Wellesley, MA solar installation & market data
Updated September 21, 2018Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Wellesley has 50 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 47.
Active installations
50
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 Wellesley scores higher than 78% of U.S. zip markets.
Versus Massachusetts
How Wellesley compares with the state
Installed cost
$0.47/W below
state median $4.17/W
Market score
47 vs 58
Massachusetts scores 58
Share of state installs
0.04%
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
Wellesley by year
8 installs in the trailing twelve months vs 3 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Wellesley
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | DIRECT ENERGY SOLAR | 30 | 0 | 1 | $3.70 |
| 2 | SUNBUG SOLAR | 5 | 0 | 1 | $4.73 |
| 3 | ADVANCED ENERGY SYSTEMS DEVELOPMENT | 2 | 0 | 1 | $4.30 |
| 4 | J ROBERT CONNOR | 2 | 0 | 1 | $4.21 |
| 5 | REVOLUSUN | 2 | 0 | 1 | $4.68 |
| 6 | UNITED SOLAR ASSOCIATES | 2 | 0 | 1 | $4.00 |
| 7 | BLUE SELENIUM SOLAR | 1 | 0 | 1 | $4.86 |
| 8 | BOSTON SOLAR | 1 | 0 | 1 | $3.89 |
| 9 | ENERGY MONSTER | 1 | 0 | 1 | $2.49 |
| 10 | GREAT SKY SOLAR | 1 | 0 | 1 | $3.87 |
| 11 | NEW DAY SOLAR | 1 | 0 | 1 | $3.79 |
| 12 | NEW ENGLAND RENEWABLE ENERGY GROUP | 1 | 0 | 1 | $2.77 |
Zip markets
Zips in Wellesley
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 02482 | 50 | $3.70 | 47 B |