Cinnamon Energy Systems
449 installs · $3.50/W avg
OSullivan Green Solar
40installations on record
$3.32median price per watt
Residential Solar
Installation Statistics
40
Quotes in Database
6.3 kW
Avg System Size
$38,736
Avg Total Price
Solar Price per Watt
$3.42/W
Average
$3.32/W
Median
$3.06 – $3.55
Typical Range (P25–P75)
Battery Price per kWh
$1294/kWh
Average
$1273/kWh
Median
$1193 – $1408
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Jose, CA 951242.7 kW$11,193$4.09/WMay 5, 2026Sunnyvale, CA 940868.1 kW13.5 kWh$44,774$3.31/W$1327/kWhMar 31, 2026San Jose, CA 951244.4 kW13.6 kWh$29,680$2.96/W$1227/kWhMar 28, 2026Mountain View, CA 940418.8 kW13.6 kWh$45,860$2.95/W$1468/kWhMar 19, 2026San Jose, CA 951235.9 kW13.5 kWh$37,868$3.49/W$1292/kWhMar 18, 2026Los Altos Hills, CA 940227.7 kW27.2 kWh$64,448$3.33/W$1432/kWhJan 27, 2026San Jose, CA 951255.3 kW13.5 kWh$32,716$3.23/W$1162/kWhJan 6, 2026Campbell, CA 950083.9 kW13.6 kWh$28,907$3.10/W$1235/kWhDec 30, 2025Cupertino, CA 950145.3 kW13.5 kWh$34,948$3.37/W$1259/kWhDec 24, 2025San Jose, CA 951246.9 kW13.6 kWh$40,392$3.05/W$1435/kWhDec 17, 2025San Jose, CA 951324.1 kW13.5 kWh$29,360$3.42/W$1135/kWhDec 9, 2025San Jose, CA 9514810 kW13.5 kWh$52,277$3.34/W$1392/kWhNov 17, 2025San Jose, CA 951203.8 kW13.6 kWh$32,305$3.51/W$1388/kWhOct 23, 2025Saratoga, CA 950706 kW13.6 kWh$43,735$3.56/W$1635/kWhOct 9, 2025Los Altos, CA 940247.8 kW13.6 kWh$60,500$4.19/W$2037/kWhSep 17, 2025Santa Clara County, CA8.1 kW13.5 kWh$45,320$3.37/W$1346/kWhSep 16, 2025Campbell, CA 950086.4 kW27.2 kWh$53,192$3.01/W$1242/kWhSep 12, 2025Los Altos, CA 940247.9 kW13.6 kWh$42,824$2.95/W$1435/kWhSep 2, 2025San Jose, CA 951243.8 kW$16,500$4.33/WAug 28, 2025Los Gatos, CA 950328.3 kW27.2 kWh$55,531$2.74/W$1201/kWhAug 23, 2025Page 1 of 2