Supplement Tables to the Annual Energy Outlook 2003

Table 22. Commercial Sector Energy Consumption, Floorspace, and Equipment Efficiency

                                                      2001-
  2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2025
                                                       
Commercial Building Delivered                                                      
Energy Consumption (quadrillion Btu) 1/                                                      
Assembly
0.52
0.51
0.52
0.53
0.54
0.54
0.55
0.56
0.56
0.57
0.57
0.58
0.58
0.59
0.59
0.60
0.61
0.62
0.62
0.63
0.64
0.64
0.65
0.66
0.67
0.67
1.2%
Education
0.70
0.68
0.70
0.72
0.74
0.75
0.77
0.78
0.79
0.80
0.81
0.82
0.83
0.84
0.85
0.86
0.87
0.88
0.89
0.90
0.91
0.92
0.92
0.92
0.93
0.93
1.3%
Food Sales
0.20
0.20
0.21
0.21
0.22
0.22
0.22
0.22
0.23
0.23
0.23
0.24
0.24
0.24
0.24
0.25
0.25
0.25
0.25
0.26
0.26
0.26
0.27
0.27
0.27
0.27
1.2%
Food Service
0.45
0.44
0.46
0.46
0.47
0.48
0.48
0.49
0.49
0.50
0.50
0.51
0.52
0.52
0.53
0.53
0.54
0.54
0.55
0.56
0.57
0.58
0.58
0.59
0.60
0.60
1.3%
Health Care
0.46
0.45
0.46
0.48
0.50
0.51
0.53
0.54
0.56
0.57
0.59
0.60
0.62
0.63
0.65
0.67
0.69
0.71
0.73
0.75
0.77
0.79
0.81
0.83
0.85
0.88
2.8%
Lodging
0.47
0.45
0.47
0.48
0.49
0.50
0.51
0.52
0.53
0.54
0.55
0.56
0.57
0.58
0.60
0.61
0.62
0.64
0.65
0.66
0.68
0.69
0.71
0.72
0.74
0.76
2.2%
Office - Large
0.74
0.73
0.75
0.76
0.78
0.80
0.82
0.83
0.85
0.86
0.88
0.89
0.91
0.93
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.09
1.11
1.13
1.15
1.18
2.0%
Office - Small
0.42
0.42
0.43
0.44
0.46
0.47
0.48
0.49
0.50
0.51
0.52
0.53
0.54
0.55
0.56
0.57
0.58
0.60
0.61
0.62
0.63
0.64
0.66
0.67
0.68
0.70
2.2%
Mercantile/Service
1.24
1.22
1.26
1.30
1.33
1.36
1.38
1.41
1.43
1.44
1.46
1.48
1.50
1.52
1.53
1.55
1.56
1.58
1.60
1.62
1.64
1.66
1.68
1.70
1.71
1.73
1.5%
Warehouse
0.54
0.53
0.56
0.59
0.60
0.61
0.62
0.63
0.64
0.65
0.66
0.67
0.68
0.70
0.72
0.73
0.75
0.76
0.78
0.80
0.82
0.84
0.86
0.89
0.91
0.92
2.3%
Other
0.37
0.38
0.39
0.41
0.42
0.44
0.45
0.47
0.48
0.50
0.51
0.53
0.54
0.56
0.57
0.59
0.61
0.63
0.65
0.66
0.68
0.70
0.72
0.74
0.76
0.79
3.1%
Total
6.11
6.01
6.21
6.37
6.55
6.68
6.81
6.93
7.05
7.16
7.27
7.40
7.52
7.66
7.79
7.92
8.06
8.20
8.35
8.51
8.66
8.82
8.97
9.12
9.27
9.43
1.9%
                                                       
Commercial Building Floorspace                                                      
(billion square feet)                                                      
Assembly
7.86
7.95
8.03
8.10
8.18
8.25
8.33
8.40
8.48
8.56
8.64
8.72
8.81
8.89
8.98
9.07
9.15
9.24
9.33
9.41
9.50
9.59
9.68
9.77
9.86
9.96
0.9%
Education
8.82
9.03
9.25
9.46
9.68
9.88
10.07
10.26
10.44
10.62
10.79
10.95
11.12
11.27
11.42
11.57
11.71
11.84
11.97
12.08
12.18
12.26
12.33
12.38
12.41
12.43
1.3%
Food Sales
1.01
1.04
1.06
1.08
1.09
1.10
1.11
1.12
1.14
1.15
1.17
1.18
1.19
1.20
1.21
1.22
1.23
1.24
1.26
1.27
1.28
1.29
1.29
1.30
1.31
1.32
1.0%
Food Service
1.89
1.93
1.97
2.00
2.03
2.04
2.06
2.08
2.10
2.12
2.14
2.16
2.19
2.20
2.22
2.24
2.26
2.28
2.30
2.33
2.35
2.37
2.39
2.41
2.43
2.46
1.0%
Health Care
1.88
1.93
1.98
2.03
2.08
2.13
2.17
2.22
2.27
2.32
2.37
2.42
2.48
2.53
2.59
2.65
2.71
2.77
2.83
2.90
2.96
3.03
3.09
3.16
3.23
3.30
2.3%
Lodging
4.61
4.71
4.83
4.94
5.04
5.13
5.22
5.30
5.39
5.49
5.60
5.71
5.83
5.95
6.07
6.19
6.30
6.42
6.54
6.66
6.79
6.91
7.03
7.15
7.28
7.41
1.9%
Office - Large
7.41
7.52
7.65
7.78
7.89
7.98
8.05
8.13
8.20
8.28
8.37
8.46
8.55
8.64
8.74
8.84
8.94
9.04
9.14
9.25
9.35
9.46
9.56
9.66
9.77
9.89
1.2%
Office - Small
5.76
5.86
5.97
6.08
6.18
6.26
6.33
6.39
6.46
6.54
6.61
6.70
6.78
6.87
6.96
7.06
7.15
7.24
7.34
7.43
7.53
7.63
7.73
7.83
7.93
8.04
1.3%
Mercantile/Service
14.00
14.29
14.56
14.81
15.04
15.23
15.40
15.57
15.75
15.94
16.14
16.35
16.54
16.72
16.89
17.06
17.23
17.40
17.59
17.78
17.97
18.16
18.34
18.51
18.69
18.88
1.2%
Warehouse
10.81
11.33
11.80
12.19
12.50
12.74
12.93
13.11
13.29
13.50
13.75
14.04
14.35
14.66
14.97
15.26
15.54
15.81
16.10
16.42
16.77
17.15
17.53
17.89
18.23
18.53
2.1%
Other
4.46
4.64
4.82
5.00
5.18
5.35
5.53
5.70
5.86
6.02
6.19
6.36
6.53
6.70
6.87
7.05
7.23
7.41
7.59
7.78
7.96
8.14
8.32
8.51
8.70
8.89
2.7%
Total
68.51
70.22
71.91
73.47
74.88
76.09
77.20
78.28
79.38
80.54
81.77
83.06
84.36
85.65
86.93
88.20
89.46
90.71
91.98
93.30
94.64
95.98
97.29
98.57
99.85
101.10
1.5%
                                                       
Stock Average Equipment Efficiency 2/                                                      
                                                       
Space Heating                                                      
Electricity
1.06
1.07
1.08
1.08
1.09
1.09
1.10
1.10
1.11
1.11
1.11
1.11
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.13
1.13
1.13
0.2%
Natural Gas
0.72
0.73
0.73
0.74
0.74
0.74
0.75
0.75
0.76
0.76
0.76
0.77
0.77
0.77
0.77
0.78
0.78
0.78
0.78
0.78
0.78
0.79
0.79
0.79
0.79
0.79
0.3%
Distillate
0.74
0.74
0.75
0.75
0.75
0.76
0.76
0.76
0.77
0.77
0.77
0.77
0.78
0.78
0.78
0.78
0.78
0.78
0.78
0.78
0.78
0.79
0.79
0.79
0.79
0.79
0.2%
                                                       
Space Cooling                                                      
Electricity
2.70
2.74
2.78
2.82
2.85
2.88
2.92
2.95
2.98
3.01
3.04
3.07
3.10
3.12
3.14
3.17
3.19
3.21
3.23
3.25
3.27
3.29
3.31
3.33
3.35
3.37
0.9%
Natural Gas
0.91
0.95
0.97
0.97
0.98
0.99
1.00
1.01
1.02
1.03
1.03
1.04
1.05
1.05
1.06
1.06
1.07
1.07
1.08
1.08
1.09
1.09
1.09
1.10
1.10
1.10
0.6%
                                                       
Water Heating                                                      
Electricity
0.98
0.98
0.98
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
1.00
1.00
1.00
1.00
1.00
1.00
0.1%
Natural Gas
0.76
0.78
0.79
0.80
0.80
0.81
0.81
0.81
0.82
0.82
0.82
0.83
0.83
0.83
0.83
0.83
0.83
0.84
0.84
0.84
0.84
0.84
0.84
0.84
0.84
0.84
0.3%
Distillate
0.75
0.75
0.75
0.75
0.76
0.76
0.76
0.76
0.76
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.77
0.78
0.78
0.78
0.1%
                                                       
Ventilation (cubic feet per minute per Btu) 3/                                                      
Electricity
0.33
0.34
0.35
0.36
0.36
0.37
0.37
0.38
0.38
0.39
0.39
0.39
0.40
0.40
0.41
0.41
0.42
0.42
0.43
0.43
0.43
0.44
0.44
0.44
0.44
0.45
1.1%
                                                       
Cooking                                                      
Electricity
0.71
0.71
0.72
0.72
0.73
0.73
0.73
0.73
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.74
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.2%
Natural Gas
0.50
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.52
0.1%
                                                       
Lighting Efficacy 4/                                                      
(efficacy in lumens per watt)                                                      
Electricity
47.31
47.62
47.72
47.73
47.69
47.78
47.87
47.95
48.03
48.18
48.30
48.43
48.62
48.80
48.96
49.28
49.63
49.97
50.28
50.59
50.93
51.26
51.60
51.92
52.25
52.58
0.4%
                                                       
Refrigeration                                                      
Electricity
1.35
1.35
1.36
1.37
1.37
1.37
1.38
1.38
1.39
1.39
1.39
1.39
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
0.1%
                                                       

1/ Excludes commercial sector energy consumption (from uses such as street lights) that is not attributable to buildings.
2/ Unless noted otherwise, the efficiency measures are in the terms of Btu of energy output divided by Btu of energy input.
3/ The efficiency measure for ventilation is in terms of cubic feet per minute (cfm) of ventilation air delivered divided by Btu of energy input.
4/ A measurement of the ratio of light produced by a light source to the electrical power used to produce that quality of light, expressed in lumens per watt.
Btu = British thermal unit.
Note: Totals may not equal sum of components due to independent rounding.
Source: Energy Information Administration, AEO2003 National Energy Modeling System run aeo2003.d110502c.

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