Page 235 - Solar Power in Building Design The Engineer's Complete Design Resource

WATER AND LIFE MUSEUM, HEMET, CALIFORNIA 205

Building No. 2 total energy consumption distribution profile
Building 2 annual electricity usage:

2
2
103.5 kBtu/ft -yr × kWh/3.413 kBtu = 30.32 kWh/ft -yr
Conditioned floor area = 29,308 ft 2

2
2
30.32 kWh/ft -yr × 29,308 ft = 888,771.75 kWh/yr
Local Hemet, CA, electricity cost: $0.43/kWh

Bldg 2 annual electric energy cost: $0.43/kWh × 881,771.75 kWh/yr = $379,161.85/yr

Building 3

2
2
ENERGY COMPONENT (kBtu/ft -yr) (kBtu/ft -yr)
Space heating — 8.33
Space cooling 35.24
Indoor fans 19.84
Pumps & misc. 5.01
Domestic hot water∗ — 0.3
Lighting 39.55
Receptacle 16.95
Process —
Total 116.59 8.33

Building No. 3 total energy consumption distribution profile
Building 3 annual electricity usage:

2
2
116.59 kBtu/ft -yr × kWh/3.413 kBtu = 34.16 kWh/ft -yr
Conditioned floor area = 4248 ft 2

2
2
34.16 kWh/ft -yr × 4248 ft = 145,114.06 kWh/yr
Local Hemet, CA, electricity cost: $0.43/kWh

Bldg 3 annual electric energy cost: $0.43/kWh × 145,114.06 kWh/yr = $62,399.04/yr