Solar installations in Middlesex County, MA
29,951 recorded installations in Middlesex County, Massachusetts — capacity, prices and the installers doing the work.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
Most active
Top installers in Middlesex County
| # | Installer | Installs here |
|---|---|---|
| 1 | Sunrun | 7,647 |
| 2 | Tesla Energy | 4,564 |
| 3 | Trinity Solar | 1,954 |
| 4 | Boston Solar | 1,211 |
| 5 | Direct Energy Solar Formerly Astrum | 1,196 |
| 6 | Sunbug Solar | 1,170 |
| 7 | Solarflair Energy | 824 |
| 8 | Next Step Living | 649 |
| 9 | Sungevity Development | 632 |
| 10 | Revolusun | 610 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Middlesex County?
The Tracking the Sun dataset records 29,951 solar installations in Middlesex County, Massachusetts (571.4 MW of capacity). Dataset coverage depends on Massachusetts's reporting programs, so the true total is higher.
How much does solar cost in Middlesex County?
The median installed price for recorded systems in Middlesex County is $4.08/W pre-incentive; the median system runs 7.3 kW.
Who installs solar in Middlesex County?
The most active recorded installers in Middlesex County are Sunrun, Tesla Energy, Trinity Solar.
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. See methodology.