Luminalt
243 installs · $4.48/W avg
All Bay Solar
127installations on record
$3.34median price per watt
Residential SolarCommercial Solar
Installation Statistics
127
Quotes in Database
7 kW
Avg System Size
$46,088
Avg Total Price
Solar Price per Watt
$3.46/W
Average
$3.34/W
Median
$2.88 – $3.82
Typical Range (P25–P75)
Battery Price per kWh
$1334/kWh
Average
$1300/kWh
Median
$1047 – $1628
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Francisco, CA 941223.3 kW13.5 kWh$52,000—May 28, 2026San Francisco County, CA8.4 kW$84,043—May 27, 2026San Mateo County, CA6.9 kW10 kWh$37,900$3.04/W$1683/kWhMay 26, 2026San Jose, CA 951254.6 kW$16,500$3.59/WMay 14, 2026San Francisco, CA 941144.1 kW$19,080$4.66/WMay 12, 2026Napa County, CA4.1 kW10 kWh$29,500$3.35/W$1585/kWhMay 11, 2026South San Francisco, CA 940807.8 kW20 kWh$50,000$2.51/W$1515/kWhMay 6, 2026San Mateo County, CA8.8 kW15 kWh$54,100$3.34/W$1636/kWhMay 2, 2026San Francisco, CA 941227.3 kW14 kWh$54,900$4.31/W$1667/kWhApr 24, 2026Santa Rosa, CA 954035.9 kW14 kWh$26,680$2.42/W$893/kWhApr 22, 2026San Francisco, CA 941326 kW14 kWh$33,364$2.98/W$1098/kWhApr 16, 2026Mill Valley, CA 9494113.9 kW$93,808—Apr 9, 2026Campbell, CA 950085.8 kW$23,389$4.04/WApr 6, 2026San Francisco, CA 9411710.9 kW$76,800—Apr 3, 2026San Anselmo, CA 9496012.8 kW$47,600$3.71/WMar 19, 2026Berkeley, CA 947055.9 kW$23,408$4.00/WMar 17, 2026Half Moon Bay, CA 9401912.9 kW$90,500—Mar 14, 2026San Mateo, CA 944027.7 kW$49,900—Mar 12, 2026San Francisco, CA 941105 kW$21,320$4.26/WMar 12, 2026San Francisco, CA 941167.9 kW20.16 kWh$51,170$2.76/W$1457/kWhMar 11, 2026Page 1 of 7