Table L1. Floorspace Lit by Lighting Type for Non-Mall Buildings, 1995
  Floorspace (million square feet)
Total
(Lit or Unlit)
in All
Buildings
Total
(Lit or Unlit)
in Buildings
With Any
Lighting
Lighted
Area
Only
Area Lit by Each Type of Light
Incan-
descent
Standard Fluor-escent Compact Fluor-
escent
High Intensity Discharge Halogen
All Buildings*........................ 54,068 51,570 45,773 6,746 34,910 1,161 3,725 779
Building Floorspace
(Square Feet)
1,001 to 5,000....................... 6,272 5,718 4,824 986 3,767 50 22 54
5,001 to 10,000.................... 7,299 6,667 5,728 1,240 4,341 61 169 45
10,001 to 25,000.................. 10,829 10,350 8,544 1,495 6,442 154 553 Q
25,001 to 50,000.................. 7,170 7,022 6,401 789 5,103 151 485 86
50,001 to 100,000................ 7,317 7,158 6,490 709 5,122 150 580 96
100,001 to 200,000............. 6,124 5,916 5,578 731 4,050 182 669 132
200,001 to 500,000............. 5,173 5,124 4,841 551 3,647 261 565 148
Over 500,000........................ 3,885 3,615 3,367 244 2,438 152 683 58
Principal Building
Activity
Education.............................. 7,740 7,672 7,259 490 6,454 101 319 67
Food Sales............................ 642 642 595 21 552 Q Q Q
Food Service......................... 1,353 1,353 1,158 420 682 59 Q Q
Health Care........................... 2,333 2,333 2,212 172 1,970 99 28 34
Lodging.................................. 3,618 3,601 3,272 1,514 1,645 170 61 55
Retail (Other Than Mall)...... 4,423 4,377 3,945 518 3,222 82 223 87
Office...................................... 10,478 10,451 9,774 761 8,675 286 255 145
Public Assembly.................. 3,948 3,927 3,451 577 2,450 110 450 59
Public Order and Safety...... 1,271 1,271 1,167 Q 920 93 26 Q
Religious Worship............... 2,792 2,792 2,029 847 1,137 14 59 23
Service................................... 3,601 3,553 3,070 249 2,344 19 476 46
Warehouse and Storage.... 8,481 7,894 6,544 861 3,827 Q 1,638 215
Other....................................... 1,004 988 904 39 723 7 132 Q
Vacant.................................... 2,384 715 392 58 309 Q Q Q
Year Constructed
1919 or Before...................... 3,647 3,443 2,864 704 2,053 75 77 35
1920 to 1945......................... 6,607 5,921 4,686 827 3,447 Q 401 57
1946 to 1959......................... 8,806 8,405 7,380 1,018 5,842 121 535 79
1960 to 1969......................... 9,934 9,631 8,771 1,369 6,640 227 652 248
1970 to 1979......................... 9,912 9,701 8,833 1,034 7,021 217 676 139
1980 to 1989......................... 10,784 10,302 9,385 1,386 7,051 183 870 129
1990 to 1992......................... 2,399 2,338 2,184 225 1,690 94 247 56
1993 to 1995......................... 1,978 1,830 1,669 182 1,166 78 267 36
Census Region
Northeast .............................. 11,006 10,470 9,239 1,099 6,999 387 1,105 136
- New England ..................... 2,808 2,711 2,378 268 1,904 70 205 46
- Middle Atlantic ................... 8,198 7,758 6,861 831 5,095 316 900 90
Midwest ................................. 13,637 13,034 11,552 1,864 8,460 286 1,062 146
- East North Central ............ 9,318 8,984 7,828 1,364 5,578 214 738 106
- West North Central ........... 4,319 4,050 3,724 500 2,882 72 324 40
South ..................................... 18,598 17,595 15,584 2,470 11,931 255 1,009 351
- South Atlantic ..................... 8,177 7,832 7,079 978 5,508 153 447 216
- East South Central ........... 4,408 4,137 3,732 754 2,693 46 240 77
- West South Central .......... 6,013 5,625 4,773 738 3,730 56 322 58
West ...................................... 10,827 10,472 9,397 1,312 7,520 234 550 146
- Mountain ............................. 3,720 3,618 3,296 435 2,781 47 158 33
- Pacific ................................. 7,107 6,854 6,102 877 4,740 187 391 113
Weekly Operating Hours
39 or fewer............................ 6,134 4,224 3,499 1,170 2,164 23 175 40
40 to 48.................................. 12,876 12,722 10,874 1,084 8,730 173 898 242
49 to 60.................................. 11,583 11,474 10,121 1,191 8,256 240 587 129
61 to 84.................................. 7,554 7,506 6,792 776 5,451 187 483 108
85 to 167................................ 5,255 5,198 4,801 565 3,745 118 517 71
Open Continuously.............. 10,665 10,445 9,686 1,959 6,563 420 1,065 190
Percent Lit When Open
Zero........................................ 189 Q N Q Q N N Q
1 to 50................................... 5,895 5,895 1,870 515 1,243 66 64 23
51 to 99.................................. 9,031 9,031 7,306 1,064 5,672 163 556 90
100.......................................... 36,597 36,597 36,597 5,166 27,996 932 3,105 666
Building Not in Use/ 
 Electricity Not Used ........... 2,356 N N N N N N N
Percent Lit When Closed
Zero........................................ 12,657 12,514 10,297 1,982 7,374 Q 955 87
1 to 50.................................... 27,134 27,134 24,426 2,675 19,902 588 1,542 489
51 to 100................................ 1,488 1,488 1,372 130 1,079 40 164 13
Never closed......................... 10,434 10,434 9,678 1,959 6,556 420 1,065 190
Building Not in Use/ 
 Electricity Not Used ........... 2,356 N N N N N N N
Lighting Equipment Types
(more than one may apply)
Incandescent........................ 32,868 32,868 28,982 6,746 20,291 838 1,872 509
Standard Fluorescent......... 49,313 49,313 43,921 5,241 34,910 1,067 3,437 734
Compact Fluorescent......... 12,694 12,694 11,784 1,441 8,862 1,161 894 256
High Intensity Discharge.... 14,842 14,842 13,934 1,318 8,988 483 3,725 304
Halogen................................. 8,375 8,375 7,790 1,215 5,325 392 718 779
Other....................................... 366 366 294 56 180 17 45 10

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.
Source: Energy Information Administration, 1995 Commercial Buildings Energy Consumption Survey.