Sunline Energy
768 installs · $3.74/W avg
Alltech Solar Inc
162installations on record
$3.09median price per watt
Residential SolarCommercial Solar
Installation Statistics
162
Quotes in Database
8 kW
Avg System Size
$36,329
Avg Total Price
Solar Price per Watt
$3.39/W
Average
$3.09/W
Median
$2.72 – $3.60
Typical Range (P25–P75)
Battery Price per kWh
$1247/kWh
Average
$1196/kWh
Median
$1056 – $1383
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
San Diego County, CA—11.5 kWh$17,650$1535/kWhMay 21, 2026El Cajon, CA 920201.2 kW$17,650—May 21, 2026National City, CA 919502.5 kW$9,000$3.60/WMay 12, 2026Carlsbad, CA 920109.2 kW13.5 kWh$43,945$2.99/W$1227/kWhApr 30, 2026San Diego County, CA—7.08 kWh$17,500$2472/kWhApr 30, 2026San Diego County, CA—13.5 kWh$43,945—Apr 30, 2026San Diego County, CA—11.5 kWh$69,020—Apr 28, 2026Oceanside, CA 920568.8 kW13.5 kWh$69,020$4.72/W$2045/kWhApr 28, 2026San Diego County, CA—13.5 kWh$43,710—Mar 26, 2026San Diego, CA 921199.2 kW13.5 kWh$43,710$2.92/W$1256/kWhMar 26, 2026San Diego County, CA—11.5 kWh$29,543$2569/kWhMar 19, 2026Chula Vista, CA 919103.8 kW13.5 kWh$29,543$3.57/W$1195/kWhMar 19, 2026San Diego, CA 921195.8 kW13.5 kWh$33,854$3.08/W$1188/kWhMar 19, 2026San Diego County, CA—11.5 kWh$33,854$2944/kWhMar 19, 2026La Mesa, CA 919422.5 kW$8,877$3.55/WMar 17, 2026San Diego County, CA—7.08 kWh$21,900—Mar 13, 2026San Diego County, CA—7.68 kWh$20,527$2673/kWhMar 9, 2026La Mesa, CA 919413.1 kW$27,827—Mar 9, 2026San Diego County, CA—11.5 kWh$15,600$1357/kWhMar 2, 2026Julian, CA 920366.6 kW$40,886$6.21/WFeb 17, 2026Page 1 of 9