Luminalt
243 installs · $4.48/W avg
American Solar Corporation
38installations on record
$3.66median price per watt
Residential SolarCommercial Solar
Installation Statistics
38
Quotes in Database
13.3 kW
Avg System Size
$61,334
Avg Total Price
Solar Price per Watt
$3.90/W
Average
$3.66/W
Median
$3.30 – $4.80
Typical Range (P25–P75)
Battery Price per kWh
$1169/kWh
Average
$1250/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Francisco, CA 941314.2 kW$40,219—Apr 8, 2026Berkeley, CA 9471010.9 kW$53,840$4.92/WMar 10, 2026Corte Madera, CA 949254.9 kW13.5 kWh$15,219$1.58/W$556/kWhFeb 17, 2026Sonoma, CA 9547610.6 kW27 kWh$28,679$1.43/W$504/kWhFeb 5, 2026Kentfield, CA 9490433.6 kW67.5 kWh$50,000—Jan 29, 2026Mill Valley, CA 9494112.5 kW27 kWh$31,342$1.41/W$511/kWhJan 27, 2026Inverness, CA 949376.3 kW13.6 kWh$26,570$2.23/W$928/kWhJan 13, 2026Marin County, CA2.5 kW13.5 kWh$31,500$5.12/W$1387/kWhJan 2, 2026Larkspur, CA 949394.8 kW13.5 kWh$35,945$3.65/W$1353/kWhDec 29, 2025Mill Valley, CA 949417 kW$40,491$5.81/WDec 26, 2025Menlo Park, CA 9402523.1 kW$129,052$5.59/WDec 22, 2025Tiburon, CA 9492013.2 kW$44,360$3.36/WDec 3, 2025Mill Valley, CA 9494110.9 kW27.2 kWh$63,812$2.73/W$1256/kWhNov 19, 2025Oakville, CA 945623.2 kW27 kWh$135,733—Aug 29, 2025Oakville, CA 945628.1 kW40.5 kWh$135,733—Aug 27, 2025Napa, CA 9455880.7 kW$266,461$3.30/WAug 18, 2025Glen Ellen, CA 954428.9 kW13.5 kWh$67,603$4.68/W$1911/kWhAug 11, 2025Kentfield, CA 949049.4 kW$49,000$5.22/WAug 8, 2025Lafayette, CA 945496.6 kW13.5 kWh$36,338$3.09/W$1180/kWhJul 30, 2025Mill Valley, CA 949416.4 kW13.5 kWh$38,095$3.29/W$1250/kWhJul 5, 2025Page 1 of 2