Westfield, NJ solar installation & market data
Updated June 2, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Westfield has 232 solar installations across 2 zip codes, recent growth not yet measurable, and an installs-weighted Market Score of 49.
Active installations
232
Zip markets
2
Median cost
—
12-mo growth
—
Installers active
49
City Market Score
Great · installs-weighted across 2 zips
Best zip in Westfield scores higher than 86% of U.S. zip markets.
Versus New Jersey
How Westfield compares with the state
Installed cost
—
state median —/W
Market score
49 vs 62
New Jersey scores 62
Share of state installs
0.10%
of 244.1K tracked statewide
Battery attach
100.0%
state 99.8%
Statewide momentum
▲ 20.1%
residential solar added in New Jersey, 12 months through Jul 2026
Statewide market
239.1K systems
10.4% of homes · utility-reported through Jul 2026
Growth & pricing
Westfield by year
38 installs in the trailing twelve months vs 18 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Westfield
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 29 | 7 | 1 | — |
| 2 | TRINITY SOLAR | 24 | 7 | 1 | — |
| 3 | SUNRUN | 20 | 3 | 1 | — |
| 4 | GREEN POWER ENERGY | 13 | 2 | 1 | — |
| 5 | MOMENTUM SOLAR | 11 | 1 | 1 | — |
| 6 | INFINITY SOLAR SYSTEMS | 9 | 3 | 1 | — |
| 7 | SOLAR ME | 8 | 0 | 1 | — |
| 8 | SUNNYMAC | 7 | 1 | 1 | — |
| 9 | GEOPEAK ENERGY | 5 | 0 | 1 | — |
| 10 | GREENHOUSE SOLAR | 4 | 0 | 1 | — |
| 11 | GREEN SUN ENERGY SERVICES | 3 | 0 | 1 | — |
| 12 | SEA BRIGHT SOLAR | 3 | 0 | 1 | — |
| 13 | BIG WAVE ROOFING AND SOLAR | 3 | 2 | 1 | — |
| 14 | VISION SOLAR | 3 | 0 | 1 | — |
| 15 | SUNPOWER | 3 | 0 | 1 | — |
| 16 | BRIGHT PLANET SOLAR | 2 | 0 | 1 | — |
| 17 | FUSION SOLAR ENERGY | 2 | 0 | 1 | — |
| 18 | VENTURE HOME SOLAR | 2 | 2 | 1 | — |
| 19 | EXACT ELECTRIC | 2 | 0 | 1 | — |
| 20 | AMPERICON | 2 | 0 | 1 | — |
| 21 | PUBLIC SERVICE SOLAR | 2 | 1 | 1 | — |
| 22 | NJ SOLAR POWER | 2 | 1 | 1 | — |
| 23 | EMT RENEWABLES | 2 | 0 | 1 | — |
| 24 | PALMETTO SOLAR | 1 | 0 | 1 | — |
| 25 | SUNGEVITY | 1 | 0 | 1 | — |