From the 4th (and final) solar contractor.
The bid is for a 4.5 kW DC, 3.8 kW AC.
Gross cost is $37,137. Out of pocket cost (minus APS rebate of $13,500) is $23,637. Federal and state tax incentives reduce the cost by $7,883.
To sum up: Bid #4 — $15,754 for a 3.8 kW solar panel system.
- Estimated annual production: 9,225 kWh
- PV panels: 20 x Sunpower 225-BLK-U
- Inverter: SMA America model SB6000US