Westminster, MA solar installation & market data
Updated March 31, 2023Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Westminster has 315 solar installations across 2 zip codes at a median installed cost of $3.90/W, recent growth not yet measurable, and an installs-weighted Market Score of 48.
Active installations
315
Zip markets
2
Median cost
$3.90/W
12-mo growth
—
Installers active
68
City Market Score
Great · installs-weighted across 2 zips
Best zip in Westminster scores higher than 80% of U.S. zip markets.
Versus Massachusetts
How Westminster compares with the state
Installed cost
$0.27/W below
state median $4.17/W
Market score
48 vs 58
Massachusetts scores 58
Share of state installs
0.22%
of 142.6K tracked statewide
Battery attach
5.1%
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
Westminster by year
16 installs in the trailing twelve months vs 23 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Westminster
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 59 | 1 | 1 | $3.46 |
| 2 | TESLA | 52 | 0 | 1 | $5.52 |
| 3 | TRINITY SOLAR | 19 | 0 | 1 | $3.90 |
| 4 | DIRECT ENERGY SOLAR | 18 | 0 | 1 | $4.55 |
| 5 | ROOF DIAGNOSTICS SOLAR | 18 | 0 | 1 | $3.64 |
| 6 | SUNGEVITY | 14 | 0 | 1 | $3.56 |
| 7 | NEW ENGLAND CLEAN ENERGY | 10 | 0 | 2 | $3.94 |
| 8 | DESIGN WITH NATURE | 9 | 0 | 1 | $3.20 |
| 9 | BOSTON SOLAR | 8 | 0 | 1 | $3.17 |
| 10 | RGS ENERGY | 8 | 0 | 1 | $4.25 |
| 11 | NEXAMP | 7 | 0 | 1 | $4.14 |
| 12 | REVOLUSUN | 6 | 0 | 1 | $3.91 |
| 13 | SOLAR FIVE | 5 | 0 | 1 | $3.70 |
| 14 | SUNPOWER | 4 | 0 | 1 | $4.30 |
| 15 | VISION SOLAR | 4 | 1 | 1 | $3.37 |
| 16 | AVID SOLAR | 3 | 0 | 1 | $3.30 |
| 17 | INTELLIGENT SOLAR SERVICES | 2 | 0 | 1 | $2.79 |
| 18 | EDF RENEWABLE ENERGY | 2 | 0 | 1 | $3.44 |
| 19 | BORREGO SOLAR | 2 | 0 | 1 | $2.40 |
| 20 | ALL ENERGY SOLAR | 2 | 0 | 1 | $3.24 |
| 21 | BRIGHT PLANET SOLAR | 2 | 0 | 1 | $4.95 |
| 22 | PROSTAR ELECTRIC | 2 | 0 | 1 | $2.86 |
| 23 | 1ST LIGHT ENERGY | 2 | 0 | 1 | $3.94 |
| 24 | TRUE ENTERPRISES | 2 | 0 | 2 | $2.99 |
| 25 | AMERGY SOLAR | 2 | 0 | 1 | $4.71 |