Somerville, MA solar installation & market data
Updated April 30, 2024Older data · growth withheld By The SolarDNA Data Team
Somerville has 757 solar installations across 3 zip codes at a median installed cost of $4.04/W, recent growth not yet measurable, and an installs-weighted Market Score of 47.
Active installations
757
Zip markets
3
Median cost
$4.04/W
12-mo growth
—
Installers active
82
City Market Score
Great · installs-weighted across 3 zips
Best zip in Somerville scores higher than 78% of U.S. zip markets.
Versus Massachusetts
How Somerville compares with the state
Installed cost
$0.13/W below
state median $4.17/W
Market score
47 vs 58
Massachusetts scores 58
Share of state installs
0.53%
of 142.6K tracked statewide
Battery attach
1.7%
state 3.1%
Statewide momentum
▲ 22.8%
residential solar added in Massachusetts, 12 months through Jul 2026
Statewide market
233.7K systems
13.3% of homes · utility-reported through Jul 2026
Growth & pricing
Somerville by year
39 installs in the trailing twelve months vs 51 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Somerville
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNBUG SOLAR | 128 | 7 | 3 | $4.38 |
| 2 | SOLARFLAIR ENERGY | 110 | 0 | 3 | $3.36 |
| 3 | TESLA | 80 | 2 | 3 | $5.05 |
| 4 | TRINITY SOLAR | 41 | 0 | 3 | $4.20 |
| 5 | SUNRUN | 39 | 8 | 3 | $3.45 |
| 6 | NEXT STEP LIVING | 33 | 0 | 3 | $6.46 |
| 7 | BOSTON SOLAR | 32 | 4 | 3 | $4.02 |
| 8 | REVOLUSUN | 29 | 1 | 3 | $4.38 |
| 9 | GREAT SKY SOLAR | 27 | 5 | 3 | $3.35 |
| 10 | REVISION ENERGY | 22 | 5 | 2 | $3.98 |
| 11 | SUNGEVITY | 21 | 0 | 3 | $4.67 |
| 12 | SUNLIGHT SOLAR ENERGY | 19 | 0 | 3 | $3.77 |
| 13 | INVALEON TECHNOLOGIES | 11 | 0 | 3 | $3.28 |
| 14 | ROOF DIAGNOSTICS SOLAR | 11 | 0 | 3 | $4.07 |
| 15 | UNITED SOLAR ASSOCIATES | 9 | 0 | 3 | $2.97 |
| 16 | NUWATT ENERGY | 7 | 0 | 3 | $3.54 |
| 17 | FREEDOM FOREVER | 6 | 0 | 2 | $4.19 |
| 18 | BRIGHTWAY ENERGY | 6 | 4 | 3 | $3.91 |
| 19 | ACE RESIDENTIAL SOLAR | 6 | 0 | 3 | $3.58 |
| 20 | SOLAR DESIGN ASSOCIATES | 5 | 0 | 3 | $4.67 |
| 21 | 1ST LIGHT ENERGY | 5 | 0 | 2 | $4.43 |
| 22 | DIRECT ENERGY SOLAR | 4 | 0 | 3 | $4.12 |
| 23 | SUNPOWER | 4 | 1 | 2 | $4.57 |
| 24 | ACE SOLAR | 4 | 0 | 2 | $3.56 |
| 25 | APEX SOLAR | 4 | 0 | 3 | $3.17 |