Sun Light & Power
247 installs · $3.82/W avg
A1 Sun, Inc.
127installations on record
$4.06median price per watt
Residential Solar
Installation Statistics
127
Quotes in Database
6.4 kW
Avg System Size
$45,661
Avg Total Price
Solar Price per Watt
$4.10/W
Average
$4.06/W
Median
$3.49 – $4.66
Typical Range (P25–P75)
Battery Price per kWh
$1627/kWh
Average
$1690/kWh
Median
$1516 – $1821
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Contra Costa County, CA10 kW20 kWh$62,482$2.96/W$1640/kWhMay 29, 2026Contra Costa County, CA5.9 kW10 kWh$31,179$2.80/W$1480/kWhMay 28, 2026Alameda County, CA10.8 kW20 kWh$29,795$1.34/W$764/kWhMay 18, 2026Alameda County, CA2.9 kW10 kWh$34,395$4.83/W$2027/kWhMay 18, 2026Kensington, CA 947076.3 kW20 kWh$54,973$3.38/W$1690/kWhApr 21, 2026Oakland, CA 946064.2 kW20 kWh$42,067$3.20/W$1438/kWhApr 20, 2026Berkeley, CA 947079.2 kW20 kWh$51,134$2.52/W$1398/kWhApr 17, 2026Berkeley, CA 9470410 kW$32,544$3.24/WApr 16, 2026El Cerrito, CA 945303.7 kW10 kWh$36,689$4.39/W$2025/kWhApr 15, 2026Berkeley, CA 947045.7 kW$21,812$3.82/WApr 15, 2026Berkeley, CA 947043.8 kW$14,542$3.82/WApr 14, 2026Oakland, CA 946088.6 kW$36,853$4.26/WApr 9, 2026Berkeley, CA 947026.4 kW$64,506—Apr 3, 2026Berkeley, CA 947088.4 kW$43,437$5.20/WApr 2, 2026Berkeley, CA 947029.2 kW$36,344$3.95/WMar 30, 2026Berkeley, CA 947026 kW$64,506—Mar 30, 2026San Leandro, CA 945777.1 kW20 kWh$46,119$2.65/W$1369/kWhMar 30, 2026Berkeley, CA 9470813.3 kW30 kWh$77,801$2.54/W$1465/kWhMar 26, 2026Albany, CA 947064.2 kW10 kWh$39,466$4.39/W$2122/kWhMar 17, 2026Orinda, CA 945636.3 kW20 kWh$48,805$2.98/W$1507/kWhMar 12, 2026Page 1 of 7