Belmont, MA solar installation & market data
Updated November 8, 2018Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Belmont has 310 solar installations across 1 zip code at a median installed cost of $3.70/W, recent growth not yet measurable, and an installs-weighted Market Score of 49.
Active installations
310
Zip markets
1
Median cost
$3.70/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Belmont scores higher than 84% of U.S. zip markets.
Versus Massachusetts
How Belmont compares with the state
Installed cost
$0.47/W below
state median $4.17/W
Market score
49 vs 58
Massachusetts scores 58
Share of state installs
0.22%
of 142.6K tracked statewide
Battery attach
0.0%
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
Belmont by year
26 installs in the trailing twelve months vs 37 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Belmont
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | DIRECT ENERGY SOLAR | 228 | 0 | 1 | $3.70 |
| 2 | SUNBUG SOLAR | 31 | 0 | 1 | $4.11 |
| 3 | TESLA | 8 | 0 | 1 | $4.98 |
| 4 | SUNLIGHT SOLAR ENERGY | 5 | 0 | 1 | $3.76 |
| 5 | BOSTON SOLAR | 4 | 0 | 1 | $4.23 |
| 6 | UNITED SOLAR ASSOCIATES | 3 | 0 | 1 | $3.45 |
| 7 | DIVERSIFIED CONSTRUCTION SERVICES | 2 | 0 | 1 | $3.58 |
| 8 | ENDLESS MTN SOLAR SERVICES | 2 | 0 | 1 | $4.96 |
| 9 | GREAT SKY SOLAR | 2 | 0 | 1 | $3.67 |
| 10 | NEW ENGLAND CLEAN ENERGY | 2 | 0 | 1 | $6.36 |
| 11 | REVOLUSUN | 2 | 0 | 1 | $5.93 |
| 12 | SOLAR ROOF SYSTEMS | 2 | 0 | 1 | $4.41 |
Zip markets
Zips in Belmont
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 02478 | 310 | $3.70 | 49 B |