Dauphin County, PA solar installation & market data
Updated October 2, 2026 By The SolarDNA Data Team
Dauphin County has 3,332 solar installations across 26 zip codes at a median installed cost of $6.10/W, installations down 7.7% over the trailing twelve months, and an installs-weighted Market Score of 36.
Active installations
3,332
Zip markets
26
Median cost
$6.10/W
12-mo growth
▼ 7.7%
Installers active
46
County Market Score
Fair · installs-weighted across 26 zips
Best zip in Dauphin County scores higher than 53% of U.S. zip markets.
Versus Pennsylvania
How Dauphin County compares with the state
Installed cost
$0.11/W above
state median $5.99/W
Market score
36 vs 50
Pennsylvania scores 50
Share of state installs
3.77%
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: 332–406 installs (midpoint 369)
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
Dauphin County by year
384 installs in the trailing twelve months vs 416 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Dauphin County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNLION ENERGY SYSTEMS | 24 | 0 | 9 | $5.04 |
| 2 | ASTRUM SOLAR | 17 | 0 | 6 | $5.75 |
| 3 | GREENSPRING ENERGY | 15 | 0 | 6 | $5.89 |
| 4 | ABSOLUTE SOLAR AND ENERGY SOLUTIONS | 15 | 0 | 6 | $5.04 |
| 5 | SECCO | 14 | 0 | 8 | $6.77 |
| 6 | I NEED SOLAR COM | 13 | 0 | 8 | $6.03 |
| 7 | CALIFORNIA GREEN ENERGY CONSTRUCTION | 12 | 0 | 8 | $6.17 |
| 8 | JK MECHANICAL | 9 | 0 | 5 | $5.41 |
| 9 | ENERGY SYSTEMS AND INSTALLATION | 9 | 0 | 3 | $4.90 |
| 10 | ADVANCED SOLAR | 8 | 0 | 5 | $6.42 |
| 11 | GREEN ENERGY CONSTRUCTION CONSULTING | 8 | 0 | 5 | $6.58 |
| 12 | HEAT SHED | 5 | 0 | 3 | $6.91 |
| 13 | EARTHSPONSE | 5 | 0 | 4 | $6.86 |
| 14 | KC GREEN ENERGY | 4 | 0 | 3 | $3.67 |
| 15 | ENDLESS MTN SOLAR SERVICES | 4 | 0 | 3 | $7.37 |
| 16 | ALL GOOD ENERGY | 3 | 0 | 2 | $6.74 |
| 17 | EICHELBERGER ENERGY | 3 | 0 | 3 | $6.95 |
| 18 | EDF RENEWABLE ENERGY | 3 | 0 | 2 | $6.08 |
| 19 | STANDARD SOLAR | 2 | 0 | 2 | $4.99 |
| 20 | SOLANCO SOLAR INDUSTRIES | 2 | 0 | 2 | $4.62 |
| 21 | HBMCCLURE | 2 | 0 | 1 | $3.99 |
| 22 | DAFLURE HEATING AND COOLING | 2 | 0 | 1 | $6.34 |
| 23 | SOLAR ENERGY IS POWER | 2 | 0 | 1 | $4.42 |
| 24 | SMUCKERS ENERGY | 1 | 0 | 1 | $7.56 |
| 25 | ENVINITY | 1 | 0 | 1 | $5.46 |
Zip markets
Zips in Dauphin County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 17112 | 671 | $6.19 | 37 D |
| 17111 | 512 | $6.00 | 36 D |
| 17110 | 373 | $6.00 | 36 D |
| 17109 | 364 | $6.17 | 35 D |
| 17036 | 326 | $5.55 | 38 D |
| 17032 | 192 | $6.10 | 34 D |
| 17057 | 160 | $6.00 | 35 D |
| 17113 | 146 | $7.56 | 33 F |
| 17033 | 120 | $5.53 | 37 D |
| 17061 | 89 | $4.42 | 42 C |
| 17018 | 76 | $5.71 | 36 D |
| 17028 | 53 | $5.50 | 37 D |
| 17048 | 46 | $6.12 | 34 D |
| 17023 | 44 | $6.50 | 32 F |
| 17104 | 31 | $6.00 | 34 D |
| 17098 | 29 | $7.10 | 32 F |
| 17102 | 27 | $14.11 | 32 F |
| 17103 | 25 | $6.07 | 34 D |
| 17034 | 18 | — | 42 C |
| 17030 | 14 | $7.00 | 32 F |
| 17101 | 5 | $5.56 | 36 D |
| 17105 | 3 | — | 42 C |
| 17097 | 3 | — | 42 C |
| 17005 | 2 | — | 42 C |
| 17080 | 2 | — | 42 C |
| 17122 | 1 | — | 42 C |