effect energy
82 installs · $2.98/W avg
Eco Solar USA
181installations on record
$4.02median price per watt
Residential SolarCommercial Solar
Installation Statistics
181
Quotes in Database
4.7 kW
Avg System Size
$23,055
Avg Total Price
Solar Price per Watt
$3.98/W
Average
$4.02/W
Median
$3.45 – $4.41
Typical Range (P25–P75)
Battery Price per kWh
$1259/kWh
Average
$1259/kWh
Median
$1139 – $1379
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Fountain Valley, CA 927082.2 kW$8,250$3.75/WMay 20, 2026Huntington Beach, CA 926482.5 kW$9,500$3.86/WMay 20, 2026Stanton, CA 906802.6 kW$8,300$3.14/WMay 20, 2026Fountain Valley, CA 927084.4 kW$13,250$3.01/WMay 18, 2026Garden Grove, CA 928432.5 kW$12,500$4.95/WMay 18, 2026Anaheim, CA 928042.3 kW$10,250$4.46/WMay 18, 2026Santa Ana, CA 927062.6 kW$10,500$3.98/WMay 13, 2026Stanton, CA 906802.6 kW$10,640$4.03/WMay 13, 2026Garden Grove, CA 928442.3 kW$10,310$4.48/WMay 13, 2026Corona, CA 928822.5 kW$10,480$4.26/WMay 11, 2026Garden Grove, CA 928404 kW$13,000$3.25/WMay 9, 2026Edwards, CA 935234 kW13.5 kWh$35,000$4.15/W$1376/kWhMay 9, 2026Stanton, CA 906802.8 kW$10,940$3.96/WMay 9, 2026Westminster, CA 926832.8 kW$11,950$4.25/WMay 9, 2026Fountain Valley, CA 927082.2 kW$8,500$3.86/WMay 7, 2026Costa Mesa, CA 926267.4 kW15 kWh$37,072$2.58/W$1203/kWhMay 4, 2026Brea, CA 928212.3 kW$10,300$4.48/WMay 4, 2026Westminster, CA 926833.9 kW$13,500$3.45/WApr 30, 2026Fountain Valley, CA 927082.2 kW$9,300$4.23/WApr 28, 2026Santa Ana, CA 927072.2 kW$9,100$4.18/WApr 24, 2026Page 1 of 10