Released: June 2006
Next CBECS will be conducted in 2007

Table B23.  Energy Sources, Floorspace for Non-Mall Buildings, 2003
  Total Floorspace (million square feet)
All
Buildings*
Buildings
Using
Any
Energy
Source
Energy Sources Used (more than one may apply)
Elec-
tricity
Natural
Gas
Fuel
Oil
District
Heat
District
Chilled
Water
Propane Other a 
All Buildings* ............................... 64,783 63,343 63,307 43,468 15,157 5,443 2,853 7,076 1,401
Building Floorspace
(Square Feet)
1,001 to 5,000 ................................ 6,789 6,362 6,346 3,084 600 Q Q 806 199
5,001 to 10,000 .............................. 6,585 6,212 6,197 3,692 716 Q Q 725 Q
10,001 to 25,000 ............................ 11,535 11,370 11,370 7,053 966 289 Q 1,014 Q
25,001 to 50,000 ............................ 8,668 8,385 8,385 6,025 825 369 240 638 Q
50,001 to 100,000 .......................... 9,057 9,031 9,031 6,683 1,740 574 332 925 Q
100,001 to 200,000 ........................ 9,064 9,018 9,018 6,645 2,927 1,399 793 989 Q
200,001 to 500,000 ........................ 7,176 7,056 7,051 5,679 3,400 1,018 495 1,165 Q
Over 500,000 ................................. 5,908 5,908 5,908 4,606 3,981 1,693 822 Q Q
Principal Building Activity
Education ....................................... 9,874 9,874 9,871 7,045 1,864 1,145 768 855 Q
Food Sales ..................................... 1,255 1,255 1,237 747 Q N N Q Q
Food Service ................................. 1,654 1,654 1,654 1,396 Q Q Q 220 Q
Health Care .................................... 3,163 3,163 3,163 2,544 1,882 493 297 397 Q
  Inpatient ....................................... 1,905 1,905 1,905 1,805 1,683 436 279 329 Q
  Outpatient .................................... 1,258 1,258 1,258 739 199 Q Q Q N
Lodging .......................................... 5,096 5,096 5,096 4,256 2,193 345 Q 614 Q
Retail (Other Than Mall).................. 4,317 4,317 4,317 2,866 501 Q Q 382 Q
Office ............................................. 12,208 12,208 12,208 8,208 4,075 1,569 730 368 272
Public Assembly ............................ 3,939 3,935 3,935 2,723 939 547 458 393 Q
Public Order and Safety ................ 1,090 1,090 1,090 637 620 Q Q Q Q
Religious Worship .......................... 3,754 3,754 3,754 2,629 453 Q Q 381 N
Service .......................................... 4,050 3,982 3,982 2,496 626 Q N 557 402
Warehouse and Storage ............... 10,078 9,425 9,425 5,494 1,268 Q Q 2,217 Q
Other .............................................. 1,738 1,738 1,729 1,252 454 Q Q Q Q
Vacant ........................................... 2,567 1,852 1,846 1,176 Q Q Q Q Q
Year Constructed
Before 1920 ................................... 3,769 3,732 3,730 2,759 961 294 Q 338 Q
1920 to 1945 .................................. 6,871 6,597 6,595 4,679 1,986 1,207 Q 961 Q
1946 to 1959 .................................. 7,045 6,840 6,838 4,659 2,048 705 359 726 Q
1960 to 1969 .................................. 8,101 8,057 8,057 5,635 1,685 853 446 746 281
1970 to 1979 .................................. 10,772 10,558 10,555 7,659 2,187 588 456 1,222 401
1980 to 1989 .................................. 10,332 10,163 10,154 6,469 3,079 888 531 922 Q
1990 to 1999 .................................. 12,360 12,096 12,078 8,177 2,086 705 804 1,428 Q
2000 to 2003 .................................. 5,533 5,299 5,299 3,431 1,125 Q Q 733 Q
Census Region
Northeast ....................................... 12,905 12,809 12,809 9,181 6,080 1,363 620 1,354 222
Midwest ......................................... 17,080 16,729 16,701 13,163 2,832 1,648 596 2,189 505
South ............................................. 23,489 22,774 22,766 13,311 4,122 1,766 1,150 2,360 306
West .............................................. 11,310 11,030 11,030 7,813 2,123 667 487 1,173 367
Climate Zone: 30-Year Average
Under 2,000 CDD and --
  More than 7,000 HDD ................... 10,622 10,404 10,393 7,645 2,499 825 350 1,607 483
  5,500-7,000 HDD ......................... 17,335 17,091 17,076 12,850 4,052 1,784 698 2,036 378
  4,000-5,499 HDD ......................... 11,504 11,381 11,375 8,113 4,628 1,349 514 1,102 268
  Fewer than 4,000 HDD ................ 15,739 15,172 15,172 10,509 2,337 1,025 659 1,403 223
2,000 CDD or More and --
  Fewer than 4,000 HDD ................ 9,584 9,295 9,290 4,350 1,642 460 633 928 Q
Number of Workers (main shift)
Fewer than 5 ................................. 15,492 14,097 14,061 7,023 1,459 853 Q 2,092 307
5 to 9 .............................................. 6,166 6,147 6,147 4,084 625 Q Q 564 Q
10 to 19 .......................................... 7,803 7,803 7,803 5,317 1,024 Q Q 907 Q
20 to 49 .......................................... 10,989 10,962 10,962 8,212 1,602 667 327 907 319
50 to 99 .......................................... 7,934 7,934 7,934 6,156 2,131 474 505 956 Q
100 to 249 ...................................... 6,871 6,871 6,871 5,127 2,149 1,050 583 661 Q
250 or More ................................... 9,528 9,528 9,528 7,549 6,168 2,191 1,219 989 205
Weekly Operating Hours
Fewer than 40 ............................... 6,863 5,934 5,900 3,259 576 Q Q 692 Q
40 to 48 .......................................... 11,622 11,571 11,571 6,913 1,994 493 Q 942 238
49 to 60 .......................................... 15,723 15,705 15,702 10,191 3,015 1,590 658 2,034 313
61 to 84 .......................................... 10,334 10,312 10,312 7,468 2,089 785 347 927 Q
85 to 167 ........................................ 7,092 6,941 6,941 5,225 1,508 790 604 973 Q
Open Continuously ........................ 13,149 12,881 12,881 10,411 5,976 1,605 753 1,508 399
Ownership and Occupancy
Nongovernment Owned ................ 49,421 48,043 48,012 33,317 11,374 2,148 1,069 5,280 1,033
  Owner Occupied ......................... 23,591 23,478 23,454 16,548 6,092 1,421 711 2,481 611
  Nonowner Occupied ................... 23,914 23,263 23,258 15,886 5,215 698 323 2,639 396
  Unoccupied .................................. 1,916 1,301 1,299 883 Q Q Q Q Q
Government Owned ...................... 15,363 15,300 15,295 10,150 3,783 3,295 1,785 1,796 368
  Federal ......................................... 1,956 1,956 1,951 1,083 381 Q 247 Q Q
  State ............................................ 3,808 3,786 3,786 2,438 962 1,694 1,051 Q Q
  Local ............................................ 9,599 9,558 9,558 6,630 2,441 653 487 1,030 Q
Vacancy Status
Completely Vacant ......................... 2,161 1,495 1,489 933 Q Q Q Q Q
Mostly Vacant ................................ 406 Q Q Q Q N N Q N
Partially Vacant .............................. 12,382 12,201 12,199 8,446 4,346 1,483 681 1,199 274
Not At All Vacant ........................... 49,834 49,289 49,262 33,845 10,718 3,834 2,138 5,653 1,101
Energy Sources (more than
one may apply)
Electricity ....................................... 63,307 63,307 63,307 43,461 15,142 5,443 2,853 7,067 1,380
Natural Gas .................................... 43,468 43,468 43,461 43,468 10,383 2,444 1,765 2,470 903
Fuel Oil ........................................... 15,157 15,157 15,142 10,383 15,157 1,731 986 2,139 359
District Heat ................................... 5,443 5,443 5,443 2,444 1,731 5,443 2,311 Q Q
District Chilled Water ...................... 2,853 2,853 2,853 1,765 986 2,311 2,853 Q Q
Propane ......................................... 7,076 7,076 7,067 2,470 2,139 Q Q 7,076 234
Other .............................................. 1,401 1,401 1,380 903 359 Q Q 234 1,401
Energy End Uses (more than
one may apply)
Buildings with Space Heating ........ 60,028 60,028 59,991 42,974 14,942 5,378 2,734 6,790 1,399
Buildings with Cooling .................... 56,940 56,940 56,925 41,023 13,890 4,653 2,853 5,713 1,225
Buildings with Water Heating ......... 56,478 56,478 56,463 41,134 14,560 4,631 2,655 6,292 1,306
Buildings with Cooking ................... 22,237 22,237 22,237 18,656 8,987 1,926 1,274 2,673 599
Buildings with Manufacturing ........ 3,138 3,138 3,138 2,301 1,008 Q Q 1,044 Q
Buildings with Electricity
 Generation .................................... 12,821 12,821 12,821 10,402 9,867 2,121 1,272 1,454 467
Energy-Related Space Functions
(more than one may apply)
Commercial Food Preparation ........ 22,223 22,223 22,223 18,644 8,987 1,926 1,274 2,659 599
Activities with Large
 Amounts of Hot Water .................. 19,482 19,482 19,482 16,023 7,690 2,259 1,198 2,305 633
Separate Computer Area ............... 26,873 26,873 26,873 20,615 10,251 3,268 1,858 2,618 569
See "Guide to the Tables" or "Glossary" for further explanations of the terms used in this table. Both can be accessed from the CBECS web site - http://www.eia.gov/consumption/commercial/.
 * Figures in this table do not include enclosed malls and strip malls. Mall buildings add an estimated 213 thousand buildings comprising 6.9 billion square feet.
a  "Other" includes wood, coal, solar, and all other energy sources.
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 2003 Commercial Buildings Energy Consumption Survey.