ETW Energy
23installations on record
$2.13median price per watt
Residential SolarFinancing Available
Installation Statistics
23
Quotes in Database
7.9 kW
Avg System Size
$37,789
Avg Total Price
Solar Price per Watt
$2.29/W
Average
$2.13/W
Median
Battery Price per kWh
$1049/kWh
Average
$1057/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Francisco, CA 941143.8 kW20 kWh$34,774$2.60/W$1247/kWhMay 1, 2026San Francisco County, CA5.3 kW20 kWh$16,555—Apr 1, 2026Upland, CA 917869.6 kW13.5 kWh$27,379$1.77/W$772/kWhFeb 20, 2026San Diego County, CA—11.5 kWh$29,906$2601/kWhJan 29, 2026Spring Valley, CA 919775.7 kW13.5 kWh$29,906$2.81/W$1033/kWhJan 29, 2026San Carlos, CA 940706.4 kW20 kWh$33,819$1.88/W$1088/kWhJan 26, 2026San Marino, CA 9110820.3 kW27 kWh$81,910$2.64/W$1053/kWhJan 22, 2026San Jose, CA 951185.7 kW20 kWh$3,451—Jan 15, 2026Antioch, CA 945316 kW27 kWh$40,300$2.75/W$877/kWhDec 22, 2025Goleta, CA 931176.3 kW13.5 kWh$17,646$1.55/W$585/kWhDec 12, 2025Ontario, CA 9176210.8 kW13.5 kWh$35,693$2.14/W$928/kWhDec 4, 2025San Jose, CA 951268.3 kW20 kWh$37,674$2.09/W$1014/kWhOct 22, 2025Monte Rio, CA 954626 kW20 kWh$78,520$4.51/W$2562/kWhMay 20, 2025Redwood City, CA 940627.2 kW20 kWh$39,419$2.13/W$1207/kWhApr 8, 2025Los Altos, CA 9402417.7 kW20 kWh$52,386$2619/kWhMar 26, 2025Saratoga, CA 9507011 kW20 kWh$46,378$1.96/W$1246/kWhMar 26, 2025San Jose, CA 951263.8 kW20 kWh$30,995$2.61/W$1057/kWhMar 25, 2025San Jose, CA 951255.7 kW20 kWh$35,582$2.29/W$1129/kWhMar 14, 2025San Jose, CA 951255.3 kW20 kWh$34,565$2.34/W$1110/kWhMar 14, 2025Los Altos, CA 940247.9 kW20 kWh$40,954$2.16/W$1190/kWhMar 9, 2025Page 1 of 2