Union County, PA solar installation & market data
Updated September 30, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Union County has 373 solar installations across 10 zip codes at a median installed cost of $5.58/W, installations down 3.6% over the trailing twelve months, and an installs-weighted Market Score of 36.
Active installations
373
Zip markets
10
Median cost
$5.58/W
12-mo growth
▼ 3.6%
Installers active
19
County Market Score
Fair · installs-weighted across 10 zips
Best zip in Union County scores higher than 53% of U.S. zip markets.
Versus Pennsylvania
How Union County compares with the state
Installed cost
$0.42/W below
state median $5.99/W
Market score
36 vs 50
Pennsylvania scores 50
Share of state installs
0.42%
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: 48–58 installs (midpoint 53)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
Union County by year
54 installs in the trailing twelve months vs 56 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Union County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SONS POWER | 12 | 0 | 3 | $6.04 |
| 2 | YOUR ENERGY SOLUTIONS | 10 | 0 | 4 | $5.46 |
| 3 | ENERGY INDEPENDENT SOLUTIONS | 6 | 0 | 1 | $5.54 |
| 4 | LENAPE SOLAR A DIVISION OF HOMETOWN ENERGY SYSTEMS | 5 | 0 | 4 | $5.21 |
| 5 | PARADISE ENERGY SOLUTIONS | 4 | 0 | 3 | $4.74 |
| 6 | ENVINITY | 4 | 0 | 3 | $6.17 |
| 7 | AMERICAN SOLAR AND ENVIRONMENTAL TECHNOLOGY | 3 | 0 | 1 | $5.85 |
| 8 | KC LARSON | 3 | 0 | 3 | $6.40 |
| 9 | GREENSPRING ENERGY | 2 | 0 | 2 | $6.50 |
| 10 | ADVANCED SOLAR | 2 | 0 | 1 | $5.60 |
| 11 | SUNLION ENERGY SYSTEMS | 2 | 0 | 1 | $4.50 |
| 12 | ASTRUM SOLAR | 2 | 0 | 2 | $5.85 |
| 13 | FUTURE ENERGY | 2 | 0 | 2 | $5.38 |
| 14 | SOLAR UNIVERSE | 1 | 0 | 1 | $3.25 |
| 15 | JK MECHANICAL | 1 | 0 | 1 | $4.00 |
| 16 | SUN TO SUN | 1 | 0 | 1 | $6.12 |
| 17 | SUN DIRECTED | 1 | 0 | 1 | $5.66 |
| 18 | ENDLESS MTN SOLAR SERVICES | 1 | 0 | 1 | $6.77 |
| 19 | ELECTRIC DESIGN BUILD | 1 | 0 | 1 | $6.38 |