Critical Mass Solar
4 installs · $3.01/W avg
KW Management
20installations on record
$2.12median price per watt
Installation Statistics
20
Quotes in Database
169.1 kW
Avg System Size
$440,001
Avg Total Price
Solar Price per Watt
$2.38/W
Average
$2.12/W
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Litchfield, NH 03052426.8 kW$1,260,000$2.95/WJul 10, 2025Chelmsford, MA 01824227 kW$450,000$1.98/WNov 14, 2024Ashland, MA 01721117.6 kW$266,952$2.27/WJun 26, 2024Ashland, MA 01721117.6 kW$377,000$3.21/WMay 6, 2024Boston, MA 0212532.6 kW$79,865$2.45/WDec 27, 2023Boston, MA 0212549.9 kW$117,574$2.35/WDec 27, 2023Boston, MA 021307.7 kW16.03 kWh$61,720—Dec 8, 2023Durham, NH 0382479.2 kW$168,452$2.13/WNov 15, 2023Haverhill, MA 0183025.9 kW$85,277$3.29/WOct 19, 2023Boston, MA 0212850.4 kW$155,650$3.09/WJun 16, 2023Boston, MA 0212850.4 kW$155,650$3.09/WJun 16, 2023Everett, MA 02149111.5 kW$248,219$2.23/WFeb 10, 2023Boston, MA 02215157.8 kW$410,313$2.60/WAug 8, 2022Lowell, MA 01852125.1 kW$158,000$1.26/WJul 26, 2022Weymouth, MA 02188315.4 kW$659,454$2.09/WApr 15, 2021Weymouth, MA 02188292.7 kW$590,038$2.02/WApr 15, 2021Weymouth, MA 02188313.9 kW$590,038$1.88/WApr 14, 2021Weymouth, MA 02188490.6 kW$937,119$1.91/WApr 13, 2021Weymouth, MA 02188315.4 kW$659,454$2.09/WApr 13, 2021Concord, NH 0330175.2 kW$158,913$2.11/WMar 22, 2021