Westford, MA solar installation & market data
Updated March 17, 2023Older data · growth withheld By The SolarDNA Data Team
Westford has 595 solar installations across 1 zip code at a median installed cost of $3.94/W, recent growth not yet measurable, and an installs-weighted Market Score of 49.
Active installations
595
Zip markets
1
Median cost
$3.94/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Westford scores higher than 85% of U.S. zip markets.
Versus Massachusetts
How Westford compares with the state
Installed cost
$0.23/W below
state median $4.17/W
Market score
49 vs 58
Massachusetts scores 58
Share of state installs
0.42%
of 142.6K tracked statewide
Battery attach
7.2%
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
Westford by year
41 installs in the trailing twelve months vs 59 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Westford
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 141 | 6 | 1 | $4.20 |
| 2 | SUNRUN | 104 | 0 | 1 | $3.84 |
| 3 | NEXT STEP LIVING | 35 | 0 | 1 | $6.00 |
| 4 | BOSTON SOLAR | 30 | 0 | 1 | $3.63 |
| 5 | TRINITY SOLAR | 26 | 0 | 1 | $3.81 |
| 6 | REVOLUSUN | 22 | 0 | 1 | $4.03 |
| 7 | SUNGEVITY | 17 | 0 | 1 | $3.66 |
| 8 | SUNLIGHT SOLAR ENERGY | 17 | 0 | 1 | $3.61 |
| 9 | DIRECT ENERGY SOLAR | 15 | 0 | 1 | $4.07 |
| 10 | SUMMIT ENERGY GROUP | 13 | 0 | 1 | $4.22 |
| 11 | NEW ENGLAND CLEAN ENERGY | 11 | 0 | 1 | $4.70 |
| 12 | ROOF DIAGNOSTICS SOLAR | 11 | 0 | 1 | $3.48 |
Zip markets
Zips in Westford
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 01886 | 595 | $3.94 | 49 B |