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.