Westwood, MA solar installation & market data
Updated January 22, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Westwood has 357 solar installations across 1 zip code at a median installed cost of $3.85/W, recent growth not yet measurable, and an installs-weighted Market Score of 48.
Active installations
357
Zip markets
1
Median cost
$3.85/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Westwood scores higher than 82% of U.S. zip markets.
Versus Massachusetts
How Westwood compares with the state
Installed cost
$0.32/W below
state median $4.17/W
Market score
48 vs 58
Massachusetts scores 58
Share of state installs
0.25%
of 142.6K tracked statewide
Battery attach
6.7%
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
Westwood by year
43 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 Westwood
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 62 | 17 | 1 | $3.57 |
| 2 | TESLA | 41 | 12 | 1 | $4.33 |
| 3 | BOSTON SOLAR | 34 | 5 | 1 | $3.59 |
| 4 | 1ST LIGHT ENERGY | 18 | 0 | 1 | $4.16 |
| 5 | REVOLUSUN | 15 | 1 | 1 | $4.58 |
| 6 | TRINITY SOLAR | 14 | 0 | 1 | $3.92 |
| 7 | SUNBUG SOLAR | 13 | 0 | 1 | $4.06 |
| 8 | SUNGEVITY | 12 | 0 | 1 | $3.79 |
| 9 | SUNPOWER | 10 | 2 | 1 | $4.35 |
| 10 | NEXT STEP LIVING | 10 | 0 | 1 | $6.78 |
| 11 | GREAT SKY SOLAR | 9 | 3 | 1 | $3.27 |
| 12 | SECOND GENERATION ENERGY | 8 | 1 | 1 | $3.01 |
Zip markets
Zips in Westwood
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 02090 | 357 | $3.85 | 48 B |