California Solar
9 installs · $2.84/W avg
Sustainable Energy Group
31installations on record
$3.26median price per watt
Residential SolarCommercial Solar
Installation Statistics
31
Quotes in Database
9.9 kW
Avg System Size
$54,761
Avg Total Price
Solar Price per Watt
$3.39/W
Average
$3.26/W
Median
$2.86 – $3.74
Typical Range (P25–P75)
Battery Price per kWh
$1678/kWh
Average
$1644/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Auburn, CA 9560310.1 kW$23,930$2.37/WApr 16, 2026Grass Valley, CA 9594911.3 kW$44,490$3.93/WMar 18, 2026Grass Valley, CA 9594512.2 kW10 kWh$51,482$2.92/W$1579/kWhMar 17, 2026Smartsville, CA 959777.5 kW$37,710$5.04/WMar 9, 2026Auburn, CA 956034.3 kW10 kWh$27,874$2.88/W$1553/kWhMar 4, 2026Browns Valley, CA 959189 kW10 kWh$47,617$3.37/W$1730/kWhFeb 4, 2026Nevada City, CA 959591.9 kW5 kWh$26,796$7.37/W$2543/kWhJan 22, 2026Penn Valley, CA 959468.4 kW10 kWh$47,269$3.51/W$1777/kWhJan 21, 2026Newcastle, CA 956589.2 kW10 kWh$47,912$3.35/W$1723/kWhJan 7, 2026Grass Valley, CA 9594911.5 kW10 kWh$51,495$3.06/W$1640/kWhDec 30, 2025Auburn, CA 956034.7 kW10 kWh$28,410$2.78/W$1542/kWhDec 30, 2025Grass Valley, CA 959496.2 kW10 kWh$55,609$4.55/W$2735/kWhDec 30, 2025Grass Valley, CA 959497.5 kW20 kWh$90,652$4.69/W$2770/kWhDec 22, 2025Grass Valley, CA 959456.4 kW10 kWh$37,683$3.36/W$1601/kWhDec 22, 2025Grass Valley, CA 9594512.5 kW10 kWh$60,347$3.37/W$1828/kWhDec 18, 2025Auburn, CA 9560312.1 kW30 kWh$80,443$2.59/W$1637/kWhDec 15, 2025Grass Valley, CA 9594924.3 kW40 kWh$124,970$2.43/W$1644/kWhNov 4, 2025North San Juan, CA 9596012.2 kW20 kWh$68,596$2.73/W$1767/kWhOct 14, 2025Nevada City, CA 959598.2 kW$31,967$3.91/WOct 10, 2025Nevada City, CA 959593.7 kW$15,324$4.10/WSep 17, 2025Page 1 of 2