San Diego County Solar
177 installs · $3.27/W avg
KOTA Energy Group
42installations on record
$4.15median price per watt
Residential SolarFinancing Available
Installation Statistics
42
Quotes in Database
8.8 kW
Avg System Size
$46,241
Avg Total Price
Solar Price per Watt
$4.25/W
Average
$4.15/W
Median
$3.61 – $4.84
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Alameda County, CA3.7 kW5 kWh$34,722$5.69/W$2687/kWhMay 27, 2026Alameda County, CA7.1 kW13.6 kWh$51,356$3.75/W$1808/kWhMay 12, 2026El Cerrito, CA 945303 kW$14,440$4.74/WApr 15, 2026Bakersfield, CA 933117.5 kW$27,100$3.62/WMar 13, 2026Burlingame, CA 940108.9 kW$58,877$6.59/WMar 3, 2026Thousand Oaks, CA 913603.2 kW$11,400$3.56/WFeb 26, 2026Long Beach, CA 908155.6 kW$24,619$4.40/WJan 16, 2026Napa, CA 9455912.5 kW$48,692$3.90/WJan 15, 2026Santa Rosa Valley, CA 9301212.4 kW10.08 kWh$113,406—Jan 7, 2026Oakland, CA 946116.7 kW$26,500$3.96/WDec 15, 2025Fremont, CA 945386.7 kW$22,110$3.30/WNov 14, 2025Oakland, CA 946194.1 kW$25,555$6.25/WOct 30, 2025San Rafael, CA 949034.6 kW13.6 kWh$36,411$3.54/W$1488/kWhAug 26, 2025Concord, CA 945207.1 kW5 kWh$36,703$3.67/W$2097/kWhJul 30, 2025Richmond, CA 948058 kW$40,564$5.07/WJul 24, 2025Oakland, CA 9460512.7 kW$56,512$4.44/WJul 17, 2025Berkeley, CA 947058.1 kW$38,950$4.82/WJul 10, 2025Apple Valley, CA 9230728.8 kW$116,000$4.03/WJul 3, 2025San Mateo, CA 944026.7 kW$47,149—Jun 6, 2025Stratford, CA 932665.6 kW$48,869—May 29, 2025Page 1 of 3