A1 Sun, Inc.
127 installs · $4.10/W avg
TSP Roofing & Solar
55installations on record
$3.21median price per watt
Residential SolarCommercial SolarFinancing Available
Installation Statistics
55
Quotes in Database
8.1 kW
Avg System Size
$47,990
Avg Total Price
Solar Price per Watt
$3.42/W
Average
$3.21/W
Median
$3.01 – $3.62
Typical Range (P25–P75)
Battery Price per kWh
$1305/kWh
Average
$1227/kWh
Median
$1119 – $1375
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Danville, CA 945068.4 kW14 kWh$40,650$2.92/W$1162/kWhMay 20, 2026Belmont, CA 940025.6 kW14 kWh$28,464$2.63/W$972/kWhMay 14, 2026Santa Clara County, CA6.3 kW10 kWh$35,380$3.04/W$1634/kWhMay 13, 2026Woodside, CA 9406210.9 kW27 kWh$58,000$2.83/W$1008/kWhMay 13, 2026Hillsborough, CA 940107.5 kW14 kWh$44,900$3.46/W$1349/kWhMay 13, 2026San Jose, CA 951244.2 kW14 kWh$36,700$4.17/W$1376/kWhMay 12, 2026Vacaville, CA 9568710.4 kW27 kWh$63,750$3.19/W$1126/kWhMay 12, 2026Orinda, CA 945637.5 kW14 kWh$34,220$2.63/W$1034/kWhApr 27, 2026Capitola, CA 950103.8 kW$14,987$3.98/WApr 24, 2026Concord, CA 945215.9 kW13.5 kWh$34,200$3.14/W$1172/kWhApr 21, 2026San Francisco, CA 941326.3 kW14 kWh$34,800$3.03/W$1129/kWhApr 9, 2026Mill Valley, CA 949416.3 kW14 kWh$38,300$3.33/W$1242/kWhApr 7, 2026San Jose, CA 951269.2 kW13.5 kWh$58,000$3.95/W$1620/kWhMar 19, 2026Pleasanton, CA 9456611.7 kW27 kWh$58,500$2.73/W$982/kWhMar 19, 2026South San Francisco, CA 940806 kW$21,120$3.53/WMar 16, 2026Sunnyvale, CA 940857.1 kW13.5 kWh$42,000$3.40/W$1322/kWhMar 11, 2026Daly City, CA 940145.6 kW13.5 kWh$32,100$3.05/W$1115/kWhMar 11, 2026San Jose, CA 951206.3 kW27 kWh$48,440$3.27/W$1035/kWhMar 10, 2026Oakland, CA 946117.4 kW27 kWh$116,500—Mar 5, 2026Pinole, CA 945648.4 kW13.5 kWh$47,000$3.41/W$1372/kWhMar 5, 2026Page 1 of 3