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

 Million U.S. Housing Units

Home Electronics Usage Indicators

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Members

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

 Million U.S. Housing Units

Home Electronics Usage Indicators

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Members

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)........................................ 9.4 0.9 3.4 1.9 2.1 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

 Million U.S. Housing Units

Home Electronics Usage Indicators

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Members

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