Franklin County, MA solar installation & market data
Updated October 16, 2024Older data · growth withheld By The SolarDNA Data Team
Franklin County has 3,342 solar installations across 30 zip codes at a median installed cost of $4.25/W, recent growth not yet measurable, and an installs-weighted Market Score of 46.
Active installations
3,342
Zip markets
30
Median cost
$4.25/W
12-mo growth
—
Installers active
162
County Market Score
Great · installs-weighted across 30 zips
Best zip in Franklin County scores higher than 83% of U.S. zip markets.
Versus Massachusetts
How Franklin County compares with the state
Installed cost
$0.08/W above
state median $4.17/W
Market score
46 vs 58
Massachusetts scores 58
Share of state installs
2.34%
of 142.6K tracked statewide
Battery attach
2.3%
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
Franklin County by year
161 installs in the trailing twelve months vs 193 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Franklin County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | PV SQUARED | 649 | 5 | 26 | $4.54 |
| 2 | SUNRUN | 391 | 9 | 25 | $4.06 |
| 3 | NORTHEAST SOLAR DESIGN ASSOCIATES | 306 | 1 | 25 | $4.19 |
| 4 | SOLAR STORE OF GREENFIELD | 283 | 0 | 25 | $4.41 |
| 5 | TRINITY SOLAR | 270 | 0 | 24 | $3.88 |
| 6 | TESLA | 178 | 1 | 24 | $5.11 |
| 7 | VALLEY SOLAR AND WATER | 116 | 4 | 25 | $4.56 |
| 8 | DIRECT ENERGY SOLAR | 106 | 0 | 20 | $4.14 |
| 9 | ROOF DIAGNOSTICS SOLAR | 89 | 0 | 24 | $3.61 |
| 10 | RGS ENERGY | 84 | 0 | 20 | $4.86 |
| 11 | BERKSHIRE PHOTOVOLTAIC SERVICES | 62 | 0 | 23 | $7.20 |
| 12 | ALL ENERGY SOLAR | 54 | 0 | 16 | $3.92 |
| 13 | ATLANTIC ALTERNATIVE POWER | 54 | 0 | 19 | $4.36 |
| 14 | INSIGHT SOLAR | 43 | 0 | 22 | $4.38 |
| 15 | RENEWED BY THE SON | 39 | 0 | 15 | $4.18 |
| 16 | DEVLIN CONTRACTING MAINTENANCE | 39 | 0 | 14 | $3.99 |
| 17 | SUNBUG SOLAR | 35 | 1 | 19 | $3.62 |
| 18 | BRIGHT PLANET SOLAR | 34 | 0 | 17 | $4.40 |
| 19 | DOMESTIC DC SYSTEMS | 30 | 0 | 7 | $3.36 |
| 20 | GRENERGY SOLAR STORE | 26 | 0 | 7 | $4.84 |
| 21 | VISION SOLAR | 19 | 6 | 13 | $4.72 |
| 22 | GREEN EARTH ENERGY | 19 | 0 | 10 | $4.06 |
| 23 | FREEDOM FOREVER | 16 | 2 | 8 | $3.92 |
| 24 | AR SANDRI | 14 | 0 | 7 | $4.54 |
| 25 | KOSMO SOLAR | 13 | 0 | 10 | $9.00 |
Zip markets
Zips in Franklin County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 01301 | 642 | $4.08 | 49 B |
| 01364 | 253 | $4.09 | 47 B |
| 01373 | 179 | $4.05 | 46 B |
| 01351 | 173 | $4.50 | 44 C |
| 01330 | 162 | $4.50 | 44 C |
| 01370 | 153 | $4.07 | 46 B |
| 01341 | 145 | $4.44 | 44 C |
| 01054 | 143 | $4.46 | 44 C |
| 01375 | 136 | $4.11 | 46 B |
| 01337 | 133 | $4.19 | 46 B |
| 01360 | 129 | $4.45 | 44 C |
| 01376 | 125 | $4.21 | 45 C |
| 01072 | 121 | $4.64 | 43 C |
| 01339 | 111 | $4.58 | 44 C |
| 01093 | 98 | $4.21 | 45 C |
| 01340 | 90 | $4.28 | 45 C |
| 01342 | 83 | $4.37 | 44 C |
| 01354 | 71 | $4.10 | 46 B |
| 01344 | 64 | $4.20 | 45 C |
| 01379 | 63 | $4.62 | 43 C |
| 01338 | 62 | $3.89 | 47 B |
| 01378 | 57 | $4.19 | 45 C |
| 01355 | 55 | $4.23 | 45 C |
| 01346 | 45 | $4.16 | 45 C |
| 01367 | 28 | $4.69 | 43 C |
| 01349 | 10 | $3.63 | 48 B |
| 01347 | 5 | $4.49 | 44 C |
| 01380 | 3 | $5.60 | 38 D |
| 01350 | 2 | $4.01 | 46 B |
| 01302 | 1 | $4.81 | 42 C |