Luminalt
243 installs · $4.48/W avg
Solarunion
23installations on record
$3.99median price per watt
Installation Statistics
23
Quotes in Database
6.8 kW
Avg System Size
$39,433
Avg Total Price
Solar Price per Watt
$3.88/W
Average
$3.99/W
Median
$3.31 – $4.32
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Leandro, CA 945774.8 kW$25,234$5.22/WJan 29, 2026Marin County, CA10.2 kW30 kWh$92,282$3.23/W$1982/kWhDec 24, 2025Stockton, CA 952053 kW$12,448$4.18/WDec 4, 2025San Francisco County, CA9.8 kW20 kWh$74,218$3.34/W$2080/kWhOct 27, 2025Alameda County, CA7 kW10 kWh$40,589$3.05/W$1918/kWhOct 21, 2025Contra Costa County, CA10.9 kW16 kWh$61,348$3.35/W$1542/kWhSep 2, 2025Stockton, CA 952159.7 kW$33,210$3.41/WJul 16, 2025Mission Viejo, CA 926917.7 kW10 kWh$58,007$4.09/W$2650/kWhJul 1, 2025Berkeley, CA 947058.4 kW$36,145$4.30/WJun 20, 2025San Francisco County, CA3 kW10 kWh$34,765$4.50/W$2122/kWhApr 15, 2025Stockton, CA 952155.9 kW$24,943$4.20/WApr 4, 2025San Francisco, CA 941314.8 kW20 kWh$23,650—Apr 1, 2025El Cerrito, CA 945304.2 kW10 kWh$16,016—Mar 28, 2025San Francisco County, CA3 kW10 kWh$34,765$4.50/W$2122/kWhMar 27, 2025San Francisco, CA 941106.7 kW$49,032—Mar 25, 2025San Francisco, CA 9412111.9 kW16 kWh$78,562$4.06/W$1892/kWhMar 3, 2025San Francisco County, CA6.7 kW20 kWh$52,651$2.90/W$1666/kWhFeb 27, 2025San Francisco County, CA5.6 kW10 kWh$50,567$4.40/W$2577/kWhFeb 26, 2025Redwood City, CA 940618.2 kW$32,032$3.91/WFeb 7, 2025San Francisco, CA 941212.3 kW$12,440$5.43/WFeb 6, 2025Page 1 of 2