Boston Solar
834 installs · $3.65/W avg
NuWatt Energy
209installations on record
$3.15median price per watt
Residential SolarCommercial SolarFinancing Available
Installation Statistics
209
Quotes in Database
9.1 kW
Avg System Size
$29,989
Avg Total Price
Solar Price per Watt
$3.22/W
Average
$3.15/W
Median
$2.89 – $3.38
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Avon, CT 0600115.1 kW$58,429$3.86/WDec 12, 2025Monroe, CT 064687.6 kW$22,302$2.95/WJun 20, 2025Norwalk, CT 0685511.8 kW$32,810$2.79/WJun 18, 2025Willington, CT 0627912 kW$49,195$4.10/WMay 30, 2025Brookline, MA 0244515.2 kW10.08 kWh$67,303—Apr 29, 2024Newton, MA 0246122 kW$76,165$3.46/WFeb 22, 2024Lexington, MA 0242111.2 kW9.984 kWh$60,593—Jan 12, 2024Newton, MA 024608 kW$25,520$3.19/WJan 11, 2024Sharon, MA 020678 kW$28,570$3.57/WJan 4, 2024Tiverton, RI7.2 kW$43,852—Dec 13, 2023Somerville, MA 021448 kW$29,760$3.72/WDec 11, 2023North Smithfield, RI13.3 kW$74,930$5.63/WDec 6, 2023Waltham, MA 0245313.2 kW$44,620$3.38/WNov 30, 2023Cambridge, MA 021386.4 kW$28,800$4.50/WNov 27, 2023Waltham, MA 024537.2 kW$23,904$3.32/WNov 16, 2023Newton, MA 024688 kW$29,200$3.65/WNov 15, 2023Mattapoisett, MA 0273912.8 kW$41,728$3.26/WOct 31, 2023Brookline, MA 0244510 kW$33,000$3.30/WOct 31, 2023Watertown, MA 024726.8 kW$23,800$3.50/WOct 23, 2023Pawtucket, RI8 kW$29,120$3.64/WOct 18, 2023Page 1 of 11