Warren County, NJ solar installation & market data
Updated August 28, 2026 By The SolarDNA Data Team
Warren County has 2,643 solar installations across 19 zip codes, installations up 38.2% over the trailing twelve months, and an installs-weighted Market Score of 54.
Active installations
2,643
Zip markets
19
Median cost
—
12-mo growth
▲ 38.2%
Installers active
152
County Market Score
Excellent · installs-weighted across 19 zips
Best zip in Warren County scores higher than 99% of U.S. zip markets.
Versus New Jersey
How Warren County compares with the state
Installed cost
—
state median —/W
Market score
54 vs 62
New Jersey scores 62
Share of state installs
1.08%
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
Next-12-month outlook: 315–425 installs (midpoint 370)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
Warren County by year
322 installs in the trailing twelve months vs 233 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Warren County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TRINITY SOLAR | 464 | 125 | 12 | — |
| 2 | SUNRUN | 328 | 7 | 12 | — |
| 3 | MOMENTUM SOLAR | 296 | 24 | 14 | — |
| 4 | GREEN POWER ENERGY | 97 | 18 | 13 | — |
| 5 | TESLA | 86 | 4 | 11 | — |
| 6 | EMT RENEWABLES | 85 | 23 | 9 | — |
| 7 | VISION SOLAR | 41 | 0 | 10 | — |
| 8 | BRIGHT PLANET SOLAR | 33 | 0 | 11 | — |
| 9 | SUNNYMAC | 29 | 10 | 10 | — |
| 10 | EZNERGY | 26 | 0 | 8 | — |
| 11 | FREEDOM FOREVER | 26 | 2 | 8 | — |
| 12 | GREENHOUSE SOLAR | 22 | 0 | 6 | — |
| 13 | SUNTUITY | 20 | 0 | 7 | — |
| 14 | NRG RENEWABLES | 18 | 0 | 9 | — |
| 15 | POSIGEN | 18 | 0 | 7 | — |
| 16 | POWER HOME REMODELING GROUP | 18 | 12 | 5 | — |
| 17 | WHITMAN CONSTRUCTION | 18 | 3 | 7 | — |
| 18 | INFINITY SOLAR SYSTEMS | 17 | 4 | 7 | — |
| 19 | SKYLINE SOLAR | 14 | 4 | 5 | — |
| 20 | SUNGEVITY | 14 | 0 | 7 | — |
| 21 | BIG WAVE ROOFING AND SOLAR | 12 | 10 | 5 | — |
| 22 | SOLAR ME | 12 | 0 | 7 | — |
| 23 | SUNPOWER | 11 | 0 | 7 | — |
| 24 | SEA BRIGHT SOLAR | 11 | 0 | 5 | — |
| 25 | POWER ENERGY SOLUTIONS | 10 | 7 | 7 | — |
Zip markets
Zips in Warren County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 08865 | 624 | — | 64 A |
| 07840 | 474 | — | 56 A |
| 07882 | 396 | — | 54 A |
| 07825 | 283 | — | 49 B |
| 08886 | 192 | — | 49 B |
| 08802 | 143 | — | 49 B |
| 07823 | 141 | — | 49 B |
| 07863 | 105 | — | 49 B |
| 07832 | 90 | — | 49 B |
| 07865 | 77 | — | 48 B |
| 07838 | 74 | — | 48 B |
| 07844 | 11 | — | 48 B |
| 07820 | 10 | — | 48 B |
| 08808 | 7 | — | 48 B |
| 07880 | 6 | — | 48 B |
| 07831 | 4 | — | 48 B |
| 07833 | 2 | — | 48 B |
| 07846 | 2 | — | 48 B |
| 07829 | 2 | — | 48 B |