Total Primary Energy Intensity—Graph Detail and Data Table
1979 to 1999 primary energy intensity trend with 95% confidence ranges
Energy Information Administration
Commercial Buildings Energy Consumption Survey
| Total primary energy 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 | 203.2 | 5.8 | 180.1 to 226.3 |
| 1983 | 187.1 | 4.8 | 169.5 to 204.7 |
| 1986 | 170.2 | 4.5 | 155.2 to 185.2 |
| 1989 | 180.4 | 4.3 | 165.2 to 195.6 |
| 1992 | 158.5 | 4.5 | 144.5 to 172.5 |
| 1995 | 180.1 | 3.8 | 166.7 to 193.5 |
| 1999 | 178.0 | 3.8 | 164.7 to 191.3 |
| 1989* | 174.8 | ** | ** |
| 1992* | 157.7 | ** | ** |
|
* 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 6”
Specific questions may be directed to:
Alan Swenson
alan.swenson@eia.doe.gov
Release date: 01/12/2000
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