9.4 5.3 5.4 3.0

Without Built-in Fax/Copier....................................... 37.8 6.9 13.1 7.1 6.3 4.4

Use a Color Television Set............................................ 109.7 29.3 34.5 18.2 15.8 11.8

Weekday Hours Turned on per Day

Less than 1 Hour...................................................... 6.2 2.8 1.4 0.8 0.5 0.7

1 to 3 Hours.............................................................. 49.1 14.2 15.9 7.9 6.8 4.4

Most of the Day........................................................ 46.0 10.3 15.2 7.9 7.1 5.4

On All the Time......................................................... 8.4 2.0 2.0 1.6 1.4 1.3

No Television............................................................ 1.4 0.7 0.3 Q Q Q

Weekend Hours Turned on per Day

Less than 1 Hour...................................................... 7.3 3.5 1.6 0.9 0.6 0.7

1 to 3 Hours.............................................................. 35.9 10.8 12.2 5.2 4.5 3.2

Most of the Day........................................................ 56.4 12.6 18.4 9.9 9.0 6.5

On All the Time......................................................... 10.1 2.4 2.3 2.2 1.7 1.5

No Television............................................................ 1.4 0.7 0.3 Q Q Q

TV-Based Game System Usage per Week

Use a TV-Based Game System................................ 34.7 3.3 6.5 8.1 9.4 7.4

Less than 5 Hours................................................. 19.9 2.5 4.5 4.7 4.8 3.4

5 to 10 Hours........................................................ 8.9 0.5 1.2 2.0 3.0 2.3

11 to 15 hours....................................................... 2.4 Q 0.4 0.6 0.8 0.6

16 to 20 Hours...................................................... 1.5 Q Q 0.3 0.4 0.4

More than 20 Hours.............................................. 2.1 Q 0.2 0.5 0.5 0.8

Do Not Use a TV-Based Game System.................... 75.0 26.0 28.1 10.2 6.4 4.4

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total............................................................. 111.1 26.7 28.8 20.6 13.1 22.0 16.6 38.6

Personal Computers

Do Not Use a Personal Computer........... 35.5 17.1 10.8 4.2 1.8 1.6 10.3 20.6

Use a Personal Computer....................... 75.6 9.6 18.0 16.4 11.3 20.3 6.4 17.9

Most-Used Personal Computer

Type of PC

Desk-top Model.................................. 58.6 7.6 14.2 13.1 9.2 14.6 5.0 14.5

Laptop Model...................................... 16.9 2.0 3.8 3.3 2.1 5.7 1.3 3.5

Hours Turned on Per Week

Less than 2 Hours.............................. 13.6 3.1 3.9 3.4 1.7 1.6 1.8 4.8

2 to 15 Hours...................................... 29.1 3.4 7.0 6.6 4.5 7.6 2.3 7.1

16 to 40 Hours.................................... 13.5 1.3 3.2 2.2 2.3 4.5 0.9 2.8

41 to 167 Hours.................................. 6.3 0.8 1.1 1.3 0.9 2.3 0.5 1.2

On All the Time.................................. 13.0 1.1 2.7 2.9 2.0 4.4 0.8 2.1

Status of PC When Not Being Used

Left On............................................... 12.5 1.3 2.6 2.4 1.9 4.3 0.9 2.4

Completely Turned Off....................... 43.6 6.3 11.7 9.6 6.5 9.5 4.3 11.9

Manually Put into Sleep Mode............ 19.4 1.9 3.6 4.4 2.9 6.6 1.2 3.7

CPU Goes to Sleep When PC is Left On

Yes................................................. 9.1 1.0 1.8 1.7 1.2 3.3 0.7 1.8

No................................................... 3.4 0.3 0.7 0.7 0.7 1.0 0.2 0.6

Type of Monitor Used

Desk-top

CRT (Standard Monitor).................. 45.0 6.6 11.6 10.2 6.5 10.1 4.4 12.1

Flat-Panel LCD............................... 13.6 1.0 2.6 2.8 2.7 4.5 0.6 2.4

Laptop (Flat-panel LCD)..................... 16.9 2.0 3.8 3.3 2.1 5.7 1.3 3.5

Status of Monitor When Not in Use

Screen-Saver..................................... 6.1 0.6 1.3 1.4 1.0 1.9 0.4 1.2

Automatic Sleep Mode....................... 4.4 0.6 0.8 0.7 0.6 1.6 0.4 0.9

Monitor is Turned Off.......................... 2.0 Q 0.5 0.3 0.4 0.7 Q 0.3

Second Most-Used Personal Computer

Use a Second Personal Computer......... 25.3 1.3 3.8 4.9 4.1 11.1 1.1 3.7

Type of PC

Desk-top Model.................................. 15.8 0.8 2.6 3.2 2.8 6.5 0.7 2.4

Lap-top Model.................................... 9.4 0.5 1.2 1.7 1.3 4.7 0.4 1.3

Hours Turned on Per Week

Less than 2 Hours.............................. 8.2 0.4 1.4 2.0 1.5 2.9 0.4 1.4

2 to 15 Hours...................................... 9.9 0.5 1.4 1.8 1.5 4.6 0.4 1.5

16 to 40 Hours.................................... 3.2 Q 0.4 0.5 0.6 1.6 Q 0.4

41 to 167 Hours.................................. 1.2 Q Q Q Q 0.8 N Q

On All the Time.................................. 2.8 Q 0.5 0.4 0.4 1.4 Q 0.3

Table HC7.12 Home Electronics Usage Indicators by Household Income, 2005

Below 

Poverty 

Line

Eligible for 

Federal 

Assistance1

2005 Household Income

Housing 

Units 

(millions)

Less than 

$20,000

$20,000 to 

$39,999

$40,000 to 

$59,999

$60,000 to 

$79,999

$80,000 or 

More

 Million U.S. Housing Units

Home Electronics Usage Indicators

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC7.12 Home Electronics Usage Indicators by Household Income, 2005

Below 

Poverty 

Line

Eligible for 

Federal 

Assistance1

2005 Household Income

Housing 

Units 

(millions)

Less than 

$20,000

$20,000 to 

$39,999

$40,000 to 

$59,999

$60,000 to 

$79,999

$80,000 or 

More

 Million U.S. Housing Units

Home Electronics Usage Indicators

Status of PC When Not in Use

Left On............................................... 3.2 Q 0.6 0.6 0.5 1.5 Q 0.4

Completely Turned Off....................... 17.8 1.0 2.8 3.7 3.0 7.3 0.9 2.8

Manually Put into Sleep Mode............ 4.2 0.2 0.4 0.7 0.6 2.4 Q 0.5

CPU Goes to Sleep When PC is Left On

Yes................................................. 2.2 Q 0.3 0.4 0.3 1.0 Q 0.3

No................................................... 1.0 N Q Q Q 0.4 N Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor).................. 11.6 0.6 2.2 2.4 2.2 4.2 0.6 2.0

Flat-Panel LCD............................... 4.2 Q 0.4 0.8 0.6 2.3 Q 0.4

Laptop (Flat-panel LCD)..................... 9.0 0.5 1.2 1.6 1.2 4.5 0.4 1.3

Monitor Goes to Sleep When Not in Use

Screen-Saver..................................... 1.7 Q Q Q 0.4 0.8 Q 0.2

Automatic Sleep Mode....................... 1.0 Q Q 0.3 Q 0.5 Q Q

Monitor is Turned Off.......................... 0.5 N Q Q Q QN Q

Use of Internet

Have Access to Internet

Yes..................................................... 66.9 7.2 15.1 14.6 10.4 19.6 4.9 14.0

Dial-up (phone)............................... 26.8 3.9 7.0 6.9 4.1 4.9 2.4 7.1

DSL................................................ 19.1 1.6 3.8 3.7 3.2 6.9 1.2 3.5

Cable Modem................................. 20.8 1.6 4.1 4.0 3.0 8.0 1.2 3.3

No...................................................... 8.7 2.5 2.9 1.8 0.9 0.8 1.5 3.9

Status of DSL Connection When Not in Use

Turned Off...................................... 5.0 0.6 1.3 0.7 0.9 1.4 0.4 1.1

Left On............................................ 14.2 1.0 2.5 2.9 2.2 5.5 0.8 2.4

Status of Cable Modem When Not in Use

Turned Off...................................... 4.1 0.5 0.9 1.0 0.6 1.1 0.4 0.8

Left On............................................ 16.7 1.2 3.2 3.0 2.4 6.9 0.8 2.5

Have a Wireless Router

Yes................................................. 2.4 0.3 0.5 0.4 0.4 0.9 0.3 0.6

No................................................... 12.7 0.6 1.7 1.8 1.7 6.9 0.5 1.2

No DSL or Modem Connection....... 27.0 4.0 7.1 7.0 4.2 4.7 2.5 7.2

Primary Use of PC(s) 

Personal Use......................................... 39.8 4.4 9.7 8.8 6.0 11.0 2.7 8.5

Recreation............................................. 14.4 2.2 3.7 3.4 2.4 2.7 1.3 3.9

Education/School................................... 10.3 1.9 2.6 2.4 1.4 2.0 1.6 3.7

Home Business...................................... 7.6 0.7 1.1 1.2 1.1 3.3 0.5 1.3

Telecommuting...................................... 3.5 0.4 0.8 0.6 0.4 1.4 0.2 0.6

Telecommuting by Personal Computer

1 or 2 Days per Week............................ 0.8 Q Q 0.3 Q 0.3 Q Q

3 to 5 Days per Week............................ 1.3 Q 0.4 Q Q 0.6 Q Q

More than 5 Days per Week.................. 1.4 0.2 0.3 Q Q 0.5 Q 0.4

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC7.12 Home Electronics Usage Indicators by Household Income, 2005

Below 

Poverty 

Line

Eligible for 

Federal 

Assistance1

2005 Household Income

Housing 

Units 

(millions)

Less than 

$20,000

$20,000 to 

$39,999

$40,000 to 

$59,999

$60,000 to 

$79,999

$80,000 or 

More

 Million U.S. Housing Units

Home Electronics Usage Indicators

PC Printer................................................. 65.4 7.1 15.0 14.0 10.4 19.1 4.6 13.7

With Built-in Fax/Copier......................... 27.7 2.4 5.5 5.6 4.7 9.5 1.7 4.7

Without Built-in Fax/Copier.................... 37.8 4.7 9.5 8.4 5.7 9.6 3.0 9.1

Use a Color Television Set......................... 109.7 26.1 28.5 20.4 12.9 21.9 16.3 37.8

Weekday Hours Turned on per Day

Less than 1 Hour.................................... 6.2 1.5 1.6 1.1 0.5 1.5 1.0 2.0

1 to 3 Hours........................................... 49.1 9.1 12.3 10.1 6.3 11.3 5.3 13.7

Most of the Day...................................... 46.0 12.3 12.0 8.1 5.2 8.4 7.9 17.4

On All the Time...................................... 8.4 3.2 2.6 1.2 0.8 0.7 2.1 4.6

No Television......................................... 1.4 0.7 0.3 Q Q Q 0.4 0.8

Weekend Hours Turned on per Day

Less than 1 Hour.................................... 7.3 2.5 1.9 0.8 0.7 1.3 1.5 3.2

1 to 3 Hours........................................... 35.9 7.5 9.0 6.9 4.1 8.4 4.8 10.9

Most of the Day...................................... 56.4 12.5 14.9 11.0 7.0 11.0 7.7 18.6

On All the Time...................................... 10.1 3.5 2.6 1.8 1.0 1.1 2.3 5.0

No Television......................................... 1.4 0.7 0.3 Q Q Q 0.4 0.8

TV-Based Game System Usage per Week

Use a TV-Based Game System............. 34.7 5.9 8.3 7.3 5.1 8.1 4.9 11.4

Less than 5 Hours.............................. 19.9 3.5 4.9 4.2 2.8 4.5 2.8 6.7

5 to 10 Hours...................................... 8.9 1.3 1.9 1.7 1.7 2.4 1.2 2.5

11 to 15 hours.................................... 2.4 0.5 0.5 0.6 0.2 0.7 0.3 0.7

16 to 20 Hours.................................... 1.5 0.3 0.4 0.3 Q 0.2 0.3 0.6

More than 20 Hours............................ 2.1 0.4 0.6 0.4 0.3 0.3 0.4 0.9

Do Not Use a TV-Based Game System. 75.0 20.2 20.2 13.1 7.8 13.7 11.4 26.4

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total.................................................................................... 111.1 47.1 19.0 22.7 22.3

Personal Computers

Do Not Use a Personal Computer.................................. 35.5 16.9 6.5 4.6 7.6

Use a Personal Computer.............................................. 75.6 30.3 12.5 18.1 14.7

Most-Used Personal Computer

Type of PC

Desk-top Model......................................................... 58.6 22.9 9.8 14.1 11.9

Laptop Model............................................................. 16.9 7.4 2.7 4.0 2.9

Hours Turned on Per Week

Less than 2 Hours..................................................... 13.6 5.7 1.8 2.9 3.2

2 to 15 Hours............................................................. 29.1 11.9 5.1 6.5 5.7

16 to 40 Hours........................................................... 13.5 5.5 2.5 3.3 2.2

41 to 167 Hours......................................................... 6.3 2.5 1.1 1.6 1.1

On All the Time.......................................................... 13.0 4.7 1.9 3.8 2.5

Status of PC When Not Being Used

Left On...................................................................... 12.5 5.2 1.7 3.4 2.2

Completely Turned Off.............................................. 43.6 18.2 7.4 9.3 8.6

Manually Put into Sleep Mode................................... 19.4 6.9 3.3 5.3 3.9

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 9.1 3.6 1.3 2.6 1.7

No.......................................................................... 3.4 1.6 0.4 0.8 0.5

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 45.0 17.7 7.5 10.2 9.6

Flat-Panel LCD...................................................... 13.6 5.2 2.3 3.9 2.2

Laptop (Flat-panel LCD)............................................ 16.9 7.4 2.7 4.0 2.9

Status of Monitor When Not in Use

Screen-Saver............................................................ 6.1 2.6 1.1 1.3 1.2

Automatic Sleep Mode.............................................. 4.4 1.8 0.5 1.4 0.8

Monitor is Turned Off................................................. 2.0 0.8 Q 0.8 Q

Second Most-Used Personal Computer

Use a Second Personal Computer................................. 25.3 9.1 4.2 7.3 4.6

Type of PC

Desk-top Model......................................................... 15.8 5.6 2.8 4.3 3.1

Lap-top Model............................................................ 9.4 3.5 1.3 3.1 1.6

Hours Turned on Per Week

Less than 2 Hours..................................................... 8.2 3.1 1.5 2.0 1.6

2 to 15 Hours............................................................. 9.9 3.6 1.5 3.0 1.7

16 to 40 Hours........................................................... 3.2 1.0 0.5 1.2 0.5

41 to 167 Hours......................................................... 1.2 0.4 Q 0.3 Q

On All the Time.......................................................... 2.8 1.0 0.5 0.8 0.5

Urban/Rural Location

(as Self-Reported)

City Town Surburbs Rural

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC8.12 Home Electronics Usage Indicators by Urban/Rural Location, 2005

Housing

Units 

(millions)

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Urban/Rural Location

(as Self-Reported)

City Town Surburbs Rural

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC8.12 Home Electronics Usage Indicators by Urban/Rural Location, 2005

Housing

Units 

(millions)

Status of PC When Not in Use

Left On...................................................................... 3.2 1.1 0.6 0.9 0.6

Completely Turned Off.............................................. 17.8 6.7 2.8 4.9 3.4

Manually Put into Sleep Mode................................... 4.2 1.3 0.9 1.5 0.6

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 2.2 0.8 0.4 0.7 0.3

No.......................................................................... 1.0 0.3 Q 0.3 0.3

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 11.6 4.4 2.0 2.8 2.3

Flat-Panel LCD...................................................... 4.2 1.2 0.8 1.4 0.8

Laptop (Flat-panel LCD)............................................ 9.0 3.3 1.2 2.9 1.5

Monitor Goes to Sleep When Not in Use

Screen-Saver............................................................ 1.7 0.6 0.3 0.5 0.3

Automatic Sleep Mode.............................................. 1.0 0.3 Q 0.3 0.3

Monitor is Turned Off................................................. 0.5 QQQQ

Use of Internet

Have Access to Internet

Yes............................................................................ 66.9 26.6 11.0 16.7 12.6

Dial-up (phone)...................................................... 26.8 9.8 3.9 4.9 8.2

DSL....................................................................... 19.1 8.3 3.4 5.0 2.4

Cable Modem........................................................ 20.8 8.4 3.5 6.8 2.1

No............................................................................. 8.7 3.7 1.5 1.4 2.1

Status of DSL Connection When Not in Use

Turned Off............................................................. 5.0 2.8 0.7 1.0 0.5

Left On................................................................... 14.2 5.5 2.7 4.0 1.9

Status of Cable Modem When Not in Use

Turned Off............................................................. 4.1 1.8 0.4 1.4 0.4

Left On................................................................... 16.7 6.6 3.1 5.4 1.6

Have a Wireless Router

Yes........................................................................ 2.4 1.1 0.4 0.5 0.3

No.......................................................................... 12.7 4.9 1.9 4.7 1.2

No DSL or Modem Connection.............................. 27.0 9.9 4.0 4.9 8.2

Primary Use of PC(s) 

Personal Use................................................................ 39.8 16.5 5.8 10.4 7.2

Recreation..................................................................... 14.4 5.0 3.2 3.1 3.1

Education/School.......................................................... 10.3 4.9 1.8 1.7 1.9

Home Business............................................................. 7.6 2.5 1.2 1.9 1.9

Telecommuting............................................................. 3.5 1.4 0.4 1.0 0.6

Telecommuting by Personal Computer

1 or 2 Days per Week................................................... 0.8 Q Q 0.3 Q

3 to 5 Days per Week.................................................... 1.3 0.7 Q 0.3 0.2

More than 5 Days per Week.......................................... 1.4 0.5 0.3 0.4 0.2

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Urban/Rural Location

(as Self-Reported)

City Town Surburbs Rural

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC8.12 Home Electronics Usage Indicators by Urban/Rural Location, 2005

Housing

Units 

(millions)

PC Printer........................................................................ 65.4 25.1 10.5 16.5 13.4

With Built-in Fax/Copier................................................ 27.7 10.0 4.8 7.2 5.7

Without Built-in Fax/Copier............................................ 37.8 15.1 5.7 9.3 7.7

Use a Color Television Set................................................. 109.7 46.4 18.8 22.5 22.0

Weekday Hours Turned on per Day

Less than 1 Hour........................................................... 6.2 3.0 1.1 0.9 1.2

1 to 3 Hours.................................................................. 49.1 20.5 7.9 10.8 9.9

Most of the Day............................................................. 46.0 19.4 7.9 9.4 9.3

On All the Time............................................................. 8.4 3.5 1.9 1.4 1.6

No Television................................................................ 1.4 0.7 Q Q 0.3

Weekend Hours Turned on per Day

Less than 1 Hour........................................................... 7.3 3.2 1.0 1.3 1.8

1 to 3 Hours.................................................................. 35.9 15.3 5.6 8.2 6.8

Most of the Day............................................................. 56.4 23.3 10.1 11.5 11.5

On All the Time............................................................. 10.1 4.5 2.0 1.6 1.9

No Television................................................................ 1.4 0.7 Q Q 0.3

TV-Based Game System Usage per Week

Use a TV-Based Game System.................................... 34.7 14.9 5.9 7.6 6.4

Less than 5 Hours..................................................... 19.9 8.4 3.4 4.5 3.5

5 to 10 Hours............................................................. 8.9 3.6 1.5 1.8 2.0

11 to 15 hours........................................................... 2.4 1.1 0.4 0.5 0.4

16 to 20 Hours........................................................... 1.5 0.8 Q 0.3 0.3

More than 20 Hours................................................... 2.1 0.9 0.4 0.4 0.3

Do Not Use a TV-Based Game System........................ 75.0 31.6 12.9 14.9 15.6

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were 

sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Total............................................................................ 111.1 10.9 26.1 27.3 24.0 22.8

Personal Computers

Do Not Use a Personal Computer......................... 35.5 3.2 8.3 8.9 7.7 7.5

Use a Personal Computer...................................... 75.6 7.8 17.8 18.4 16.3 15.3

Most-Used Personal Computer

Type of PC

Desk-top Model................................................. 58.6 6.2 14.3 14.2 12.1 11.9

Laptop Model.................................................... 16.9 1.6 3.5 4.3 4.2 3.4

Hours Turned on Per Week

Less than 2 Hours............................................. 13.6 1.3 3.6 3.0 3.1 2.6

2 to 15 Hours.................................................... 29.1 3.2 6.8 7.1 6.0 6.0

16 to 40 Hours................................................... 13.5 1.6 3.3 3.6 2.5 2.5

41 to 167 Hours................................................. 6.3 0.6 1.2 1.4 1.8 1.3

On All the Time................................................. 13.0 1.1 3.0 3.3 2.8 2.8

Status of PC When Not Being Used

Left On.............................................................. 12.5 1.5 2.6 3.1 2.7 2.5

Completely Turned Off...................................... 43.6 4.5 9.9 10.6 9.4 9.3

Manually Put into Sleep Mode........................... 19.4 1.8 5.2 4.8 4.2 3.5

CPU Goes to Sleep When PC is Left On

Yes................................................................ 9.1 1.2 1.8 2.1 2.1 1.8

No.................................................................. 3.4 0.3 0.8 0.9 0.6 0.8

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 45.0 5.0 11.2 11.0 9.3 8.6

Flat-Panel LCD.............................................. 13.6 1.2 3.1 3.2 2.8 3.3

Laptop (Flat-panel LCD).................................... 16.9 1.6 3.5 4.3 4.2 3.4

Status of Monitor When Not in Use

Screen-Saver.................................................... 6.1 0.7 1.1 1.4 1.5 1.4

Automatic Sleep Mode...................................... 4.4 0.5 0.9 1.2 0.8 0.8

Monitor is Turned Off......................................... 2.0 0.3 0.5 0.5 0.4 Q

Second Most-Used Personal Computer

Use a Second Personal Computer........................ 25.3 2.7 5.4 6.5 5.8 4.9

Type of PC

Desk-top Model................................................. 15.8 1.7 2.9 4.4 3.8 3.0

Lap-top Model................................................... 9.4 0.9 2.5 2.1 2.0 1.9

Hours Turned on Per Week

Less than 2 Hours............................................. 8.2 0.8 1.6 2.1 1.8 1.9

2 to 15 Hours.................................................... 9.9 1.1 2.5 2.4 2.4 1.4

16 to 40 Hours................................................... 3.2 0.2 0.6 0.9 0.7 0.7

41 to 167 Hours................................................. 1.2 Q 0.2 Q 0.4 Q

On All the Time................................................. 2.8 0.4 0.4 0.7 0.5 0.8

Table HC9.12 Home Electronics Usage Indicators by Climate Zone, 2005

Home Electronics Usage Indicators

2,000 CDD 

or More

and Less 

than 4,000 

HDD

Less than 2,000 CDD and --

Greater than 

7,000 HDD

5,500 to 

7,000 HDD

4,000 to 

5,499 HDD

Less than 

4,000 HDD

Housing 

Units 

(millions)

Climate Zone1

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Table HC9.12 Home Electronics Usage Indicators by Climate Zone, 2005

Home Electronics Usage Indicators

2,000 CDD 

or More

and Less 

than 4,000 

HDD

Less than 2,000 CDD and --

Greater than 

7,000 HDD

5,500 to 

7,000 HDD

4,000 to 

5,499 HDD

Less than 

4,000 HDD

Housing 

Units 

(millions)

Climate Zone1

Status of PC When Not in Use

Left On.............................................................. 3.2 0.4 0.6 0.7 0.8 0.6

Completely Turned Off...................................... 17.8 1.8 3.8 4.6 4.2 3.4

Manually Put into Sleep Mode........................... 4.2 0.5 0.9 1.2 0.8 0.8

CPU Goes to Sleep When PC is Left On

Yes................................................................ 2.2 0.3 0.4 0.3 0.6 0.5

No.................................................................. 1.0 Q Q 0.3 Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)................................. 11.6 1.2 2.1 3.4 2.6 2.3

Flat-Panel LCD.............................................. 4.2 0.5 0.8 1.0 1.2 0.7

Laptop (Flat-panel LCD).................................... 9.0 0.9 2.5 2.0 1.9 1.7

Monitor Goes to Sleep When Not in Use

Screen-Saver.................................................... 1.7 Q 0.3 0.4 0.5 0.3

Automatic Sleep Mode...................................... 1.0 Q Q Q Q Q

Monitor is Turned Off......................................... 0.5 Q Q Q Q Q

Use of Internet

Have Access to Internet

Yes.................................................................... 66.9 6.9 15.6 16.4 14.4 13.6

Dial-up (phone).............................................. 26.8 3.2 6.6 6.4 5.5 5.1

DSL............................................................... 19.1 1.6 4.2 4.5 4.8 4.1

Cable Modem................................................ 20.8 2.2 4.9 5.5 4.0 4.2

No..................................................................... 8.7 0.9 2.2 2.0 1.9 1.7

Status of DSL Connection When Not in Use

Turned Off..................................................... 5.0 0.5 1.1 1.4 1.0 1.1

Left On.......................................................... 14.2 1.1 3.1 3.1 3.8 3.1

Status of Cable Modem When Not in Use

Turned Off..................................................... 4.1 0.4 0.9 1.0 0.8 1.0

Left On.......................................................... 16.7 1.9 4.0 4.4 3.2 3.2

Have a Wireless Router

Yes................................................................ 2.4 0.2 0.4 0.9 0.4 0.5

No.................................................................. 12.7 1.1 2.6 3.2 3.1 2.6

No DSL or Modem Connection...................... 27.0 3.1 6.6 6.5 5.6 5.3

Primary Use of PC(s) 

Personal Use........................................................ 39.8 4.0 9.2 9.7 8.3 8.6

Recreation............................................................ 14.4 1.6 4.0 4.0 2.7 2.1

Education/School.................................................. 10.3 0.8 2.4 2.0 2.8 2.3

Home Business.................................................... 7.6 1.0 1.5 1.7 1.6 1.7

Telecommuting..................................................... 3.5 0.3 0.7 0.9 0.9 0.6

Telecommuting by Personal Computer

1 or 2 Days per Week........................................... 0.8 Q Q Q 0.3 Q

3 to 5 Days per Week........................................... 1.3 Q 0.2 0.4 0.4 Q

More than 5 Days per Week................................. 1.4 Q 0.5 0.4 0.3 Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Table HC9.12 Home Electronics Usage Indicators by Climate Zone, 2005

Home Electronics Usage Indicators

2,000 CDD 

or More

and Less 

than 4,000 

HDD

Less than 2,000 CDD and --

Greater than 

7,000 HDD

5,500 to 

7,000 HDD

4,000 to 

5,499 HDD

Less than 

4,000 HDD

Housing 

Units 

(millions)

Climate Zone1

PC Printer................................................................ 65.4 7.0 15.5 15.5 14.2 13.1

With Built-in Fax/Copier........................................ 27.7 2.7 6.2 6.4 6.2 6.2

Without Built-in Fax/Copier................................... 37.8 4.3 9.4 9.1 8.0 6.9

Use a Color Television Set........................................ 109.7 10.8 25.8 26.8 23.8 22.5

Weekday Hours Turned on per Day

Less than 1 Hour.................................................. 6.2 0.7 1.5 1.6 1.3 1.0

1 to 3 Hours.......................................................... 49.1 5.9 11.5 11.9 10.5 9.3

Most of the Day..................................................... 46.0 3.7 10.8 11.0 9.9 10.5

On All the Time..................................................... 8.4 0.5 2.0 2.2 2.0 1.7

No Television........................................................ 1.4 Q 0.3 0.5 Q Q

Weekend Hours Turned on per Day

Less than 1 Hour.................................................. 7.3 0.9 1.9 1.4 1.9 1.2

1 to 3 Hours.......................................................... 35.9 4.3 8.6 9.0 7.2 6.8

Most of the Day..................................................... 56.4 5.1 13.3 13.8 12.0 12.3

On All the Time..................................................... 10.1 0.5 2.0 2.6 2.8 2.2

No Television........................................................ 1.4 Q 0.3 0.5 Q Q

TV-Based Game System Usage per Week

Use a TV-Based Game System............................ 34.7 3.3 7.5 9.2 7.3 7.4

Less than 5 Hours............................................. 19.9 1.8 4.2 5.1 4.1 4.6

5 to 10 Hours.................................................... 8.9 0.9 1.8 2.7 1.8 1.8

11 to 15 hours................................................... 2.4 0.2 0.7 0.6 0.6 0.4

16 to 20 Hours................................................... 1.5 Q 0.3 0.4 0.4 0.3

More than 20 Hours........................................... 2.1 0.2 0.5 0.5 0.5 0.3

Do Not Use a TV-Based Game System................ 75.0 7.5 18.3 17.6 16.5 15.2

 1. One of five climatically distinct areas, determined according to the 30-year average (1971-2000) of the annual heating and cooling 

degree-days. A household is assigned to a climate zone according to the 30-year average annual degree-days for an appropriate nearby 

weather station.

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were 

sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total.................................................................................... 111.1 20.6 25.6 40.7 24.2

Personal Computers

Do Not Use a Personal Computer.................................. 35.5 6.9 8.1 14.2 6.4

Use a Personal Computer.............................................. 75.6 13.7 17.5 26.6 17.8

Most-Used Personal Computer

Type of PC

Desk-top Model......................................................... 58.6 10.4 14.1 20.5 13.7

Laptop Model............................................................. 16.9 3.3 3.4 6.1 4.1

Hours Turned on Per Week

Less than 2 Hours..................................................... 13.6 2.4 3.4 5.0 2.9

2 to 15 Hours............................................................. 29.1 5.2 7.0 10.3 6.6

16 to 40 Hours........................................................... 13.5 3.1 2.8 4.1 3.4

41 to 167 Hours......................................................... 6.3 1.0 1.3 2.0 2.0

On All the Time.......................................................... 13.0 2.0 2.9 5.2 2.9

Status of PC When Not Being Used

Left On...................................................................... 12.5 2.0 2.7 4.5 3.3

Completely Turned Off.............................................. 43.6 7.8 9.9 15.7 10.2

Manually Put into Sleep Mode................................... 19.4 3.9 4.9 6.3 4.3

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 9.1 1.4 1.9 3.3 2.6

No.......................................................................... 3.4 0.6 0.8 1.3 0.7

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 45.0 7.9 11.4 15.4 10.2

Flat-Panel LCD...................................................... 13.6 2.4 2.7 5.1 3.5

Laptop (Flat-panel LCD)............................................ 16.9 3.3 3.4 6.1 4.1

Status of Monitor When Not in Use

Screen-Saver............................................................ 6.1 1.1 1.1 2.5 1.4

Automatic Sleep Mode.............................................. 4.4 0.4 1.1 1.5 1.3

Monitor is Turned Off................................................. 2.0 0.5 0.5 0.5 0.5

Second Most-Used Personal Computer

Use a Second Personal Computer................................. 25.3 4.4 5.6 8.4 6.9

Type of PC

Desk-top Model......................................................... 15.8 2.5 3.7 5.2 4.3

Lap-top Model............................................................ 9.4 1.9 1.9 3.2 2.5

Hours Turned on Per Week

Less than 2 Hours..................................................... 8.2 1.2 1.9 3.0 2.1

2 to 15 Hours............................................................. 9.9 1.7 2.4 2.8 2.9

16 to 40 Hours........................................................... 3.2 0.8 0.4 1.1 0.8

41 to 167 Hours......................................................... 1.2 0.3 Q Q 0.4

On All the Time.......................................................... 2.8 0.3 0.7 1.1 0.6

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC10.12 Home Electronics Usage Indicators by U.S. Census Region, 2005

Housing

Units 

(millions)

U.S. Census Region

Northeast Midwest South West

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC10.12 Home Electronics Usage Indicators by U.S. Census Region, 2005

Housing

Units 

(millions)

U.S. Census Region

Northeast Midwest South West

Status of PC When Not in Use

Left On...................................................................... 3.2 0.4 0.8 1.0 0.9

Completely Turned Off.............................................. 17.8 3.1 3.9 5.8 5.0

Manually Put into Sleep Mode................................... 4.2 0.8 0.9 1.5 1.0

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 2.2 0.3 0.4 0.6 0.8

No.......................................................................... 1.0 Q 0.3 0.4 Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 11.6 1.7 2.9 4.1 2.9

Flat-Panel LCD...................................................... 4.2 0.8 0.9 1.2 1.4

Laptop (Flat-panel LCD)............................................ 9.0 1.8 1.9 2.8 2.4

Monitor Goes to Sleep When Not in Use

Screen-Saver............................................................ 1.7 0.3 0.4 0.5 0.5

Automatic Sleep Mode.............................................. 1.0 Q 0.3 0.4 0.3

Monitor is Turned Off................................................. 0.5 QQQQ

Use of Internet

Have Access to Internet

Yes............................................................................ 66.9 12.3 15.3 23.3 16.0

Dial-up (phone)...................................................... 26.8 4.3 6.9 10.2 5.4

DSL....................................................................... 19.1 2.9 3.8 7.0 5.4

Cable Modem........................................................ 20.8 5.1 4.6 6.0 5.1

No............................................................................. 8.7 1.3 2.2 3.3 1.9

Status of DSL Connection When Not in Use

Turned Off............................................................. 5.0 1.1 0.9 1.9 1.1

Left On................................................................... 14.2 1.8 2.9 5.1 4.3

Status of Cable Modem When Not in Use

Turned Off............................................................. 4.1 1.0 0.6 1.5 0.9

Left On................................................................... 16.7 4.1 3.9 4.5 4.2

Have a Wireless Router

Yes........................................................................ 2.4 0.7 0.3 0.8 0.6

No.......................................................................... 12.7 2.4 2.3 4.3 3.7

No DSL or Modem Connection.............................. 27.0 4.3 6.9 10.4 5.5

Primary Use of PC(s) 

Personal Use................................................................ 39.8 7.3 9.2 14.4 9.0

Recreation..................................................................... 14.4 3.0 4.1 4.8 2.5

Education/School.......................................................... 10.3 1.7 1.9 3.8 3.0

Home Business............................................................. 7.6 1.1 1.7 2.7 2.2

Telecommuting............................................................. 3.5 0.7 0.6 1.0 1.2

Telecommuting by Personal Computer

1 or 2 Days per Week................................................... 0.8 Q Q Q 0.3

3 to 5 Days per Week.................................................... 1.3 0.2 Q 0.4 0.5

More than 5 Days per Week.......................................... 1.4 0.4 0.3 0.4 0.3

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC10.12 Home Electronics Usage Indicators by U.S. Census Region, 2005

Housing

Units 

(millions)

U.S. Census Region

Northeast Midwest South West

PC Printer........................................................................ 65.4 11.6 15.2 22.9 15.7

With Built-in Fax/Copier................................................ 27.7 4.6 5.9 10.2 7.0

Without Built-in Fax/Copier............................................ 37.8 7.0 9.3 12.7 8.8

Use a Color Television Set................................................. 109.7 20.0 25.5 40.3 23.8

Weekday Hours Turned on per Day

Less than 1 Hour........................................................... 6.2 1.2 1.3 2.2 1.5

1 to 3 Hours.................................................................. 49.1 9.2 11.5 16.6 11.8

Most of the Day............................................................. 46.0 7.9 11.0 18.0 9.0

On All the Time............................................................. 8.4 1.7 1.7 3.5 1.5

No Television................................................................ 1.4 0.5 Q 0.4 0.4

Weekend Hours Turned on per Day

Less than 1 Hour........................................................... 7.3 1.4 1.7 2.6 1.6

1 to 3 Hours.................................................................. 35.9 7.4 8.0 11.5 9.0

Most of the Day............................................................. 56.4 9.4 13.9 21.5 11.6

On All the Time............................................................. 10.1 1.8 1.8 4.7 1.7

No Television................................................................ 1.4 0.5 Q 0.4 0.4

TV-Based Game System Usage per Week

Use a TV-Based Game System.................................... 34.7 5.6 7.9 13.8 7.4

Less than 5 Hours..................................................... 19.9 3.2 4.0 8.4 4.3

5 to 10 Hours............................................................. 8.9 1.4 2.3 3.4 1.7

11 to 15 hours........................................................... 2.4 0.3 0.7 0.7 0.7

16 to 20 Hours........................................................... 1.5 0.3 0.3 0.6 0.3

More than 20 Hours................................................... 2.1 0.4 0.6 0.7 0.4

Do Not Use a TV-Based Game System........................ 75.0 14.4 17.6 26.5 16.5

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were 

sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total.................................................................................... 111.1 20.6 15.1 5.5

Personal Computers

Do Not Use a Personal Computer.................................. 35.5 6.9 5.3 1.6

Use a Personal Computer.............................................. 75.6 13.7 9.8 3.9

Most-Used Personal Computer

Type of PC

Desk-top Model......................................................... 58.6 10.4 7.3 3.1

Laptop Model............................................................. 16.9 3.3 2.6 0.7

Hours Turned on Per Week

Less than 2 Hours..................................................... 13.6 2.4 1.8 0.6

2 to 15 Hours............................................................. 29.1 5.2 3.7 1.4

16 to 40 Hours........................................................... 13.5 3.1 2.3 0.8

41 to 167 Hours......................................................... 6.3 1.0 0.7 0.3

On All the Time.......................................................... 13.0 2.0 1.3 0.7

Status of PC When Not Being Used

Left On...................................................................... 12.5 2.0 1.4 0.6

Completely Turned Off.............................................. 43.6 7.8 5.7 2.1

Manually Put into Sleep Mode................................... 19.4 3.9 2.7 1.2

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 9.1 1.4 1.0 0.4

No.......................................................................... 3.4 0.6 0.4 0.2

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 45.0 7.9 5.6 2.4

Flat-Panel LCD...................................................... 13.6 2.4 1.7 0.8

Laptop (Flat-panel LCD)............................................ 16.9 3.3 2.6 0.7

Status of Monitor When Not in Use

Screen-Saver............................................................ 6.1 1.1 0.7 0.4

Automatic Sleep Mode.............................................. 4.4 0.4 Q Q

Monitor is Turned Off................................................. 2.0 0.5 0.4 Q

Second Most-Used Personal Computer

Use a Second Personal Computer................................. 25.3 4.4 3.0 1.4

Type of PC

Desk-top Model......................................................... 15.8 2.5 1.8 0.7

Lap-top Model............................................................ 9.4 1.9 1.2 0.7

Hours Turned on Per Week

Less than 2 Hours..................................................... 8.2 1.2 0.9 0.3

2 to 15 Hours............................................................. 9.9 1.7 1.1 0.6

16 to 40 Hours........................................................... 3.2 0.8 0.6 0.2

41 to 167 Hours......................................................... 1.2 0.3 Q Q

On All the Time.......................................................... 2.8 0.3 Q 0.2

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC11.12 Home Electronics Usage Indicators by Northeast Census Region, 2005

Northeast Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

Northeast Middle Atlantic New England

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC11.12 Home Electronics Usage Indicators by Northeast Census Region, 2005

Northeast Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

Northeast Middle Atlantic New England

Status of PC When Not in Use

Left On...................................................................... 3.2 0.4 0.3 0.1

Completely Turned Off.............................................. 17.8 3.1 2.2 0.9

Manually Put into Sleep Mode................................... 4.2 0.8 0.5 0.3

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 2.2 0.3 Q Q

No.......................................................................... 1.0 Q Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 11.6 1.7 1.2 0.5

Flat-Panel LCD...................................................... 4.2 0.8 0.6 0.2

Laptop (Flat-panel LCD)............................................ 9.0 1.8 1.1 0.7

Monitor Goes to Sleep When Not in Use

Screen-Saver............................................................ 1.7 0.3 Q Q

Automatic Sleep Mode.............................................. 1.0 Q Q Q

Monitor is Turned Off................................................. 0.5 Q Q N

Use of Internet

Have Access to Internet

Yes............................................................................ 66.9 12.3 8.9 3.5

Dial-up (phone)...................................................... 26.8 4.3 3.2 1.1

DSL....................................................................... 19.1 2.9 2.0 0.9

Cable Modem........................................................ 20.8 5.1 3.6 1.5

No............................................................................. 8.7 1.3 1.0 0.4

Status of DSL Connection When Not in Use

Turned Off............................................................. 5.0 1.1 0.8 0.3

Left On................................................................... 14.2 1.8 1.2 0.6

Status of Cable Modem When Not in Use

Turned Off............................................................. 4.1 1.0 0.8 0.3

Left On................................................................... 16.7 4.1 2.8 1.2

Have a Wireless Router

Yes........................................................................ 2.4 0.7 0.5 Q

No.......................................................................... 12.7 2.4 1.6 0.8

No DSL or Modem Connection.............................. 27.0 4.3 3.2 1.1

Primary Use of PC(s) 

Personal Use................................................................ 39.8 7.3 5.7 1.6

Recreation..................................................................... 14.4 3.0 2.0 1.0

Education/School.......................................................... 10.3 1.7 1.0 0.6

Home Business............................................................. 7.6 1.1 0.7 0.3

Telecommuting............................................................. 3.5 0.7 0.3 0.3

Telecommuting by Personal Computer

1 or 2 Days per Week................................................... 0.8 Q Q Q

3 to 5 Days per Week.................................................... 1.3 0.2 Q Q

More than 5 Days per Week.......................................... 1.4 0.4 Q 0.2

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC11.12 Home Electronics Usage Indicators by Northeast Census Region, 2005

Northeast Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

Northeast Middle Atlantic New England

PC Printer........................................................................ 65.4 11.6 8.3 3.3

With Built-in Fax/Copier................................................ 27.7 4.6 3.2 1.4

Without Built-in Fax/Copier............................................ 37.8 7.0 5.1 1.9

Use a Color Television Set................................................. 109.7 20.0 14.7 5.3

Weekday Hours Turned on per Day

Less than 1 Hour........................................................... 6.2 1.2 0.9 0.3

1 to 3 Hours.................................................................. 49.1 9.2 6.4 2.8

Most of the Day............................................................. 46.0 7.9 6.1 1.8

On All the Time............................................................. 8.4 1.7 1.3 0.4

No Television................................................................ 1.4 0.5 0.4 Q

Weekend Hours Turned on per Day

Less than 1 Hour........................................................... 7.3 1.4 1.0 0.4

1 to 3 Hours.................................................................. 35.9 7.4 5.2 2.2

Most of the Day............................................................. 56.4 9.4 7.0 2.4

On All the Time............................................................. 10.1 1.8 1.4 0.4

No Television................................................................ 1.4 0.5 0.4 Q

TV-Based Game System Usage per Week

Use a TV-Based Game System.................................... 34.7 5.6 4.2 1.4

Less than 5 Hours..................................................... 19.9 3.2 2.3 0.9

5 to 10 Hours............................................................. 8.9 1.4 1.2 0.3

11 to 15 hours........................................................... 2.4 0.3 0.2 Q

16 to 20 Hours........................................................... 1.5 0.3 0.2 Q

More than 20 Hours................................................... 2.1 0.4 0.2 0.2

Do Not Use a TV-Based Game System........................ 75.0 14.4 10.5 3.9

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total.................................................................................... 111.1 25.6 17.7 7.9

Personal Computers

Do Not Use a Personal Computer.................................. 35.5 8.1 5.6 2.5

Use a Personal Computer.............................................. 75.6 17.5 12.1 5.4

Most-Used Personal Computer

Type of PC

Desk-top Model......................................................... 58.6 14.1 10.0 4.0

Laptop Model............................................................. 16.9 3.4 2.1 1.3

Hours Turned on Per Week

Less than 2 Hours..................................................... 13.6 3.4 2.5 0.9

2 to 15 Hours............................................................. 29.1 7.0 4.8 2.3

16 to 40 Hours........................................................... 13.5 2.8 2.1 0.7

41 to 167 Hours......................................................... 6.3 1.3 0.9 0.4

On All the Time.......................................................... 13.0 2.9 1.8 1.1

Status of PC When Not Being Used

Left On...................................................................... 12.5 2.7 1.7 1.0

Completely Turned Off.............................................. 43.6 9.9 6.9 3.0

Manually Put into Sleep Mode................................... 19.4 4.9 3.6 1.3

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 9.1 1.9 1.1 0.7

No.......................................................................... 3.4 0.8 0.5 0.3

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 45.0 11.4 8.1 3.3

Flat-Panel LCD...................................................... 13.6 2.7 2.0 0.7

Laptop (Flat-panel LCD)............................................ 16.9 3.4 2.1 1.3

Status of Monitor When Not in Use

Screen-Saver............................................................ 6.1 1.1 0.7 0.4

Automatic Sleep Mode.............................................. 4.4 1.1 0.6 0.4

Monitor is Turned Off................................................. 2.0 0.5 0.3 Q

Second Most-Used Personal Computer

Use a Second Personal Computer................................. 25.3 5.6 3.7 1.9

Type of PC

Desk-top Model......................................................... 15.8 3.7 2.6 1.2

Lap-top Model............................................................ 9.4 1.9 1.1 0.8

Hours Turned on Per Week

Less than 2 Hours..................................................... 8.2 1.9 1.2 0.6

2 to 15 Hours............................................................. 9.9 2.4 1.5 0.9

16 to 40 Hours........................................................... 3.2 0.4 0.3 Q

41 to 167 Hours......................................................... 1.2 Q Q Q

On All the Time.......................................................... 2.8 0.7 0.5 0.2

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC12.12 Home Electronics Usage Indicators by Midwest Census Region, 2005

Midwest Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

Midwest East North Central West North Central

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC12.12 Home Electronics Usage Indicators by Midwest Census Region, 2005

Midwest Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

Midwest East North Central West North Central

Status of PC When Not in Use

Left On...................................................................... 3.2 0.8 0.5 0.3

Completely Turned Off.............................................. 17.8 3.9 2.6 1.4

Manually Put into Sleep Mode................................... 4.2 0.9 0.7 0.3

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 2.2 0.4 0.3 Q

No.......................................................................... 1.0 0.3 Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 11.6 2.9 1.9 1.0

Flat-Panel LCD...................................................... 4.2 0.9 0.7 Q

Laptop (Flat-panel LCD)............................................ 9.0 1.9 1.1 0.8

Monitor Goes to Sleep When Not in Use

Screen-Saver............................................................ 1.7 0.4 Q Q

Automatic Sleep Mode.............................................. 1.0 0.3 Q Q

Monitor is Turned Off................................................. 0.5 Q Q Q

Use of Internet

Have Access to Internet

Yes............................................................................ 66.9 15.3 10.5 4.8

Dial-up (phone)...................................................... 26.8 6.9 4.6 2.3

DSL....................................................................... 19.1 3.8 2.6 1.2

Cable Modem........................................................ 20.8 4.6 3.2 1.4

No............................................................................. 8.7 2.2 1.6 0.6

Status of DSL Connection When Not in Use

Turned Off............................................................. 5.0 0.9 0.6 Q

Left On................................................................... 14.2 2.9 2.0 0.9

Status of Cable Modem When Not in Use

Turned Off............................................................. 4.1 0.6 0.5 Q

Left On................................................................... 16.7 3.9 2.7 1.3

Have a Wireless Router

Yes........................................................................ 2.4 0.3 Q Q

No.......................................................................... 12.7 2.3 1.6 0.7

No DSL or Modem Connection.............................. 27.0 6.9 4.7 2.2

Primary Use of PC(s) 

Personal Use................................................................ 39.8 9.2 6.4 2.7

Recreation..................................................................... 14.4 4.1 2.8 1.3

Education/School.......................................................... 10.3 1.9 1.4 0.5

Home Business............................................................. 7.6 1.7 1.1 0.6

Telecommuting............................................................. 3.5 0.6 0.4 Q

Telecommuting by Personal Computer

1 or 2 Days per Week................................................... 0.8 Q Q Q

3 to 5 Days per Week.................................................... 1.3 Q Q Q

More than 5 Days per Week.......................................... 1.4 0.3 Q Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC12.12 Home Electronics Usage Indicators by Midwest Census Region, 2005

Midwest Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

Midwest East North Central West North Central

PC Printer........................................................................ 65.4 15.2 10.8 4.5

With Built-in Fax/Copier................................................ 27.7 5.9 4.3 1.6

Without Built-in Fax/Copier............................................ 37.8 9.3 6.5 2.8

Use a Color Television Set................................................. 109.7 25.5 17.7 7.8

Weekday Hours Turned on per Day

Less than 1 Hour........................................................... 6.2 1.3 0.9 0.4

1 to 3 Hours.................................................................. 49.1 11.5 7.8 3.7

Most of the Day............................................................. 46.0 11.0 7.7 3.3

On All the Time............................................................. 8.4 1.7 1.3 0.4

No Television................................................................ 1.4 Q Q Q

Weekend Hours Turned on per Day

Less than 1 Hour........................................................... 7.3 1.7 1.2 0.5

1 to 3 Hours.................................................................. 35.9 8.0 5.5 2.5

Most of the Day............................................................. 56.4 13.9 9.6 4.3

On All the Time............................................................. 10.1 1.8 1.4 0.5

No Television................................................................ 1.4 Q Q Q

TV-Based Game System Usage per Week

Use a TV-Based Game System.................................... 34.7 7.9 5.8 2.1

Less than 5 Hours..................................................... 19.9 4.0 2.9 1.0

5 to 10 Hours............................................................. 8.9 2.3 1.6 0.7

11 to 15 hours........................................................... 2.4 0.7 0.6 Q

16 to 20 Hours........................................................... 1.5 0.3 Q Q

More than 20 Hours................................................... 2.1 0.6 0.5 Q

Do Not Use a TV-Based Game System........................ 75.0 17.6 11.9 5.7

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total.................................................................................... 111.1 40.7 21.7 6.9 12.1

Personal Computers

Do Not Use a Personal Computer.................................. 35.5 14.2 7.2 2.8 4.2

Use a Personal Computer.............................................. 75.6 26.6 14.5 4.1 7.9

Most-Used Personal Computer

Type of PC

Desk-top Model......................................................... 58.6 20.5 11.0 3.4 6.1

Laptop Model............................................................. 16.9 6.1 3.5 0.7 1.9

Hours Turned on Per Week

Less than 2 Hours..................................................... 13.6 5.0 2.6 1.0 1.3

2 to 15 Hours............................................................. 29.1 10.3 5.9 1.6 2.9

16 to 40 Hours........................................................... 13.5 4.1 2.3 0.6 1.2

41 to 167 Hours......................................................... 6.3 2.0 1.1 0.3 0.6

On All the Time.......................................................... 13.0 5.2 2.6 0.6 1.9

Status of PC When Not Being Used

Left On...................................................................... 12.5 4.5 2.6 0.7 1.2

Completely Turned Off.............................................. 43.6 15.7 8.6 2.5 4.5

Manually Put into Sleep Mode................................... 19.4 6.3 3.4 0.8 2.1

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 9.1 3.3 1.7 0.6 0.9

No.......................................................................... 3.4 1.3 0.9 Q 0.3

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 45.0 15.4 7.9 2.8 4.8

Flat-Panel LCD...................................................... 13.6 5.1 3.2 0.6 1.3

Laptop (Flat-panel LCD)............................................ 16.9 6.1 3.5 0.7 1.9

Status of Monitor When Not in Use

Screen-Saver............................................................ 6.1 2.5 1.3 0.4 0.8

Automatic Sleep Mode.............................................. 4.4 1.5 0.9 Q 0.4

Monitor is Turned Off................................................. 2.0 0.5 0.4 Q Q

Second Most-Used Personal Computer

Use a Second Personal Computer................................. 25.3 8.4 4.5 1.2 2.7

Type of PC

Desk-top Model......................................................... 15.8 5.2 2.8 0.7 1.7

Lap-top Model............................................................ 9.4 3.2 1.7 0.5 1.0

Hours Turned on Per Week

Less than 2 Hours..................................................... 8.2 3.0 1.4 0.4 1.1

2 to 15 Hours............................................................. 9.9 2.8 1.5 0.7 0.7

16 to 40 Hours........................................................... 3.2 1.1 0.6 Q 0.4

41 to 167 Hours......................................................... 1.2 Q Q N Q

On All the Time.......................................................... 2.8 1.1 0.7 Q 0.4

South Atlantic East South 

Central

West South 

Central

U.S.

Housing

Units

(millions)

Census Division

Total 

South

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC13.12 Home Electronics Usage Indicators by South Census Region, 2005

South Census Region

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
South Atlantic East South 

Central

West South 

Central

U.S.

Housing

Units

(millions)

Census Division

Total 

South

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC13.12 Home Electronics Usage Indicators by South Census Region, 2005

South Census Region

Status of PC When Not in Use

Left On...................................................................... 3.2 1.0 0.7 Q 0.3

Completely Turned Off.............................................. 17.8 5.8 3.0 1.0 1.8

Manually Put into Sleep Mode................................... 4.2 1.5 0.8 Q 0.5

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 2.2 0.6 0.4 Q Q

No.......................................................................... 1.0 0.4 Q Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 11.6 4.1 2.3 0.6 1.2

Flat-Panel LCD...................................................... 4.2 1.2 0.6 Q 0.5

Laptop (Flat-panel LCD)............................................ 9.0 2.8 1.6 0.5 0.8

Monitor Goes to Sleep When Not in Use

Screen-Saver............................................................ 1.7 0.5 Q Q Q

Automatic Sleep Mode.............................................. 1.0 0.4 Q N Q

Monitor is Turned Off................................................. 0.5 Q Q N Q

Use of Internet

Have Access to Internet

Yes............................................................................ 66.9 23.3 13.0 3.3 7.0

Dial-up (phone)...................................................... 26.8 10.2 5.9 1.7 2.7

DSL....................................................................... 19.1 7.0 4.0 0.7 2.3

Cable Modem........................................................ 20.8 6.0 3.1 0.9 2.0

No............................................................................. 8.7 3.3 1.6 0.8 0.9

Status of DSL Connection When Not in Use

Turned Off............................................................. 5.0 1.9 1.2 Q 0.5

Left On................................................................... 14.2 5.1 2.8 0.6 1.8

Status of Cable Modem When Not in Use

Turned Off............................................................. 4.1 1.5 0.8 Q 0.4

Left On................................................................... 16.7 4.5 2.3 0.7 1.6

Have a Wireless Router

Yes........................................................................ 2.4 0.8 0.4 Q Q

No.......................................................................... 12.7 4.3 2.3 0.5 1.5

No DSL or Modem Connection.............................. 27.0 10.4 5.9 1.7 2.7

Primary Use of PC(s) 

Personal Use................................................................ 39.8 14.4 7.6 2.1 4.6

Recreation..................................................................... 14.4 4.8 2.7 0.7 1.4

Education/School.......................................................... 10.3 3.8 2.0 0.8 1.0

Home Business............................................................. 7.6 2.7 1.7 0.3 0.6

Telecommuting............................................................. 3.5 1.0 0.6 Q Q

Telecommuting by Personal Computer

1 or 2 Days per Week................................................... 0.8 Q Q N Q

3 to 5 Days per Week.................................................... 1.3 0.4 Q Q Q

More than 5 Days per Week.......................................... 1.4 0.4 Q Q Q

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
South Atlantic East South 

Central

West South 

Central

U.S.

Housing

Units

(millions)

Census Division

Total 

South

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC13.12 Home Electronics Usage Indicators by South Census Region, 2005

South Census Region

PC Printer........................................................................ 65.4 22.9 12.7 3.4 6.8

With Built-in Fax/Copier................................................ 27.7 10.2 5.6 1.4 3.3

Without Built-in Fax/Copier............................................ 37.8 12.7 7.1 2.0 3.5

Use a Color Television Set................................................. 109.7 40.3 21.6 6.8 11.9

Weekday Hours Turned on per Day

Less than 1 Hour........................................................... 6.2 2.2 1.1 0.3 0.9

1 to 3 Hours.................................................................. 49.1 16.6 9.0 2.6 5.0

Most of the Day............................................................. 46.0 18.0 9.8 3.2 4.9

On All the Time............................................................. 8.4 3.5 1.7 0.6 1.2

No Television................................................................ 1.4 0.4 Q Q Q

Weekend Hours Turned on per Day

Less than 1 Hour........................................................... 7.3 2.6 1.5 0.3 0.9

1 to 3 Hours.................................................................. 35.9 11.5 6.2 2.0 3.3

Most of the Day............................................................. 56.4 21.5 11.6 3.7 6.2

On All the Time............................................................. 10.1 4.7 2.4 0.8 1.6

No Television................................................................ 1.4 0.4 Q Q Q

TV-Based Game System Usage per Week

Use a TV-Based Game System.................................... 34.7 13.8 7.4 2.2 4.2

Less than 5 Hours..................................................... 19.9 8.4 4.6 1.2 2.5

5 to 10 Hours............................................................. 8.9 3.4 1.8 0.6 1.0

11 to 15 hours........................................................... 2.4 0.7 0.3 Q 0.3

16 to 20 Hours........................................................... 1.5 0.6 0.4 Q Q

More than 20 Hours................................................... 2.1 0.7 Q Q Q

Do Not Use a TV-Based Game System........................ 75.0 26.5 14.2 4.6 7.8

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were 

sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total.................................................................................... 111.1 24.2 7.6 16.6

Personal Computers

Do Not Use a Personal Computer.................................. 35.5 6.4 2.2 4.2

Use a Personal Computer.............................................. 75.6 17.8 5.3 12.5

Most-Used Personal Computer

Type of PC

Desk-top Model......................................................... 58.6 13.7 4.2 9.5

Laptop Model............................................................. 16.9 4.1 1.1 3.0

Hours Turned on Per Week

Less than 2 Hours..................................................... 13.6 2.9 0.9 2.0

2 to 15 Hours............................................................. 29.1 6.6 2.0 4.6

16 to 40 Hours........................................................... 13.5 3.4 0.9 2.5

41 to 167 Hours......................................................... 6.3 2.0 0.6 1.4

On All the Time.......................................................... 13.0 2.9 1.0 1.9

Status of PC When Not Being Used

Left On...................................................................... 12.5 3.3 1.1 2.2

Completely Turned Off.............................................. 43.6 10.2 2.8 7.4

Manually Put into Sleep Mode................................... 19.4 4.3 1.4 2.9

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 9.1 2.6 0.9 1.7

No.......................................................................... 3.4 0.7 Q 0.5

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 45.0 10.2 3.2 7.0

Flat-Panel LCD...................................................... 13.6 3.5 1.0 2.5

Laptop (Flat-panel LCD)............................................ 16.9 4.1 1.1 3.0

Status of Monitor When Not in Use

Screen-Saver............................................................ 6.1 1.4 0.3 1.1

Automatic Sleep Mode.............................................. 4.4 1.3 0.6 0.7

Monitor is Turned Off................................................. 2.0 0.5 Q 0.4

Second Most-Used Personal Computer

Use a Second Personal Computer................................. 25.3 6.9 2.0 4.9

Type of PC

Desk-top Model......................................................... 15.8 4.3 1.2 3.1

Lap-top Model............................................................ 9.4 2.5 0.8 1.8

Hours Turned on Per Week

Less than 2 Hours..................................................... 8.2 2.1 0.6 1.5

2 to 15 Hours............................................................. 9.9 2.9 0.8 2.2

16 to 40 Hours........................................................... 3.2 0.8 0.3 0.5

41 to 167 Hours......................................................... 1.2 0.4 Q 0.3

On All the Time.......................................................... 2.8 0.6 Q 0.5

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC14.12 Home Electronics Usage Indicators by West Census Region, 2005

West Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

West Mountain Pacific

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC14.12 Home Electronics Usage Indicators by West Census Region, 2005

West Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

West Mountain Pacific

Status of PC When Not in Use

Left On...................................................................... 3.2 0.9 0.3 0.7

Completely Turned Off.............................................. 17.8 5.0 1.4 3.6

Manually Put into Sleep Mode................................... 4.2 1.0 0.3 0.7

CPU Goes to Sleep When PC is Left On

Yes........................................................................ 2.2 0.8 Q 0.6

No.......................................................................... 1.0 Q Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)......................................... 11.6 2.9 0.8 2.1

Flat-Panel LCD...................................................... 4.2 1.4 0.4 1.0

Laptop (Flat-panel LCD)............................................ 9.0 2.4 0.7 1.7

Monitor Goes to Sleep When Not in Use

Screen-Saver............................................................ 1.7 0.5 Q 0.4

Automatic Sleep Mode.............................................. 1.0 0.3 Q Q

Monitor is Turned Off................................................. 0.5 Q Q Q

Use of Internet

Have Access to Internet

Yes............................................................................ 66.9 16.0 4.7 11.3

Dial-up (phone)...................................................... 26.8 5.4 1.8 3.6

DSL....................................................................... 19.1 5.4 1.3 4.1

Cable Modem........................................................ 20.8 5.1 1.5 3.6

No............................................................................. 8.7 1.9 0.7 1.2

Status of DSL Connection When Not in Use e

Turned Off............................................................. 5.0 1.1 0.3 0.9

Left On................................................................... 14.2 4.3 1.0 3.2

Status of Cable Modem When Not in Use

Turned Off............................................................. 4.1 0.9 0.2 0.6

Left On................................................................... 16.7 4.2 1.3 3.0

Have a Wireless Router

Yes........................................................................ 2.4 0.6 Q 0.4

No.......................................................................... 12.7 3.7 1.0 2.6

No DSL or Modem Connection.............................. 27.0 5.5 1.9 3.6

Primary Use of PC(s) 

Personal Use................................................................ 39.8 9.0 2.6 6.4

Recreation..................................................................... 14.4 2.5 0.8 1.7

Education/School.......................................................... 10.3 3.0 0.8 2.2

Home Business............................................................. 7.6 2.2 0.7 1.4

Telecommuting............................................................. 3.5 1.2 0.3 0.9

Telecommuting by Personal Computer

1 or 2 Days per Week................................................... 0.8 0.3 Q 0.3

3 to 5 Days per Week.................................................... 1.3 0.5 Q 0.4

More than 5 Days per Week.......................................... 1.4 0.3 Q 0.2

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC14.12 Home Electronics Usage Indicators by West Census Region, 2005

West Census Region

U.S.

Housing

Units

(millions)

Census Division

Total

West Mountain Pacific

PC Printer........................................................................ 65.4 15.7 4.6 11.1

With Built-in Fax/Copier................................................ 27.7 7.0 2.1 4.8

Without Built-in Fax/Copier............................................ 37.8 8.8 2.5 6.3

Use a Color Television Set................................................. 109.7 23.8 7.4 16.4

Weekday Hours Turned on per Day

Less than 1 Hour........................................................... 6.2 1.5 0.4 1.1

1 to 3 Hours.................................................................. 49.1 11.8 3.8 8.0

Most of the Day............................................................. 46.0 9.0 2.9 6.1

On All the Time............................................................. 8.4 1.5 0.4 1.1

No Television................................................................ 1.4 0.4 Q Q

Weekend Hours Turned on per Day

Less than 1 Hour........................................................... 7.3 1.6 0.5 1.1

1 to 3 Hours.................................................................. 35.9 9.0 2.9 6.0

Most of the Day............................................................. 56.4 11.6 3.6 8.0

On All the Time............................................................. 10.1 1.7 0.4 1.3

No Television................................................................ 1.4 0.4 Q Q

TV-Based Game System Usage per Week

Use a TV-Based Game System.................................... 34.7 7.4 2.5 4.9

Less than 5 Hours..................................................... 19.9 4.3 1.6 2.7

5 to 10 Hours............................................................. 8.9 1.7 0.5 1.3

11 to 15 hours........................................................... 2.4 0.7 0.2 0.5

16 to 20 Hours........................................................... 1.5 0.3 Q Q

More than 20 Hours................................................... 2.1 0.4 Q 0.2

Do Not Use a TV-Based Game System........................ 75.0 16.5 4.9 11.5

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Total......................................................................................... 111.1 7.1 7.0 8.0 12.1

Personal Computers

Do Not Use a Personal Computer...................................... 35.5 3.0 2.0 2.7 3.1

Use a Personal Computer.................................................. 75.6 4.2 5.0 5.3 9.0

Most-Used Personal Computer

Type of PC

Desk-top Model............................................................. 58.6 3.2 3.9 4.0 6.7

Laptop Model................................................................. 16.9 1.0 1.1 1.3 2.4

Hours Turned on Per Week

Less than 2 Hours......................................................... 13.6 0.7 0.9 0.9 1.4

2 to 15 Hours................................................................. 29.1 1.7 2.1 1.9 3.4

16 to 40 Hours............................................................... 13.5 0.9 0.9 0.9 1.8

41 to 167 Hours............................................................. 6.3 0.5 Q 0.4 1.1

On All the Time.............................................................. 13.0 0.3 0.8 1.3 1.3

Status of PC When Not Being Used

Left On........................................................................... 12.5 0.5 0.8 0.9 1.6

Completely Turned Off................................................... 43.6 2.5 3.4 3.0 5.3

Manually Put into Sleep Mode....................................... 19.4 1.1 0.9 1.5 2.1

CPU Goes to Sleep When PC is Left On

Yes............................................................................ 9.1 0.3 0.5 0.6 1.3

No.............................................................................. 3.4 Q Q Q 0.3

Type of Monitor Used

Desk-top

CRT (Standard Monitor)............................................. 45.0 2.3 2.5 3.1 4.8

Flat-Panel LCD.......................................................... 13.6 0.9 1.4 1.0 1.9

Laptop (Flat-panel LCD)................................................ 16.9 1.0 1.1 1.3 2.4

Status of Monitor When Not in Use

Screen-Saver................................................................. 6.1 0.3 0.4 0.5 0.9

Automatic Sleep Mode................................................... 4.4 Q Q Q 0.5

Monitor is Turned Off..................................................... 2.0 Q Q Q 0.3

Second Most-Used Personal Computer

Use a Second Personal Computer..................................... 25.3 1.0 1.6 1.9 3.7

Type of PC

Desk-top Model............................................................. 15.8 0.7 0.9 1.1 2.3

Lap-top Model................................................................ 9.4 0.3 0.6 0.8 1.3

Hours Turned on Per Week

Less than 2 Hours......................................................... 8.2 Q 0.6 0.8 1.0

2 to 15 Hours................................................................. 9.9 0.3 0.4 0.5 1.6

16 to 40 Hours............................................................... 3.2 0.3 Q 0.3 0.4

41 to 167 Hours............................................................. 1.2 Q N Q Q

On All the Time.............................................................. 2.8 N Q Q 0.4

U.S. Census Region

Northeast Midwest South West

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC15.12 Home Electronics Usage Indicators by Four Most Populated States, 2005

Housing

Units 

(millions)

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
U.S. Census Region

Northeast Midwest South West

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC15.12 Home Electronics Usage Indicators by Four Most Populated States, 2005

Housing

Units 

(millions)

Status of PC When Not in Use

Left On........................................................................... 3.2 Q Q Q 0.5

Completely Turned Off................................................... 17.8 0.9 1.1 1.2 2.6

Manually Put into Sleep Mode....................................... 4.2 Q Q 0.5 0.5

CPU Goes to Sleep When PC is Left On

Yes............................................................................ 2.2 Q Q Q 0.4

No.............................................................................. 1.0 N Q Q Q

Type of Monitor Used

Desk-top

CRT (Standard Monitor)............................................. 11.6 0.4 0.8 0.8 1.5

Flat-Panel LCD.......................................................... 4.2 0.3 Q Q 0.8

Laptop (Flat-panel LCD)................................................ 9.0 0.3 0.6 0.7 1.3

Monitor Goes to Sleep When Not in Use

Screen-Saver................................................................. 1.7 Q Q Q 0.3

Automatic Sleep Mode................................................... 1.0 N Q Q Q

Monitor is Turned Off..................................................... 0.5 N Q Q Q

Use of Internet

Have Access to Internet

Yes................................................................................ 66.9 3.7 4.5 4.8 8.2

Dial-up (phone).......................................................... 26.8 1.2 1.7 1.6 2.5

DSL............................................................................ 19.1 0.9 1.4 1.8 3.1

Cable Modem............................................................. 20.8 1.7 1.4 1.4 2.6

No.................................................................................. 8.7 0.4 0.5 0.5 0.9

Status of DSL Connection When Not in Use

Turned Off.................................................................. 5.0 0.5 0.5 0.4 0.7

Left On....................................................................... 14.2 0.4 0.9 1.3 2.4

Status of Cable Modem When Not in Use

Turned Off.................................................................. 4.1 0.3 0.4 Q 0.4

Left On....................................................................... 16.7 1.4 1.0 1.1 2.2

Have a Wireless Router

Yes............................................................................ 2.4 QQQQ

No.............................................................................. 12.7 0.5 0.8 1.1 2.1

No DSL or Modem Connection................................... 27.0 1.1 1.7 1.7 2.5

Primary Use of PC(s) 

Personal Use..................................................................... 39.8 2.7 2.7 3.4 4.7

Recreation......................................................................... 14.4 0.6 0.6 0.8 1.0

Education/School.............................................................. 10.3 0.5 0.9 0.5 1.8

Home Business................................................................. 7.6 0.3 0.6 0.5 1.0

Telecommuting.................................................................. 3.5 Q Q Q 0.5

Telecommuting by Personal Computer

1 or 2 Days per Week........................................................ 0.8 N Q Q Q

3 to 5 Days per Week........................................................ 1.3 QQQQ

More than 5 Days per Week.............................................. 1.4 QQQQ

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
U.S. Census Region

Northeast Midwest South West

 Million U.S. Housing Units

Home Electronics Usage Indicators

Table HC15.12 Home Electronics Usage Indicators by Four Most Populated States, 2005

Housing

Units 

(millions)

PC Printer............................................................................ 65.4 3.3 4.3 4.5 7.9

With Built-in Fax/Copier..................................................... 27.7 1.3 2.0 2.3 3.4

Without Built-in Fax/Copier................................................ 37.8 2.0 2.3 2.3 4.4

Use a Color Television Set..................................................... 109.7 6.9 7.0 7.8 12.0

Weekday Hours Turned on per Day

Less than 1 Hour............................................................... 6.2 0.5 Q 0.3 0.7

1 to 3 Hours....................................................................... 49.1 3.3 2.9 3.1 6.0

Most of the Day................................................................. 46.0 2.9 3.5 3.4 4.4

On All the Time................................................................. 8.4 0.3 0.4 0.9 0.8

No Television.................................................................... 1.4 QQQQ

Weekend Hours Turned on per Day

Less than 1 Hour............................................................... 7.3 0.5 Q 0.4 1.0

1 to 3 Hours....................................................................... 35.9 2.9 2.2 2.4 4.4

Most of the Day................................................................. 56.4 3.2 3.9 4.1 5.6

On All the Time................................................................. 10.1 0.3 0.6 0.9 1.0

No Television.................................................................... 1.4 QQQQ

TV-Based Game System Usage per Week

Use a TV-Based Game System........................................ 34.7 1.6 2.2 3.0 3.8

Less than 5 Hours......................................................... 19.9 0.8 1.5 1.9 2.0

5 to 10 Hours................................................................. 8.9 0.4 0.5 0.8 0.9

11 to 15 hours................................................................ 2.4 Q Q Q 0.4

16 to 20 Hours............................................................... 1.5 QQQQ

More than 20 Hours....................................................... 2.1 Q Q Q 0.2

Do Not Use a TV-Based Game System............................ 75.0 5.3 4.8 4.8 8.2

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were 

sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration:

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables