Simply Solar
592 installs · $3.37/W avg
Grid Titans
11installations on record
$3.36median price per watt
Residential SolarCommercial Solar
Installation Statistics
11
Quotes in Database
12 kW
Avg System Size
$53,610
Avg Total Price
Solar Price per Watt
$3.56/W
Average
$3.36/W
Median
Battery Price per kWh
$1423/kWh
Average
$1378/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Marin County, CA7.4 kW24.18 kWh$46,686$2.79/W$1072/kWhMay 27, 2026Marin County, CA34.1 kW$1,500,000—Mar 18, 2026Marin County, CA8.2 kW34.2 kWh$53,342$2.50/W$961/kWhMar 13, 2026Belvedere, CA 949204.6 kW10 kWh$47,500$5.01/W$2459/kWhMar 12, 2026Santa Rosa, CA 9540516.2 kW$70,520$4.34/WMar 10, 2026Marin County, CA9.9 kW11.4 kWh$50,457$3.39/W$1486/kWhJan 29, 2026Kentfield, CA 949046.6 kW10 kWh$40,000$3.33/W$1814/kWhJan 20, 2026San Rafael, CA 9490316.5 kW22.8 kWh$76,544$2.88/W$1270/kWhDec 24, 2025Santa Rosa, CA 954045.8 kW$17,060$2.93/WNov 24, 2025Ross, CA 9495718.6 kW11.4 kWh$97,138$4.04/W$1936/kWhNov 10, 2025Tiburon, CA 949203.7 kW10 kWh$36,854$4.42/W$2029/kWhSep 30, 2025