Nabu Energy LLC
186 installs · $2.36/W avg
Cobalt Power Systems Inc.
439installations on record
$3.29median price per watt
Residential SolarCommercial SolarFinancing Available
Installation Statistics
439
Quotes in Database
10 kW
Avg System Size
$60,305
Avg Total Price
Solar Price per Watt
$3.45/W
Average
$3.29/W
Median
$2.98 – $3.76
Typical Range (P25–P75)
Battery Price per kWh
$1222/kWh
Average
$1192/kWh
Median
$1051 – $1378
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Francisco, CA 941319 kW27 kWh$50,700$2.77/W$952/kWhMay 29, 2026Piedmont, CA 9461110.3 kW27 kWh$62,500$3.13/W$1118/kWhMay 28, 2026San Mateo County, CA14.9 kW40.5 kWh$88,385$3.04/W$1063/kWhMay 28, 2026Los Altos, CA 9402212.6 kW$61,850$4.90/WMay 28, 2026Santa Clara County, CA7.6 kW$60,500—May 27, 2026Sunnyvale, CA 940864.7 kW14 kWh$36,296$3.82/W$1310/kWhMay 27, 2026San Mateo County, CA19.9 kW54 kWh$127,605$3.29/W$1147/kWhMay 26, 2026Cupertino, CA 950145 kW14 kWh$33,216$3.29/W$1193/kWhMay 21, 2026Napa County, CA3.2 kW10 kWh$36,500$4.86/W$2096/kWhMay 21, 2026Los Altos, CA 9402411.2 kW27 kWh$69,054$3.31/W$1182/kWhMay 20, 2026Marin County, CA11 kW14 kWh$31,000$1.83/W$769/kWhMay 20, 2026San Jose, CA 951122.5 kW$10,460$4.17/WMay 20, 2026Los Altos, CA 940249.2 kW27 kWh$57,800$3.12/W$1077/kWhMay 19, 2026Monterey County, CA12.9 kW30 kWh$89,500$2.98/W$1700/kWhMay 19, 2026Los Altos, CA 9402411 kW14 kWh$63,535$3.77/W$1581/kWhMay 18, 2026Santa Clara County, CA9.6 kW27 kWh$73,690$3.88/W$1349/kWhMay 15, 2026San Mateo County, CA7.3 kW27 kWh$68,415$4.22/W$1389/kWhMay 13, 2026Santa Clara County, CA9 kW14 kWh$58,300$3.98/W$1609/kWhMay 13, 2026Atherton, CA 9402720 kW27 kWh$109,500$3.60/W$1386/kWhMay 13, 2026Santa Clara County, CA5.9 kW13.5 kWh$34,000$3.13/W$1160/kWhMay 13, 2026Page 1 of 22