Sun Light & Power
247 installs · $3.82/W avg
PJ Erwin Electric
13installations on record
$4.07median price per watt
Residential SolarCommercial Solar
Installation Statistics
13
Quotes in Database
8.2 kW
Avg System Size
$41,015
Avg Total Price
Solar Price per Watt
$3.81/W
Average
$4.07/W
Median
Battery Price per kWh
$1492/kWh
Average
$1840/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Oakland, CA 9461117.1 kW20 kWh$88,396$3.02/W$1846/kWhMar 3, 2026Oakland, CA 946028.6 kW10.5 kWh$45,650$3.07/W$1834/kWhFeb 2, 2026Millbrae, CA 940309.7 kW10 kWh$20,000$1.35/W$700/kWhJan 26, 2026Moraga, CA 945568.8 kW$35,721$4.07/WJan 15, 2026Moraga, CA 9455613.2 kW10.5 kWh$59,535$3.01/W$1897/kWhDec 15, 2025Oakland, CA 946017.5 kW$34,020$4.52/WDec 10, 2025Oakland, CA 946097.1 kW10 kWh$52,116$4.09/W$2315/kWhOct 21, 2025Oakland, CA 946188.3 kW20 kWh$67,072$3.49/W$1902/kWhSep 15, 2025Berkeley, CA 947071.5 kW10 kWh$12,190$2.94/W$774/kWhAug 21, 2025Oakland, CA 946027.3 kW$32,781$4.52/WJul 18, 2025Berkeley, CA 947083.6 kW21 kWh$19,125—Jun 26, 2025Richmond, CA 948047 kW$31,374$4.46/WJun 20, 2025Oakland, CA 946117.5 kW$35,220$4.68/WMar 25, 2025