CNC Report 08.26.24 8.5x11 - Flipbook - Page 137
eGrid emission annual reduction
emission
factor
years
grid
yr
%/100
0
1.00
1
1.00
2
0.91
3
0.87
4
0.84
5
0.81
6
0.79
7
0.78
8
0.76
9
0.75
10
0.74
11
0.73
12
0.72
13
0.72
14
0.71
15
0.70
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0.70
0.69
0.69
0.68
0.68
0.67
0.67
0.67
0.66
0.66
0.65
0.65
0.65
0.65
0.64
* eGrid projection for
decarbonization
EUI:
Residential
Total
Natural Heat
Operational Other Electric Gas
Pump
[kBtu/sf-yr] Electricity Cooling Heat Heating
Hot
Water
Total Embodied
[lbsCO2/sf]
Natural Gas
40.0
23.4
6.6
4.4
-
5.6
-
Envelope Retrofit Only
32.2
21.1
3.3
2.2
-
5.6
10.6
Heat Pump Only
Heat Pump + Envelope
Retrofit
PV + Heat Pump +
Envelope Retrofit
30.9
23.4
4.4
-
1.3
1.8
4.4
25.7
21.1
2.2
-
0.7
1.8
15.0
25.7
21.1
2.2
-
0.7
1.8
24.0
PV + Heat Pump
30.9
23.4
4.4
-
1.3
1.8
13.4
APPENDIX TOWARD A CARBON NEUTRAL CORRIDOR
137
