SIG Solar Installation Group Inc.
281 installs · $3.72/W avg
Mid Matthews Construction
17installations on record
$2.45median price per watt
Installation Statistics
17
Quotes in Database
35.6 kW
Avg System Size
$69,758
Avg Total Price
Solar Price per Watt
$2.56/W
Average
$2.45/W
Median
Battery Price per kWh
$1025/kWh
Average
$940/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Pleasant Hill, CA 94523307.6 kW30.24 kWh$60,240—Feb 18, 2026Danville, CA 9452617.2 kW40.32 kWh$94,000$2.32/W$1338/kWhFeb 11, 2026Copperopolis, CA 9522822.1 kW34 kWh$78,788$2.12/W$940/kWhJan 27, 2026Antioch, CA 9453114.2 kW40 kWh$69,616$2.45/W$869/kWhDec 30, 2025Angels Camp, CA 9522211.8 kW13.5 kWh$65,000$3.60/W$1657/kWhOct 2, 2025Mokelumne Hill, CA 9524591.6 kW180 kWh$343,904$1.82/W$983/kWhSep 22, 2025Menlo Park, CA 940254.9 kW13.5 kWh$26,000$2.69/W$957/kWhSep 12, 2025Pleasanton, CA 945669 kW27 kWh$42,000$2.30/W$788/kWhAug 29, 2025Portola Valley, CA 9402815.4 kW27 kWh$64,000$2.52/W$939/kWhJul 23, 2025Copperopolis, CA 952288 kW13.5 kWh$30,938$2.31/W$923/kWhMay 28, 2025Calaveras County, CA—22.8 kWh$58,000$2544/kWhMay 12, 2025Menlo Park, CA 940256.6 kW13.5 kWh$29,750$2.52/W$975/kWhApr 30, 2025San Jose, CA 9512410.8 kW18.82 kWh$37,038$1.98/W$835/kWhApr 21, 2025Plymouth, CA 9566926 kW$93,035$3.58/WApr 9, 2025Sonora, CA 953708.7 kW$30,368$3.50/WMar 11, 2025Clayton, CA 9451711.1 kW27 kWh$42,300$2.04/W$727/kWhFeb 24, 2025Lafayette, CA 945495.2 kW5 kWh$20,906$2.68/W$1394/kWhJan 27, 2025