Sol R US Electrical Engineering
120 installs · $2.71/W avg
GT Power
14installations on record
$3.39median price per watt
Residential SolarCommercial SolarFinancing Available
Installation Statistics
14
Quotes in Database
9.3 kW
Avg System Size
$35,242
Avg Total Price
Solar Price per Watt
$3.37/W
Average
$3.39/W
Median
Battery Price per kWh
$1203/kWh
Average
$1311/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Oakland, CA 946083.3 kW$28,000—May 12, 2026Richmond, CA 948067.6 kW13.5 kWh$43,875$3.38/W$1337/kWhApr 16, 2026Hayward, CA 945448.1 kW$33,000$4.07/WApr 10, 2026Berkeley, CA 947083.8 kW13.5 kWh$26,700$3.26/W$1065/kWhFeb 27, 2026Richmond, CA 948063 kW$11,510$3.85/WFeb 17, 2026Orinda, CA 9456311 kW27 kWh$50,175$2.42/W$871/kWhJan 28, 2026Oakland, CA 946056.5 kW13.5 kWh$39,639$3.39/W$1311/kWhDec 30, 2025Piedmont, CA 946118.1 kW13.5 kWh$46,380$3.42/W$1387/kWhOct 27, 2025Lafayette, CA 945498.1 kW13.5 kWh$38,350$2.85/W$1139/kWhJul 28, 2025Danville, CA 9452616.1 kW27.2 kWh$79,120$2.70/W$1313/kWhJul 1, 2025Richmond, CA 948043.5 kW$13,800$3.99/WJun 3, 2025Emeryville, CA 946083.3 kW$12,350$3.72/WFeb 24, 2025AZ 8640617.2 kW$45,000$2.62/WDec 11, 2024AZ 8640430.8 kW38 kWh$30,000—Feb 8, 2024