Mercer County, NJ solar installation & market data
Updated August 26, 2026 By The SolarDNA Data Team
Mercer County has 10,048 solar installations across 30 zip codes, installations up 44.6% over the trailing twelve months, and an installs-weighted Market Score of 57.
Active installations
10,048
Zip markets
30
Median cost
—
12-mo growth
▲ 44.6%
Installers active
238
County Market Score
Excellent · installs-weighted across 30 zips
Best zip in Mercer County scores higher than 99% of U.S. zip markets.
Versus New Jersey
How Mercer County compares with the state
Installed cost
—
state median —/W
Market score
57 vs 62
New Jersey scores 62
Share of state installs
4.12%
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: 1,040–1,408 installs (midpoint 1,224)
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
Mercer County by year
1,064 installs in the trailing twelve months vs 736 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Mercer County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 1,993 | 81 | 20 | — |
| 2 | TRINITY SOLAR | 907 | 113 | 18 | — |
| 3 | MOMENTUM SOLAR | 765 | 109 | 20 | — |
| 4 | SUNNYMAC | 485 | 80 | 18 | — |
| 5 | TESLA | 365 | 32 | 18 | — |
| 6 | GREEN POWER ENERGY | 251 | 38 | 16 | — |
| 7 | SOLAR ENERGY WORLD | 175 | 66 | 15 | — |
| 8 | EMT RENEWABLES | 160 | 30 | 16 | — |
| 9 | SUNTUITY | 153 | 0 | 18 | — |
| 10 | BRIGHT PLANET SOLAR | 137 | 0 | 18 | — |
| 11 | SKYLINE SOLAR | 120 | 9 | 17 | — |
| 12 | EXACT ELECTRIC | 117 | 0 | 17 | — |
| 13 | SUNPOWER | 113 | 0 | 16 | — |
| 14 | FREEDOM FOREVER | 112 | 27 | 17 | — |
| 15 | VISION SOLAR | 110 | 0 | 19 | — |
| 16 | SEA BRIGHT SOLAR | 105 | 12 | 15 | — |
| 17 | NRG RENEWABLES | 81 | 0 | 15 | — |
| 18 | PUBLIC SERVICE SOLAR | 76 | 27 | 14 | — |
| 19 | AD ENERGY | 71 | 1 | 15 | — |
| 20 | SUNGEVITY | 62 | 0 | 16 | — |
| 21 | NJ SOLAR POWER | 60 | 21 | 14 | — |
| 22 | BIG WAVE ROOFING AND SOLAR | 59 | 41 | 14 | — |
| 23 | POWER ENERGY SOLUTIONS | 58 | 19 | 17 | — |
| 24 | GENRENEW | 53 | 0 | 16 | — |
| 25 | VELOCITY ENERGY & HOME SOLUTIONS | 52 | 34 | 14 | — |
Zip markets
Zips in Mercer County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 08610 | 1,198 | — | 49 B |
| 08540 | 908 | — | 65 A |
| 08648 | 902 | — | 65 A |
| 08619 | 862 | — | 62 A |
| 08550 | 779 | — | 62 A |
| 08520 | 762 | — | 62 A |
| 08690 | 701 | — | 64 A |
| 08691 | 672 | — | 64 A |
| 08638 | 647 | — | 49 B |
| 08618 | 560 | — | 51 A |
| 08620 | 487 | — | 51 A |
| 08534 | 362 | — | 50 B |
| 08628 | 288 | — | 50 B |
| 08629 | 246 | — | 49 B |
| 08525 | 209 | — | 49 B |
| 08560 | 194 | — | 49 B |
| 08611 | 121 | — | 49 B |
| 08609 | 94 | — | 49 B |
| 08542 | 25 | — | 48 B |
| 08544 | 6 | — | 48 B |
| 08543 | 5 | — | 48 B |
| 08561 | 5 | — | 48 B |
| 08650 | 4 | — | 48 B |
| 08608 | 4 | — | 48 B |
| 08605 | 2 | — | 48 B |
| 08541 | 1 | — | 48 B |
| 08601 | 1 | — | 48 B |
| 08625 | 1 | — | 48 B |
| 08602 | 1 | — | 48 B |
| 08645 | 1 | — | 48 B |