Capital cost: $662,748

Lifetime energy cost savings: $-420,154

Net lifetime savings: $-1,082,902

Benefit-cost ratio: -0.6

Number of homes: 31

Average proposed capacity per residence (Btu/hr): 13,450 Btu/hr

Excess generation capacity needed (kW): 36 kW

Expected average coefficient of performance (COP): 2.43