Site Electricity Intensity—Graph Detail and Data Table
1979 to 1999 site electricity intensity trend with 95% confidence ranges
Energy Information Administration
Commercial Buildings Energy Consumption Survey
| Total site electricity intensity, relative standard errors, and 95% confidence ranges by survey year | |||
| Year |
1,000 Btu per sq. ft. |
Relative Standard Error (%) |
95% Confidence Range (1,000 Btu per sq. ft.) |
| 1979 | 44.2 | 7.4 | 37.8 to 50.6 |
| 1983 | 44.1 | 5.9 | 39.0 to 49.2 |
| 1986 | 42.3 | 5.1 | 38.1 to 46.5 |
| 1989 | 45.0 | 4.5 | 41.0 to 49.0 |
| 1992 | 39.2 | 3.9 | 36.2 to 42.2 |
| 1995 | 45.7 | 3.8 | 42.3 to 49.1 |
| 1999 | 47.1 | 3.7 | 43.7 to 50.5 |
| 1989* | 43.4 | ** | ** |
| 1992* | 39.1 | ** | ** |
|
* estimates adjusted to match the 1995 CBECS definition of target population ** not calculated |
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Energy Information Administration Commercial Buildings Energy Consumption Survey |
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Return
to “Part 2. Energy Intensity, Figure 7”
Specific questions may be directed to:
Alan Swenson
alan.swenson@eia.doe.gov
Release date: 01/12/2000
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