Dorchester, MA solar installation & market data
Updated July 12, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Dorchester has 427 solar installations across 3 zip codes at a median installed cost of $4.32/W, recent growth not yet measurable, and an installs-weighted Market Score of 45.
Active installations
427
Zip markets
3
Median cost
$4.32/W
12-mo growth
—
Installers active
66
City Market Score
Good · installs-weighted across 3 zips
Best zip in Dorchester scores higher than 72% of U.S. zip markets.
Versus Massachusetts
How Dorchester compares with the state
Installed cost
$0.15/W above
state median $4.17/W
Market score
45 vs 58
Massachusetts scores 58
Share of state installs
0.30%
of 142.6K tracked statewide
Battery attach
1.8%
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
Dorchester by year
34 installs in the trailing twelve months vs 39 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Dorchester
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 91 | 24 | 3 | $3.63 |
| 2 | TESLA | 82 | 0 | 3 | $5.09 |
| 3 | TRINITY SOLAR | 23 | 0 | 3 | $4.11 |
| 4 | FREEDOM FOREVER | 19 | 3 | 3 | $4.29 |
| 5 | SOLECT ENERGY | 17 | 0 | 3 | $3.81 |
| 6 | MASSAMERICAN ENERGY | 16 | 0 | 1 | $3.30 |
| 7 | BOSTON SOLAR | 14 | 2 | 3 | $4.12 |
| 8 | ROOF DIAGNOSTICS SOLAR | 11 | 0 | 3 | $4.22 |
| 9 | NEXT STEP LIVING | 10 | 0 | 3 | $5.84 |
| 10 | BRIGHT PLANET SOLAR | 9 | 2 | 3 | $4.07 |
| 11 | SUNBUG SOLAR | 9 | 2 | 3 | $3.79 |
| 12 | VISION SOLAR | 9 | 2 | 3 | $3.89 |
| 13 | PALMETTO SOLAR | 8 | 0 | 3 | $4.69 |
| 14 | SUNPOWER | 6 | 1 | 2 | $4.88 |
| 15 | LIGHTHOUSE ELECTRIC CONTRACTING INCALDON ELECTRIC | 6 | 0 | 3 | $7.94 |
| 16 | ACE RESIDENTIAL SOLAR | 5 | 0 | 3 | $4.88 |
| 17 | SUMMIT ENERGY GROUP | 5 | 0 | 3 | $4.87 |
| 18 | SOLAR FIVE | 4 | 0 | 2 | $4.61 |
| 19 | DIRECT ENERGY SOLAR | 4 | 0 | 2 | $4.36 |
| 20 | SUNGEVITY | 4 | 0 | 2 | $5.43 |
| 21 | DEVLIN CONTRACTING MAINTENANCE | 4 | 0 | 3 | $4.52 |
| 22 | SKYLINE SOLAR | 3 | 0 | 2 | $4.93 |
| 23 | REVOLUSUN | 3 | 0 | 2 | $4.09 |
| 24 | S WOOD ELECTRIC SERVICE | 3 | 0 | 1 | $2.18 |
| 25 | BORREGO SOLAR | 3 | 0 | 2 | $8.43 |