Diablo Solar
81 installs · $2.96/W avg
Sol R US Electrical Engineering
120installations on record
$2.63median price per watt
Installation Statistics
120
Quotes in Database
8.3 kW
Avg System Size
$39,649
Avg Total Price
Solar Price per Watt
$2.71/W
Average
$2.63/W
Median
$2.41 – $2.96
Typical Range (P25–P75)
Battery Price per kWh
$1079/kWh
Average
$1033/kWh
Median
$893 – $1191
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Danville, CA 9450614 kW23 kWh$50,000$2.19/W$836/kWhMay 27, 2026Clayton, CA 9451714 kW27 kWh$60,000$2.50/W$922/kWhMay 26, 2026Orinda, CA 945638.8 kW25 kWh$35,000$2.03/W$688/kWhMay 22, 2026Brentwood, CA 945134.2 kW13.5 kWh$30,682$3.53/W$1179/kWhMay 1, 2026San Jose, CA 951187.1 kW10 kWh$21,692$1.71/W$951/kWhApr 14, 2026Vallejo, CA 945918.4 kW25 kWh$35,000$2.11/W$694/kWhApr 8, 2026Milpitas, CA 950357 kW13.5 kWh$26,500$2.16/W$838/kWhApr 6, 2026Cupertino, CA 950146.7 kW13.5 kWh$32,000$2.65/W$1056/kWhApr 3, 2026Walnut Creek, CA 945987.5 kW10.08 kWh$36,000$2.73/W$1534/kWhApr 3, 2026Cool, CA 9561410 kW25 kWh$35,000$1.85/W$658/kWhApr 1, 2026Concord, CA 945185.7 kW13.5 kWh$30,000$2.80/W$1038/kWhMar 29, 2026Concord, CA 945187.5 kW13.5 kWh$35,000$2.71/W$1079/kWhMar 29, 2026Pittsburg, CA 945656.7 kW13.5 kWh$32,000$2.66/W$1054/kWhMar 28, 2026Brentwood, CA 9451311.3 kW20 kWh$56,000$2.48/W$1401/kWhMar 24, 2026San Jose, CA 951217.5 kW13.5 kWh$34,000$2.65/W$1043/kWhMar 20, 2026Oakland, CA 946023.3 kW13.5 kWh$23,000$3.04/W$950/kWhMar 15, 2026San Jose, CA 9512411.9 kW27 kWh$57,000$2.64/W$951/kWhMar 13, 2026Pittsburg, CA 945655.9 kW13.5 kWh$26,000$2.36/W$903/kWhFeb 27, 2026Cupertino, CA 950146.7 kW13.5 kWh$32,000$2.65/W$1056/kWhFeb 20, 2026Berkeley, CA 947072.8 kW13.5 kWh$25,000$3.77/W$1083/kWhFeb 9, 2026Page 1 of 6