Twinpeak Solar
56 installs · $2.55/W avg
Mirador Energy
28installations on record
$3.06median price per watt
Residential SolarCommercial Solar
Installation Statistics
28
Quotes in Database
11.3 kW
Avg System Size
$50,482
Avg Total Price
Solar Price per Watt
$3.08/W
Average
$3.06/W
Median
$2.88 – $3.22
Typical Range (P25–P75)
Battery Price per kWh
$622/kWh
Average
$529/kWh
Median
$484 – $705
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Davis, CA 956162.4 kW$6,000$2.48/WMay 20, 2026Napa, CA 9455812 kW43 kWh$59,918$3.14/W$514/kWhApr 27, 2026Oakland, CA 946107.3 kW$27,000$3.69/WApr 23, 2026Suisun City, CA 945349.6 kW43 kWh$50,000$3.04/W$484/kWhApr 14, 2026Fairfield, CA 9453418.4 kW57 kWh$125,000$4.53/W$731/kWhApr 6, 2026Fairfield, CA 9453310.7 kW57.2 kWh$38,000$2.10/W$271/kWhMar 16, 2026Novato, CA 9494710.4 kW30 kWh$50,000$3.16/W$565/kWhFeb 21, 2026Fairfield, CA 945338.4 kW28.6 kWh$41,000$3.07/W$535/kWhFeb 20, 2026Vacaville, CA 9568816.9 kW42 kWh$53,000$2.19/W$378/kWhJan 15, 2026Vacaville, CA 9568810 kW42 kWh$51,000$3.04/W$487/kWhJan 5, 2026Fairfield, CA 945349.2 kW28.6 kWh$42,500$2.98/W$529/kWhDec 12, 2025Vacaville, CA 956887.5 kW28 kWh$40,000$3.24/W$557/kWhDec 12, 2025Fairfield, CA 945347.5 kW28.6 kWh$44,500$3.59/W$611/kWhDec 12, 2025Vacaville, CA 9568711.7 kW42 kWh$53,000$2.85/W$468/kWhDec 11, 2025Dixon, CA 956209.6 kW42.9 kWh$50,500$3.08/W$486/kWhNov 20, 2025Vacaville, CA 956886.7 kW28 kWh$48,000$4.22/W$705/kWhNov 5, 2025Napa, CA 9455815 kW42.9 kWh$37,000—Nov 4, 2025Dixon, CA 956207.5 kW14.3 kWh$34,000$3.14/W$726/kWhOct 21, 2025Solano County, CA10.7 kW28.6 kWh$42,000$2.63/W$482/kWhOct 17, 2025Napa, CA 9455825.6 kW42.9 kWh$80,200—Sep 24, 2025Page 1 of 2