Total District Heat Intensity—Graph Detail and Data Table
1979 to 1999 district heat intensity trend with 95% confidence ranges
Energy Information Administration
Commercial Buildings Energy Consumption Survey
| Total district heat 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 | 54.0 | 10.1 | 43.3 to 64.7 |
| 1983 | 64.8 | 12.5 | 48.9 to 80.7 |
| 1986 | 91.2 | 14.1 | 66.0 to 116.4 |
| 1989 | 89.0 | 14.5 | 63.7 to 114.3 |
| 1992 | 82.9 | 14.3 | 59.7 to 106.1 |
| 1995 | 94.2 | 16.7 | 63.4 to 125.0 |
| 1999 | 73.5 | 11.0 | 57.7 to 89.3 |
| 1989* | 85.2 | ** | ** |
| 1992* | 81.4 | ** | ** |
| * 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, Figures 7 and 8”
Specific questions may be directed to:
Alan Swenson
alan.swenson@eia.doe.gov
Release date: 01/12/2000
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