NRGTree
42 installs · $3.06/W avg
ACE Solar
232installations on record
$2.88median price per watt
Residential SolarCommercial Solar
Installation Statistics
232
Quotes in Database
11.9 kW
Avg System Size
$36,308
Avg Total Price
Solar Price per Watt
$2.97/W
Average
$2.88/W
Median
$2.70 – $3.18
Typical Range (P25–P75)
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Chatham, MA 0263364 kW39 kWh$178,000$2.15/W$1031/kWhDec 12, 2025Yarmouth, MA 02673153.6 kW120.096 kWh$601,000$3.11/W$1031/kWhDec 9, 2025Lexington, MA 0242074.9 kW$232,224$3.10/WJul 24, 2025Salem, MA 0197020 kW19.4 kWh$88,000—Dec 5, 2023Andover, MA 01810180.3 kW$317,872$1.76/WSep 12, 2023Upton, MA 0156810 kW9.7 kWh$49,575—Aug 31, 2023Oak Bluffs, MA 0255720 kW$64,388$3.22/WJul 7, 2023Ashland, MA 0172112.1 kW$48,760$4.03/WJun 30, 2023Provincetown, MA 026576 kW$344,000—Jun 16, 2023Truro, MA 0266618.4 kW19.4 kWh$92,712—May 19, 2023Dennis, MA 026388 kW$24,200$3.02/WMay 18, 2023Framingham, MA 017018.9 kW$32,600$3.66/WMay 16, 2023Boston, MA 0212814.4 kW9.7 kWh$55,995—May 3, 2023Waltham, MA 024519.2 kW$27,999$3.04/WApr 24, 2023Truro, MA 026667.2 kW$25,135$3.49/WApr 17, 2023Sutton, MA 0159015.4 kW9.7 kWh$62,700—Apr 12, 2023Framingham, MA 0170114.8 kW9.7 kWh$52,300—Mar 30, 2023Natick, MA 0176010 kW$34,850$3.48/WMar 23, 2023Woburn, MA 018019.2 kW$27,960$3.04/WMar 23, 2023Needham, MA 024948.4 kW$27,627$3.29/WMar 22, 2023Page 1 of 12