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Table B32. Water-heating energy sources, floorspace, 2012

Released: May 2016

Total floorspace (million square feet)
Buildings with water heating Water-heating energy sources used (more than one may apply)
  All
buildings		 Electricity Natural
gas		 Fuel oil District
heat		 Propane
All buildings 87,093 79,015 42,755 39,523 1,911 4,551 1,575
Building floorspace (square feet)              
1,001 to 5,000 8,041 6,102 3,881 2,081 Q Q 171
5,001 to 10,000 8,900 7,236 4,348 2,809 Q Q 321
10,001 to 25,000 14,105 12,401 6,926 5,657 Q Q 376
25,001 to 50,000 11,917 11,007 5,975 5,643 Q Q Q
50,001 to 100,000 13,918 13,063 6,672 7,528 Q 425 Q
100,001 to 200,000 12,415 11,903 6,162 6,819 238 965 Q
200,001 to 500,000 10,724 10,351 5,005 5,995 370 1,318 Q
Over 500,000 7,074 6,951 3,786 2,990 215 1,652 Q
Principal building activity              
Education 12,239 11,905 4,160 7,712 638 842 Q
Food sales 1,252 1,252 776 672 Q N Q
Food service 1,819 1,817 750 1,026 Q Q 135
Health care 4,155 4,153 1,309 2,587 345 576 Q
Inpatient 2,374 2,374 401 1,688 248 489 Q
Outpatient 1,781 1,779 908 899 Q Q Q
Lodging 5,826 5,821 1,122 4,267 Q 573 Q
Mercantile 11,330 10,960 8,922 5,490 Q Q Q
Retail (other than mall) 5,439 5,070 3,721 1,642 Q Q Q
Enclosed and strip malls 5,890 5,890 5,201 3,848 Q Q Q
Office 15,952 15,663 9,572 6,015 Q 1,368 Q
Public assembly 5,559 5,318 2,094 2,813 Q 742 Q
Public order and safety 1,440 1,341 635 742 Q Q Q
Religious worship 4,557 4,337 2,481 1,962 Q N Q
Service 4,630 3,763 2,303 1,416 Q Q Q
Warehouse and storage 13,077 10,041 7,195 3,545 Q N Q
Other 2,002 1,614 1,019 694 Q Q Q
Vacant 3,256 1,031 417 582 Q Q Q
Year constructed              
Before 1920 3,983 3,403 1,858 1,274 Q 369 Q
1920 to 1945 6,025 5,299 2,357 2,362 Q 847 Q
1946 to 1959 7,381 6,410 2,829 3,659 299 287 Q
1960 to 1969 10,362 9,699 4,423 5,654 366 828 Q
1970 to 1979 10,846 10,158 4,854 5,625 Q 718 Q
1980 to 1989 15,230 13,831 8,845 6,263 Q 200 312
1990 to 1999 13,803 12,209 6,946 6,084 Q 442 334
2000 to 2003 7,215 6,889 4,066 3,131 Q Q Q
2004 to 2007 6,524 5,955 3,725 2,837 Q Q Q
2008 to 2012 5,723 5,162 2,852 2,635 Q Q Q
Census region and division              
Northeast 15,534 14,633 6,561 7,533 1,401 1,641 389
New England 4,302 3,915 1,939 1,492 693 Q 233
Middle Atlantic 11,232 10,718 4,622 6,042 708 1,383 Q
Midwest 18,919 17,592 7,934 10,615 Q 767 392
East North Central 12,742 12,082 4,914 7,910 Q 470 Q
West North Central 6,178 5,510 3,020 2,705 Q Q 251
South 34,279 30,261 19,449 12,258 Q 1,568 534
South Atlantic 17,981 16,144 11,163 5,651 Q 944 353
East South Central 4,904 4,598 2,900 2,103 Q Q Q
West South Central 11,394 9,519 5,386 4,504 Q Q Q
West 18,360 16,529 8,811 9,116 Q 575 260
Mountain 4,981 4,440 2,000 2,665 Q Q Q
Pacific 13,379 12,089 6,810 6,452 Q 243 Q
Climate region1              
Very cold/Cold 31,898 29,567 13,252 16,960 1,111 1,515 768
Mixed-humid 27,873 25,772 14,954 11,896 711 2,304 482
Mixed-dry/Hot-dry 12,037 10,585 5,678 5,927 Q Q Q
Hot-humid 12,831 10,837 7,690 3,447 Q Q Q
Marine 2,454 2,255 1,180 1,294 Q Q N
Number of workers (main shift)              
Fewer than 5 17,751 11,783 6,498 4,706 319 Q 512
5 to 9 8,973 8,205 4,882 3,280 Q Q 289
10 to 19 9,623 9,137 4,980 4,518 Q Q 210
20 to 49 14,514 14,097 7,767 7,529 Q 331 Q
50 to 99 13,476 13,171 7,104 7,742 Q 409 Q
100 to 249 10,941 10,912 5,572 6,380 347 961 Q
250 or more 11,815 11,711 5,951 5,367 332 2,581 Q
Weekly operating hours              
Fewer than 40 8,220 5,137 2,681 2,427 Q Q Q
40 to 48 15,828 14,388 8,295 6,420 418 Q 220
49 to 60 20,529 18,878 10,853 8,403 Q 941 313
61 to 84 15,867 15,304 9,918 7,825 Q 501 243
85 to 167 9,395 8,937 4,695 5,011 Q 488 Q
Open continuously 17,253 16,371 6,313 9,437 544 2,337 445
Ownership and occupancy              
Nongovernment owned 67,550 60,645 35,729 28,106 1,108 2,566 1,179
Owner occupied 30,637 27,869 13,903 13,220 757 1,593 849
Leased to tenant(s) 26,115 23,900 16,509 10,578 Q 456 195
Owner occupied and leased 8,873 8,544 5,232 4,063 Q 517 Q
Unoccupied 1,925 332 Q Q N N Q
Government owned 19,543 18,370 7,025 11,417 804 1,986 396
Federal 1,573 1,565 667 628 Q 691 Q
State 5,539 5,270 1,907 3,096 Q 1,010 Q
Local 12,431 11,535 4,452 7,693 607 285 Q
Energy sources
(more than one may apply)		              
Electricity 84,869 79,015 42,755 39,523 1,911 4,551 1,575
Natural gas 58,725 57,019 24,822 39,523 656 2,204 Q
Fuel oil 20,200 19,708 9,324 9,484 1,911 2,498 353
District heat 5,964 5,822 1,857 834 Q 4,551 Q
District chilled water 4,608 4,511 1,381 1,155 Q 2,783 N
Propane 7,706 7,383 3,982 2,110 824 Q 1,575
Other 3,826 3,679 1,875 1,782 Q Q Q
Primary space-heating
energy source		              
Electricity 26,205 24,862 19,438 7,239 Q Q 370
Natural gas 42,988 41,377 17,136 30,635 436 Q Q
Fuel oil 2,542 2,362 1,214 Q 1,220 N Q
District heat 5,797 5,655 1,781 822 Q 4,451 N
Propane 1,948 1,819 930 Q N N 973
Other 598 508 301 Q Q N Q
Cooking energy sources
(more than one may apply)		            
Electricity 25,151 25,034 13,898 13,806 876 1,832 524
Natural gas 24,770 24,735 10,836 18,986 513 1,347 Q
Propane 2,001 1,997 923 199 548 N 793
Energy end uses
(more than one may apply)		              
Buildings with space heating 80,078 76,584 40,801 39,083 1,805 4,551 1,478
Buildings with cooling 79,294 76,414 41,520 38,464 1,705 4,527 1,413
Buildings with water heating 79,015 79,015 42,755 39,523 1,911 4,551 1,575
Buildings with cooking 38,546 38,389 18,787 23,232 1,412 2,584 976
Buildings with manufacturing 5,078 4,570 2,952 1,929 Q Q Q
Buildings with electricity
generation		 25,642 25,280 11,460 14,319 964 3,078 488
Water-heating equipment              
Centralized system 47,534 47,534 21,435 24,806 1,318 3,002 1,006
Distributed system 12,688 12,688 9,362 4,088 Q 325 Q
Combination of centralized and distributed system 18,793 18,793 11,957 10,629 467 1,224 348
1These climate regions were created by the Building America program, sponsored by the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE).
Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 20 buildings were sampled.
N = No cases in reporting sample.
Notes: • Because of rounding, data may not sum to totals. • See Guide to the 2012 CBECS Detailed Tables or CBECS Terminology for definition of terms used in these tables and/or comparison of differences with prior CBECS tables. Both references can be accessed from http://www.eia.gov/consumption/commercial/data/2012/
Source: U.S. Energy Information Administration, Office of Energy Consumption and Efficiency Statistics, Form EIA-871A of the 2012 Commercial Buildings Energy Consumption Survey.