Adams County, PA solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Adams County has 1,135 solar installations across 15 zip codes at a median installed cost of $5.73/W, installations down 18.8% over the trailing twelve months, and an installs-weighted Market Score of 36.
Active installations
1,135
Zip markets
15
Median cost
$5.73/W
12-mo growth
▼ 18.8%
Installers active
27
County Market Score
Fair · installs-weighted across 15 zips
Best zip in Adams County scores higher than 73% of U.S. zip markets.
Versus Pennsylvania
How Adams County compares with the state
Installed cost
$0.26/W below
state median $5.99/W
Market score
36 vs 50
Pennsylvania scores 50
Share of state installs
1.28%
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: 131–160 installs (midpoint 145)
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
Adams County by year
160 installs in the trailing twelve months vs 197 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Adams County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | GETTYSBURG SOLAR | 17 | 0 | 7 | $5.82 |
| 2 | SUNLION ENERGY SYSTEMS | 14 | 0 | 9 | $5.41 |
| 3 | STEWARTSTOWN ELECTRIC SERVICE | 13 | 0 | 8 | $5.32 |
| 4 | GREENSPRING ENERGY | 12 | 0 | 6 | $6.23 |
| 5 | I NEED SOLAR COM | 11 | 0 | 8 | $5.95 |
| 6 | JK MECHANICAL | 7 | 0 | 4 | $4.79 |
| 7 | ASTRUM SOLAR | 7 | 0 | 4 | $4.86 |
| 8 | USA SOLAR STORE | 6 | 0 | 4 | $6.99 |
| 9 | ADVANCED SOLAR | 5 | 0 | 4 | $5.08 |
| 10 | STANDARD SOLAR | 5 | 0 | 3 | $6.37 |
| 11 | KC GREEN ENERGY | 5 | 0 | 4 | $5.43 |
| 12 | EICHELBERGER ENERGY | 4 | 0 | 3 | $4.91 |
| 13 | GREEN ENERGY CONSTRUCTION CONSULTING | 3 | 0 | 2 | $6.70 |
| 14 | ENDLESS MTN SOLAR SERVICES | 2 | 0 | 2 | $7.31 |
| 15 | DAFLURE HEATING AND COOLING | 2 | 0 | 1 | $7.25 |
| 16 | SECCO | 2 | 0 | 2 | $7.74 |
| 17 | BRIGHT EYE SOLAR | 1 | 0 | 1 | $5.03 |
| 18 | MAXIMUS SOLAR | 1 | 0 | 1 | $6.42 |
| 19 | ENERGY SYSTEMS AND INSTALLATION | 1 | 0 | 1 | $3.50 |
| 20 | ASCOM | 1 | 0 | 1 | $6.68 |
| 21 | HALLER ENTERPRISES | 1 | 0 | 1 | $6.85 |
| 22 | AURORA ENERGY | 1 | 0 | 1 | $8.24 |
| 23 | EDF RENEWABLE ENERGY | 1 | 0 | 1 | $6.24 |
| 24 | SOLULAR | 1 | 0 | 1 | $8.40 |
| 25 | DEER CREEK ELECTRIC | 1 | 0 | 1 | $4.20 |
Zip markets
Zips in Adams County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 17325 | 217 | $5.50 | 37 D |
| 17350 | 216 | $6.09 | 35 D |
| 17340 | 112 | $5.79 | 35 D |
| 17316 | 110 | $5.58 | 36 D |
| 17307 | 98 | $5.24 | 38 D |
| 17301 | 67 | $6.63 | 32 F |
| 17372 | 66 | $5.50 | 37 D |
| 17324 | 66 | $5.35 | 37 D |
| 17320 | 50 | $5.43 | 37 D |
| 17304 | 47 | $6.61 | 32 F |
| 17344 | 39 | — | 42 C |
| 17353 | 33 | $5.50 | 36 D |
| 17303 | 8 | — | 42 C |
| 17306 | 4 | $3.39 | 46 B |
| 17343 | 2 | $5.94 | 34 D |