Energy Cost Budget (ECB) Compliance
Project Name:
GSA LEED Cost Study - Courthouse: #2A (Certified) & #3A (Silver)
Contact Person:
Adrian Tuluca, Steven Winter Associates, Inc.
Energy Summary by End Use
Proposed /
Proposed Building
Budget Building
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
2,496,431
783
3,354,030
1025
74.4%
Space Heating (1)
E
29,862
19
46,444
19
64.3%
Space Heating (2)
NG
3,939,600
603
5,109,700
603
77.1%
Space Heating (3)
S
-
0
-
0
NA
Space Heating (4)
HW
-
0
-
0
NA
Space Cooling (1)
E
739,541
907
941,640
1094
78.5%
Space Cooling (2)
S
-
0
-
0
NA
Space Cooling (3)
CW
-
0
-
0
NA
Space Cooling (4)
NG
-
0
-
0
NA
Pumps
E
107,072
62
146,191
65
73.2%
Heat Rejection
E
206,467
151
345,274
221
59.8%
Fans
E
919,292
678
1,370,283
456
67.1%
Service water heating (1)
E
-
0
-
0
NA
Service water heating (2)
NG
373,700
32
373,700
32
100.0%
Service water heating (3)
S
-
0
-
0
NA
Service water heating (4)
HW
-
0
-
0
NA
Sub-Total Regulated
8,811,964
11,687,262
75.4%
Non-Regulated/Process
Equipment
E
2,721,561
714
2,721,561
714
100.0%
Task Lighting
E
206,945
93
206,945
93
100.0%
Lighting - Exterior
E
156,918
34
156,918
34
100.0%
Elevators & escalators
E
136,490
96
136,490
96
100.0%
Refrigeration (food, etc.)
NA
NA
NA
NA
NA
Cooking
NG
10
0
10
0
100.0%
Sub-Total Non-Regulated/Process
3,221,924
3,221,924
100.0%
Total Building Consumption
12,033,888
14,909,186
80.7%
* E = Electricity; NG = Natural Gas; FO2 = #2 Fuel Oil; FO6 = #6 Fuel Oil; S = Steam;
CW = Chilled Water
Energy and Cost Summary by Fuel Type
Proposed Building
Budget Building
Proposed / Budget
(DEC'')
(ECB')
(DEC'' / ECB')
Energy
Cost
Energy
Cost
Energy
Cost
3
3
($)
($)
(%)
(%)
(10 Btu)
(10 Btu)
4,498,664
119,174
6,203,862
161,290
72.5%
73.9%
Natural Gas
4,313,300
21,850
5,483,400
27,702
78.7%
78.9%
Steam
-
-
-
-
-
-
Chilled Water
-
-
-
-
-
-
Hot Water
-
-
-
-
-
-
Total Nonsolar
8,811,964
141,025
11,687,262
188,992
75.4%
74.6%
Occupany Sensors
-
-
Total Including Occupancy Sensors
8,811,964
141,025
11,687,262
188,992
75.4%
74.6%
Solar or site recovered
-
-
Total
8,811,964
141,025
11,687,262
188,992
75.4%
74.6%
* These results use assumptions for showing compliance during a typical year; actual energy costs may be substantially different.
Percent Savings = (ECB' $ - DEC'' $)/ECB' $ =
25.38%
Scale
2.1
EA Credit 1 Points =
3
sf
kBtu/sf
Building Area
262000
45.9
GSA LEED Cost Study - Appendix I
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