Capital cost: $473,250

Lifetime energy cost savings: $-328,385

Net lifetime savings: $-801,634

Benefit-cost ratio: -0.7

Number of homes: 27

Average proposed capacity per residence (Btu/hr): 11,027 Btu/hr

Excess generation capacity needed (kW): 26 kW

Expected average coefficient of performance (COP): 2.43