Capital cost: $3,490,612

Lifetime energy cost savings: $2,676,615

Net lifetime savings: $-813,997

Benefit-cost ratio: 0.8

Number of homes: 140

Average proposed capacity per residence (Btu/hr): 28,311 Btu/hr

Excess generation capacity needed (kW): 199 kW

Expected average coefficient of performance (COP): 3.74