northernpacificpower.com
407 installs · $3.19/W avg
Summit Technology Group
72installations on record
$3.80median price per watt
Residential SolarCommercial Solar
Installation Statistics
72
Quotes in Database
7.8 kW
Avg System Size
$42,114
Avg Total Price
Solar Price per Watt
$3.77/W
Average
$3.80/W
Median
$3.79 – $3.81
Typical Range (P25–P75)
Battery Price per kWh
$1403/kWh
Average
$1546/kWh
Median
$1078 – $1747
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Francisco, CA 9411010 kW$42,627$4.27/WMay 11, 2026Sonoma County, CA10.6 kW20 kWh$69,000$3.17/W$1775/kWhMay 5, 2026Yountville, CA 945994.8 kW15 kWh$46,510$4.20/W$1747/kWhApr 29, 2026Saint Helena, CA 945747 kW$17,800$2.52/WApr 27, 2026Healdsburg, CA 9544864.6 kW126 kWh$462,000—Apr 14, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WApr 1, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WApr 1, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WMar 30, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WMar 30, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WMar 26, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WMar 26, 2026Piedmont, CA 946114.4 kW$59,000—Mar 13, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 9, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 9, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 6, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 4, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 4, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 4, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 4, 2026Rohnert Park, CA 949283 kW$11,278$3.80/WFeb 4, 2026Page 1 of 4