| |
|
|
| Table 1. 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 |
Energy Information Administration
Commercial Buildings Energy Consumption Survey
|
|
Table 2. Total primary 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
|
134.2
|
7.9
|
113.4 to 155.0
|
|
1983
|
135.8
|
6.0
|
119.8 to 151.8
|
|
1986
|
129.5
|
5.1
|
116.6 to 142.4
|
|
1989
|
136.2
|
4.5
|
124.2 to 148.2
|
|
1992
|
118.4
|
3.9
|
109.3 to 127.5
|
|
1995
|
137.9
|
3.8
|
127.6 to 148.2
|
|
1999
|
142.3
|
3.7
|
132.0 to 152.6
|
|
|
|
1989*
|
127.6
|
**
|
**
|
|
1992*
|
118.2
|
**
|
**
|
* estimates adjusted to match the 1995 CBECS definition of target population
** not calculated
|
Energy Information Administration
Commercial Buildings Energy Consumption Survey
|
|
Table 3. Total natural gas 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
|
71.4
|
8.2
|
59.9 to 82.9
|
|
1983
|
61.6
|
7.5
|
52.5 to 70.7
|
|
1986
|
46.2
|
4.7
|
41.9 to 50.5
|
|
1989
|
50.4
|
5.9
|
44.6 to 56.2
|
|
1992
|
48.3
|
6.5
|
42.1 to 54.5
|
|
1995
|
51.7
|
4.5
|
47.1 to 56.3
|
|
1999
|
44.4
|
7.3
|
38.0 to 50.8
|
|
|
|
1989*
|
49.1
|
**
|
**
|
|
1992*
|
47.4
|
**
|
**
|
* estimates adjusted to match the 1995 CBECS definition of target population
** not calculated
|
Energy Information Administration
Commercial Buildings Energy Consumption Survey
|
|
Table 4. Total fuel oil 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
|
59.7
|
8.2
|
50.1 to 69.3
|
|
1983
|
33.4
|
11.6
|
25.8 to 41.0
|
|
1986
|
40.1
|
10.0
|
32.2 to 48.0
|
|
1989
|
28.3
|
12.6
|
21.3 to 35.3
|
|
1992
|
20.6
|
11.2
|
16.1 to 25.1
|
|
1995
|
16.3
|
9.7
|
13.2 to 19.4
|
|
1999
|
13.5
|
11.0
|
10.6 to 16.4
|
|
|
|
1989*
|
27.0
|
**
|
**
|
|
1992*
|
20.2
|
**
|
**
|
* estimates adjusted to match the 1995 CBECS definition of target population
** not calculated
|
Energy Information Administration
Commercial Buildings Energy Consumption Survey
|
|
Table 5. 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
|
Energy Information Administration
Commercial Buildings Energy Consumption Survey
|
Top
Return to “Part 2. Energy Intensity”
Specific questions may be directed to:
Alan Swenson
alan.swenson@eia.doe.gov
Release date: 01/12/2000
URL:
http://www.eia.doe.gov/emeu/consumptionbriefs/cbecs/cbecs_trends/
detailedtable_sources_intensity.html
If you are having any technical problems with this site, please contact the EIA webmaster at wmaster@eia.doe.gov.
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