Winchester, MA solar installation & market data
Updated December 22, 2023Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Winchester has 443 solar installations across 1 zip code at a median installed cost of $4.14/W, recent growth not yet measurable, and an installs-weighted Market Score of 47.
Active installations
443
Zip markets
1
Median cost
$4.14/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Winchester scores higher than 77% of U.S. zip markets.
Versus Massachusetts
How Winchester compares with the state
Installed cost
$0.03/W below
state median $4.17/W
Market score
47 vs 58
Massachusetts scores 58
Share of state installs
0.31%
of 142.6K tracked statewide
Battery attach
6.1%
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
Winchester by year
40 installs in the trailing twelve months vs 48 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Winchester
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 84 | 7 | 1 | $4.73 |
| 2 | TESLA | 67 | 11 | 1 | $4.43 |
| 3 | RGS ENERGY | 36 | 0 | 1 | $5.03 |
| 4 | BOSTON SOLAR | 28 | 3 | 1 | $3.68 |
| 5 | SUNPOWER | 27 | 7 | 1 | $3.94 |
| 6 | SUNBUG SOLAR | 26 | 3 | 1 | $3.88 |
| 7 | REVOLUSUN | 18 | 1 | 1 | $3.83 |
| 8 | BLUE SELENIUM SOLAR | 12 | 0 | 1 | $5.89 |
| 9 | DIRECT ENERGY SOLAR | 12 | 0 | 1 | $4.01 |
| 10 | TRINITY SOLAR | 10 | 0 | 1 | $3.57 |
| 11 | GREAT SKY SOLAR | 9 | 3 | 1 | $2.94 |
| 12 | NEXT STEP LIVING | 8 | 0 | 1 | $5.91 |
Zip markets
Zips in Winchester
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 01890 | 443 | $4.14 | 47 B |