Page 91 - Zero Net Energy Case Study Homes-Volume 1
P. 91
MERITAGE PRODUCTION HOUSES
CASE STUDY NO. 4
MODELED
ZNE Study Group - House No.
1
Model Name
Energy
Storage (Battery)
Total Energy Use - Annual - kWh
EUI kBtu/sf-year (Modeled)
Total Energy Production - Annual - kWh
Annual Net Energy Use (Modeled) kWh
% ZNE (Modeled)
Walhalla
√
6,331
9.4
6,628
-297
ZNE
2
Mojave
√
6,501
10.2
5,082
1,419
78%
3
Grandview
√
6,143
10.9
5,445
698
89%
4
Mojave
√
6,457
10.4
5,808
649
90%
5
Mojave
√
6,504
10.5
5,614
6,015
928
489
86%
6
Mojave
√
6,542
10.2
92%
6,035
10.7 5,827 208
97%
8
Mojave √
6,448
10.1 5,445 1,003
84%
9
10
Mojave √
Capitan
6,448
7,005
9.5 5,445 1,003
8.5 6,534
471
84%
93%
11
Toulumne
7,485
8.9 6,193
1,292
83%
6,882
8.8 6,628 254
96%
13
Toulumne
7,485
8.9
6,193
1,292
83%
14
Brideveil
6,882
8.8
5,808
1,074
84%
15
Capitan
7,005
8.5
6,628
377
95%
16
Toulumne
7,518
8.9
7,221
297
96%
17
Capitan
7,016
8.5
6,416
600
91%
18
Toulumne
7,512
8.9
6,416
1,096
85%
19
El Capitan
8.4
6,416
556
92%
20
Capitan
6,972
6,873
8.3
6,416
457
93%
7
12
Grandview
Bridalveil
√
MEASURED
ZNE Study Group - House No.
Model Name
Energy
Storage (Battery)
Total Energy Use (2016-2017) kWh
EUI kBtu/sf-year
Total Energy Production (2016-2017) kWh
Annual Net Energy Use (2016-2017) kWh
% ZNE (2016-2017)
1
Walhalla
√
10,370
15.3
7,045
3,325
68%
2
Mojave
√
9,103
14.3
5,270
3,833
58%
3
Grandview
√
8,027
14.2
5,635
2,392
70%
4
Mojave
√
10,364
16.7
5,882
4,482
57%
5
Mojave
√
8,471
13.7
5,825
2,646
69%
6
Mojave
√
10,083
15.9
6,233
3,850
62%
7 Grandview √
6,524 11.6 6,843 -319 ZNE
8
Mojave √
8,727 13.7 6,527 2,200 75%
9
Mojave √
7,299 10.8 5,591 1,708 77%
10
Capitan
11,296 13.6 6,466
4,830 57%
11
Toulumne
10,743 12.8 6,461
4,282 60%
12 Bridalveil
5,743 7.4 6,721 -978 ZNE
13
Toulumne
10,693
12.7
6,866
3,827
64%
14
Bridalveil
5,988
7.7
-
-
-
15
Capitan
4,153
5.0
-
-
-
16
Toulumne
-
-
-
-
-
17
Capitan
12,229
14.8
5,279
6,950
43%
18
Toulumne
9,416
11.2
7,188
2,228
76%
19
El Capitan
21,496
26.0
5,095
16,401
24%
20
Capitan
-
-
-
-
-
% ZNE
% ZNE (2016 - 2017)
140% 120% 100%
80% 60% 40% 20%
0%
Net Positive
Net Zero
Modeled
Measured (2016-2017)
1 2 3 4
5
6 7
8 9
10 11 12 13 14 15 16 17 18 19 20
HousseeNNuummbbeerr
Zero Net Energy Case Study Homes: Volume 1
79