Energy Cost Budget (ECB) Compliance
Project Name:
GSA LEED Cost Study - Office - Full Facade Renovation : #4B (Silver) & #6B (Gold)
Contact Person:
Energy Summary by End Use
Proposed Building
Budget Building
Proposed /
End Use
Energy Type*
Energy
Peak
Energy
Peak
Budget
3
3
3
3
Energy (%)
(10 Btu)
(10 Btu/h)
(10 Btu)
(10 Btu/h)
Regulated
Lighting - Conditioned
E
2,046,108
739
3,628,263
1033
56.4%
Space Heating (1)
E
18,459
20
29,336
20
62.9%
Space Heating (2)
NG
1,399,600
413
3,028,200
537
46.2%
Space Cooling
E
589,696
504
1,100,244
1054
53.6%
Pumps
E
125,541
63
125,422
59
100.1%
Heat Rejection
E
300,468
136
355,469
225
84.5%
Fans
E
1,534,905
805
2,422,626
787
63.4%
Service water heating
NG
194,200
16
194,200
16
100.0%
Sub-Total Regulated
6,208,977
10,883,759
57.0%
Non-Regulated/Process
Office Equipment
E
3,943,201
977
3,943,201
977
100.0%
Task Lighting
E
441,035
198
441,035
198
100.0%
Lighting - Exterior
E
156,918
34
156,918
34
100.0%
Elevators & escalators
E
163,790
115
163,790
115
100.0%
Refrigeration (food, etc.)
NA
NA
NA
NA
NA
Cooking (commercial)
NA
NA
NA
NA
NA
Sub-Total Non-Regulated/Process
4,704,943
4,704,943
100.0%
Total Building Consumption
10,913,920
15,588,703
70.0%
* E = Electricity (kWh); NG = Natural Gas (Therms or CCF); FO2 = #2 Fuel Oil (gal); FO6 = #6 Fuel Oil (gal); S = Steam (mmbtu);
CW = Chilled Water (ton-h)
Energy and Cost Summary by Fuel Type
Proposed Building
Budget Building
Proposed / Budget
(DEC'')
(ECB')
(DEC'' / ECB')
Energy
Cost
Energy
Cost
Energy
Cost
(103 Btu)
(103 Btu)
($)
($)
(%)
(%)
4,615,177
113,375
7,661,359
192,055
60.2%
59.0%
Natural Gas
1,593,800
8,253
3,222,400
16,397
49.5%
50.3%
Other Fossil Fuel
District steam
Total Nonsolar
6,208,977
121,628
10,883,759
208,452
57.0%
58.3%
Solar or site recovered
Total Including Solar
6,208,977
121,628
10,883,759
208,452
57.0%
58.3%
* These results use assumptions for showing compliance during a typical year; actual energy costs may be substantially different.
Percent Savings = (ECB' $ - DEC'' $)/ECB' $ =
41.65%
Scale
2.1
Renovation : EA Credit 1 Points =
8
sf
kBtu/sf
Building Area
279000
39.1
GSA LEED Cost Study - Appendix J
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