Key Solar
13installations on record
$2.07median price per watt
Commercial Solar
Installation Statistics
13
Quotes in Database
605.9 kW
Avg System Size
$906,832
Avg Total Price
Solar Price per Watt
$2.13/W
Average
$2.07/W
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Dighton, MA 027153551.2 kW3500 kWh$3,846,941—Sep 4, 2025Boston, MA 02110426.4 kW$1,217,083$2.85/WMar 20, 2025Haverhill, MA 01832381.4 kW$908,879$2.38/WOct 10, 2024Hopkinton, MA 0174825.3 kW$50,000$1.98/WSep 13, 2023Norfolk, MA 02056227.5 kW$780,795$3.43/WSep 6, 2022Framingham, MA 0170231.4 kW$36,048$1.15/WAug 29, 2022Millville, MA 0152987.4 kW$201,257$2.30/WJul 1, 2022Sudbury, MA 01776214.8 kW$360,264$1.68/WMay 13, 2022Grafton, MA 01560304.9 kW$658,025$2.16/WJan 24, 2022Framingham, MA 01702458.8 kW$830,963$1.81/WDec 31, 2021East Bridgewater, MA 023331025.9 kW$1,797,000$1.75/WOct 7, 2021Framingham, MA 01702512.8 kW$958,864$1.87/WAug 3, 2021Woburn, MA 01801628.3 kW$1,613,697$2.57/WFeb 18, 2021