Luminalt
243 installs · $4.48/W avg
Sun Light & Power
247installations on record
$3.74median price per watt
Residential SolarCommercial SolarFinancing Available
Installation Statistics
247
Quotes in Database
34.2 kW
Avg System Size
$133,775
Avg Total Price
Solar Price per Watt
$3.82/W
Average
$3.74/W
Median
$3.36 – $4.21
Typical Range (P25–P75)
Battery Price per kWh
$1380/kWh
Average
$1304/kWh
Median
$1236 – $1604
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Berkeley, CA 947059.3 kW27 kWh$59,760$3.19/W$1120/kWhMay 28, 2026San Rafael, CA 9490311 kW27 kWh$126,363—May 15, 2026Oakland, CA 9461888.1 kW$375,509$4.26/WMay 13, 2026Belvedere, CA 949204.4 kW14 kWh$36,710$4.04/W$1355/kWhMay 13, 2026Alameda County, CA7 kW$51,503—May 5, 2026Stanford, CA 943056.7 kW14 kWh$41,158$3.43/W$1302/kWhMay 1, 2026Orinda, CA 9456330 kW$138,199$4.60/WApr 30, 2026Larkspur, CA 9493938.6 kW61.44 kWh$249,724$4.90/W$983/kWhApr 28, 2026San Francisco, CA 9411042 kW$225,476$5.37/WApr 28, 2026Berkeley, CA 947073.3 kW14 kWh$31,101$4.06/W$1251/kWhApr 27, 2026South San Francisco, CA 940805.4 kW14 kWh$36,174$3.43/W$1252/kWhApr 23, 2026Oakland, CA 946026.3 kW14 kWh$36,758$3.17/W$1205/kWhApr 23, 2026Berkeley, CA 9470585.5 kW$348,579$4.08/WApr 21, 2026Berkeley, CA 9470510.4 kW27 kWh$58,789$2.92/W$1048/kWhApr 20, 2026Cupertino, CA 950147 kW$50,159—Apr 20, 2026San Francisco, CA 941215.2 kW13.5 kWh$46,589$4.64/W$1661/kWhApr 17, 2026Oakland, CA 946093.3 kW14 kWh$30,768$4.01/W$1239/kWhApr 16, 2026Oakland, CA 946016 kW$6,913$1.16/WApr 16, 2026Castro Valley, CA 94546118.9 kW$423,372$3.56/WApr 14, 2026San Jose, CA 95126111.8 kW$19,500—Apr 10, 2026Page 1 of 13