Electricity Natural Gas Fuel Oil District Heat Propane

All Buildings ............................................... 67,338 56,115 24,171 29,196 2,218 4,182 1,371

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6,774 4,280 2,307 1,719 Q Q Q

5,001 to 10,000 ............................................ 8,238 5,748 2,287 3,204 Q Q Q

10,001 to 25,000 .......................................... 11,153 9,000 4,220 4,221 224 164 493

25,001 to 50,000 .......................................... 9,311 8,088 3,175 4,602 304 471 Q

50,001 to 100,000 ........................................ 10,112 8,887 3,590 4,924 351 613 Q

100,001 to 200,000 ...................................... 8,271 7,527 2,970 4,344 Q 732 Q

200,001 to 500,000 ...................................... 6,851 6,258 2,073 3,446 437 758 Q

Over 500,000 ............................................... 6,628 6,327 3,551 2,736 Q 1,295 N

Principal Building Activity

Education .................................................... 8,651 8,059 1,996 4,938 831 882 Q

Food Sales .................................................. 994 951 284 592 Q Q Q

Food Service ............................................... 1,851 1,846 509 1,277 Q Q Q

Health Care ................................................. 2,918 2,903 619 1,649 219 713 Q

 Inpatient ..................................................... 1,865 1,862 Q 1,165 206 628 N

 Outpatient .................................................. 1,053 1,040 478 484 Q Q Q

Lodging ........................................................ 4,521 4,442 745 3,152 Q 536 251

Mercantile .................................................... 10,398 8,698 5,959 3,811 Q N Q

 Retail (Other Than Mall) ............................ 4,766 3,453 1,937 1,519 Q N Q

 Enclosed and Strip Malls ........................... 5,631 5,244 4,022 2,293 Q N Q

Office ........................................................... 12,044 10,872 5,771 4,460 284 953 Q

Public Assembly .......................................... 4,393 3,893 1,295 2,061 Q 597 Q

Public Order and Safety .............................. 1,168 830 Q 454 Q Q Q

Religious Worship ....................................... 3,405 3,109 1,109 1,812 Q Q Q

Service ........................................................ 3,388 2,351 1,353 978 Q Q Q

Warehouse and Storage ............................. 10,477 6,743 3,950 3,145 Q Q N

Other ............................................................ 1,222 983 269 569 Q Q N

Vacant ......................................................... 1,908 436 Q 298 Q N Q

Year Constructed

1919 or Before ............................................. 4,034 3,130 1,034 1,848 187 256 Q

1920 to 1945 ................................................ 6,445 4,644 1,551 2,516 Q 627 Q

1946 to 1959 ................................................ 9,127 7,154 2,235 4,047 578 813 Q

1960 to 1969 ................................................ 10,866 9,421 3,438 5,390 424 1,029 Q

1970 to 1979 ................................................ 11,840 10,182 4,981 4,701 322 574 Q

1980 to 1989 ................................................ 13,931 12,137 6,533 5,483 303 507 Q

1990 to 1999 ................................................ 11,094 9,446 4,399 5,211 Q 377 Q

Census Region

Northeast ..................................................... 12,360 10,577 4,485 4,074 1,678 1,300 561

Midwest ....................................................... 16,761 13,702 4,633 8,323 Q 1,219 428

South ........................................................... 23,485 19,014 10,480 8,943 328 863 Q

West ............................................................ 14,731 12,822 4,574 7,856 Q 799 Q

Workers (main shift)

Fewer than 5 ................................................ 14,321 8,401 3,332 4,426 Q 288 438

5 to 9 ............................................................ 6,325 5,145 2,094 2,666 Q Q Q

10 to 19 ........................................................ 8,028 7,000 3,354 3,435 Q 305 Q

20 to 49 ........................................................ 10,814 9,445 3,905 5,161 365 370 Q

50 to 99 ........................................................ 8,898 8,166 3,558 4,525 375 439 Q

100 to 249 .................................................... 8,356 7,760 3,056 4,239 422 803 Q

250 or More ................................................. 10,595 10,199 4,874 4,743 546 1,810 Q

Table B26. Water-Heating Energy Sources, Floorspace, 1999

Total Floorspace (million square feet)

All

Buildings

All Buildings 

with Water 

Heating

Water-Heating Energy Sources Used 

(more than one may apply)

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 83
Electricity Natural Gas Fuel Oil District Heat Propane

Table B26. Water-Heating Energy Sources, Floorspace, 1999

Total Floorspace (million square feet)

All

Buildings

All Buildings 

with Water 

Heating

Water-Heating Energy Sources Used 

(more than one may apply)

Weekly Operating Hours

39 or Fewer ................................................. 6,596 3,340 1,148 1,851 Q Q Q

40 to 48 ........................................................ 13,105 10,049 4,793 4,885 338 395 Q

49 to 60 ........................................................ 14,200 12,280 6,003 5,728 369 523 282

61 to 84 ........................................................ 12,458 11,334 5,919 5,481 403 685 Q

85 to 167 ...................................................... 9,116 8,041 3,310 4,343 Q 690 Q

Open Continuously ...................................... 11,863 11,070 2,998 6,907 504 1,876 268

Energy Sources (more than

one may apply)

Electricity ..................................................... 65,716 56,115 24,171 29,196 2,218 4,182 1,371

Natural Gas ................................................. 45,525 41,366 13,914 29,196 959 1,829 Q

Fuel Oil ........................................................ 13,285 11,852 5,017 5,148 2,218 1,343 Q

District Heat ................................................. 5,891 5,301 1,090 675 Q 4,182 Q

District Chilled Water ................................... 2,750 2,455 447 498 Q 1,729 Q

Propane ....................................................... 6,290 5,409 2,806 1,173 906 Q 1,371

Other ............................................................ 2,322 1,887 978 1,116 Q Q Q

Primary Space Heating

Energy Source

Electricity ..................................................... 17,627 15,562 11,461 4,830 Q Q 288

Natural Gas ................................................. 32,729 29,379 8,940 22,589 451 Q N

Fuel Oil ........................................................ 3,719 3,085 1,021 437 1,639 Q Q

District Heat ................................................. 5,077 4,519 690 517 Q 3,776 N

Propane ....................................................... 2,107 1,454 824 N Q N 642

Other ............................................................ 343 Q Q Q Q N Q

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 13,733 13,136 6,559 6,875 811 979 554

Natural Gas ................................................. 16,785 16,431 5,166 11,979 654 1,235 Q

Propane ....................................................... 1,754 1,635 857 Q 436 Q 373

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 61,602 54,204 23,070 28,479 2,206 4,162 1,227

Buildings with Cooling ................................. 58,474 52,589 23,177 27,461 1,890 3,723 1,141

Buildings with Water Heating ...................... 56,115 56,115 24,171 29,196 2,218 4,182 1,371

Buildings with Cooking ................................ 24,681 23,830 9,556 14,020 1,423 1,791 778

Buildings with Manufacturing ....................... 3,126 2,364 1,016 1,443 Q Q Q

Buildings with Electricity

 Generation .................................................. 11,882 11,079 5,163 5,737 710 1,575 Q

Water Heating Equipment

Centralized System ..................................... 35,579 35,579 12,585 19,755 1,534 2,715 1,020

Distributed System ...................................... 10,899 10,899 7,068 4,032 Q 566 Q

Combination of Centralized

 and Distributed System .............................. 9,637 9,637 4,519 5,409 498 901 Q

Q=Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

N=No responding cases in sample.

Note: Due to rounding, data may not sum to totals.

Source: Energy Information Administration, Office of Energy Markets and End Use, Form EIA 871A of the 1999 Commercial Buildings Energy Consumption 

Survey.

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 84