This is the list of 2017 Top Solar Contractors that are headquartered in Massachusetts. These companies may also work in different states. The listed kilowatts installed by each company could come from installations in states outside of just Massachusetts.
The companies below are a segmented portion of the overall 2017 Top 500 Solar Contractors list, organized by kilowatts (DC) installed in 2016.
| Rank | Company | Overall Rank | City | State | Employees | Primary Market | Primary Service | Total kW Installed | kW installed in 2016 |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Synergy Solar | 50 | Plymouth | MA | 32 | Utility | Installation Subcontractor | 400,047.00 | 56.00 |
| 2 | Nexamp | 56 | Boston | MA | 70 | Commercial | Developer | 1,000,000.00 | 47.00 |
| 3 | Solect Energy | 73 | Hopkinton | MA | 59 | Commercial | Developer | 130,000.00 | 26.00 |
| 4 | ACE Solar | 96 | North Andover | MA | 22 | Residential | EPC | 478,277.06 | 14.00 |
| 5 | Renewable Energy Massachusetts | 98 | Belmont | MA | 3 | Utility | Developer | 32.00 | 13.00 |
| 6 | Ameresco | 139 | Framingham | MA | 1000 | Commercial | Developer | 444,600.00 | 7.00 |
| 7 | SolarFlair Energy | 166 | Medway | MA | 67 | Residential | EPC | 38,044.00 | 5.00 |
| 8 | Boston Solar | 185 | Woburn | MA | 60 | Residential | Rooftop Contractor | 51,895.00 | 4.00 |
| 9 | PV Squared | 243 | Greenfield | MA | 46 | Residential | Rooftop Contractor | 19,239.00 | 2.00 |
| 10 | Solaris Renewables | 258 | Danvers | MA | 49 | Residential | EPC | 22,521.22 | 2.00 |
| 11 | Renewable Construction Services | 291 | New Bedford | MA | 10 | Commercial | Rooftop Contractor | 5.00 | 1.00 |
| 12 | New England Clean Energy | 306 | Hudson | MA | 40 | Residential | Rooftop Contractor | 10.00 | 1.00 |
| 13 | Southern Light Solar | 327 | New Bedford | MA | 15 | Commercial | EPC | 3,798.00 | 1.00 |
| 14 | Mass Renewables | 355 | Bellingham | MA | 15 | Residential | EPC | 8,000.00 | 1.00 |
| 15 | Solar Rising | 359 | Mashpee | MA | 8 | Residential | Rooftop Contractor | 5,530.00 | 1.00 |
| 16 | South Mountain Company | 397 | West Tisbury | MA | 36 | Residential | Installation Subcontractor | 3.00 | 698.00 |
| 17 | Solar Five | 406 | Lexington | MA | 20 | Residential | EPC | 1.00 | 645.00 |
| 18 | Brightstar Solar | 423 | Marlborough | MA | 8 | Residential | Rooftop Contractor | 5,303.00 | 515.00 |
| 19 | Clean Energy Design | 469 | Osterville | MA | 7 | Residential | EPC | 2.00 | 293.00 |