Mercer County, PA solar installation & market data
Updated September 30, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Mercer County has 304 solar installations across 18 zip codes at a median installed cost of $5.36/W, installations up 338.5% over the trailing twelve months, and an installs-weighted Market Score of 40.
Active installations
304
Zip markets
18
Median cost
$5.36/W
12-mo growth
▲ 338.5%
Installers active
3
County Market Score
Good · installs-weighted across 18 zips
Best zip in Mercer County scores higher than 53% of U.S. zip markets.
Versus Pennsylvania
How Mercer County compares with the state
Installed cost
$0.64/W below
state median $5.99/W
Market score
40 vs 50
Pennsylvania scores 50
Share of state installs
0.34%
of 88.5K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 48.7%
residential solar added in Pennsylvania, 12 months through Jul 2026
Statewide market
105.3K systems
2.8% of homes · utility-reported through Jul 2026
Next-12-month outlook: 167–227 installs (midpoint 197)
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
171 installs in the trailing twelve months vs 39 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 | GGE | 3 | 0 | 2 | $5.53 |
| 2 | ASTRUM SOLAR | 2 | 0 | 2 | $6.07 |
| 3 | ENERGY INDEPENDENT SOLUTIONS | 1 | 0 | 1 | $4.76 |
Zip markets
Zips in Mercer County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 16125 | 65 | $5.38 | 37 D |
| 16137 | 53 | — | 42 C |
| 16127 | 32 | $5.30 | 37 D |
| 16148 | 27 | — | 42 C |
| 16145 | 17 | $5.29 | 37 D |
| 16159 | 16 | — | 42 C |
| 16134 | 15 | — | 42 C |
| 16150 | 12 | — | 42 C |
| 16154 | 11 | — | 42 C |
| 16153 | 11 | — | 42 C |
| 16124 | 8 | — | 42 C |
| 16114 | 7 | — | 42 C |
| 16130 | 7 | — | 42 C |
| 16146 | 7 | — | 42 C |
| 16133 | 6 | — | 42 C |
| 16121 | 5 | — | 42 C |
| 16311 | 4 | — | 42 C |
| 16151 | 1 | $6.84 | 32 F |