Mount Joy, PA solar installation & market data
Updated September 23, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Mount Joy has 316 solar installations across 1 zip code at a median installed cost of $5.24/W, recent growth not yet measurable, and an installs-weighted Market Score of 39.
Active installations
316
Zip markets
1
Median cost
$5.24/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Mount Joy scores higher than 32% of U.S. zip markets.
Versus Pennsylvania
How Mount Joy compares with the state
Installed cost
$0.75/W below
state median $5.99/W
Market score
39 vs 50
Pennsylvania scores 50
Share of state installs
0.36%
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
Growth & pricing
Mount Joy by year
43 installs in the trailing twelve months vs 32 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Mount Joy
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNLION ENERGY SYSTEMS | 22 | 0 | 1 | $4.87 |
| 2 | JK MECHANICAL | 5 | 0 | 1 | $6.34 |
| 3 | ADVANCED SOLAR | 2 | 0 | 1 | $4.57 |
| 4 | GREENSPRING ENERGY | 2 | 0 | 1 | $6.66 |
| 5 | NOLT ELECTRIC | 2 | 0 | 1 | $5.56 |
| 6 | SMUCKERS ENERGY | 2 | 0 | 1 | $6.80 |
| 7 | ASTRUM SOLAR | 1 | 0 | 1 | $6.14 |
| 8 | ENERGY SYSTEMS AND INSTALLATION | 1 | 0 | 1 | $4.61 |
| 9 | GARDEN SPOT ELECTRIC | 1 | 0 | 1 | $6.48 |
| 10 | HALLER ENTERPRISES | 1 | 0 | 1 | $4.00 |
| 11 | I NEED SOLAR COM | 1 | 0 | 1 | $6.66 |
| 12 | STANDARD SOLAR | 1 | 0 | 1 | $6.06 |
Zip markets
Zips in Mount Joy
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 17552 | 316 | $5.24 | 39 C |