Northumberland County, PA solar installation & market data
Updated October 2, 2026 By The SolarDNA Data Team
Northumberland County has 964 solar installations across 25 zip codes at a median installed cost of $5.34/W, installations up 7.7% over the trailing twelve months, and an installs-weighted Market Score of 38.
Active installations
964
Zip markets
25
Median cost
$5.34/W
12-mo growth
▲ 7.7%
Installers active
24
County Market Score
Fair · installs-weighted across 25 zips
Best zip in Northumberland County scores higher than 49% of U.S. zip markets.
Versus Pennsylvania
How Northumberland County compares with the state
Installed cost
$0.65/W below
state median $5.99/W
Market score
38 vs 50
Pennsylvania scores 50
Share of state installs
1.09%
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: 156–190 installs (midpoint 173)
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
Northumberland County by year
167 installs in the trailing twelve months vs 155 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Northumberland County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | LENAPE SOLAR A DIVISION OF HOMETOWN ENERGY SYSTEMS | 10 | 0 | 8 | $4.51 |
| 2 | KC LARSON | 7 | 0 | 4 | $6.49 |
| 3 | SONS POWER | 7 | 0 | 5 | $6.31 |
| 4 | YOUR ENERGY SOLUTIONS | 7 | 0 | 5 | $5.26 |
| 5 | BME SATELLITES SOLAR | 5 | 0 | 4 | $5.53 |
| 6 | SUN DIRECTED | 4 | 0 | 3 | $5.39 |
| 7 | SOLAR UNIVERSE | 4 | 0 | 3 | $5.47 |
| 8 | FUTURE ENERGY | 4 | 0 | 3 | $2.90 |
| 9 | AMERICAN SOLAR AND ENVIRONMENTAL TECHNOLOGY | 4 | 0 | 4 | $5.97 |
| 10 | SUNLION ENERGY SYSTEMS | 3 | 0 | 3 | $3.73 |
| 11 | MAXIMUS SOLAR | 3 | 0 | 3 | $4.89 |
| 12 | ENDLESS MTN SOLAR SERVICES | 3 | 0 | 3 | $5.97 |
| 13 | PARADISE ENERGY SOLUTIONS | 3 | 0 | 3 | $4.55 |
| 14 | GREENSPRING ENERGY | 2 | 0 | 2 | $5.73 |
| 15 | ZARTMAN CONSTRUCTION | 2 | 0 | 2 | $5.57 |
| 16 | ASTRUM SOLAR | 2 | 0 | 1 | $4.52 |
| 17 | ENERGY SYSTEMS AND INSTALLATION | 1 | 0 | 1 | $5.49 |
| 18 | CONTROL ALT ENERGY | 1 | 0 | 1 | $5.73 |
| 19 | SOLAR ELECTRIC POWER SYSTEMS | 1 | 0 | 1 | $5.56 |
| 20 | AZTEC SOLAR POWER | 1 | 0 | 1 | $6.20 |
| 21 | SOLAR ENERGY IS POWER | 1 | 0 | 1 | $4.42 |
| 22 | KEYSTONE ENERGY | 1 | 0 | 1 | $7.41 |
| 23 | UNDERWOOD SOLAR FUTURECOM | 1 | 0 | 1 | $5.16 |
| 24 | RENEWABLE ENERGY FOR PA | 1 | 0 | 1 | $5.93 |
Zip markets
Zips in Northumberland County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 17847 | 196 | $5.11 | 39 C |
| 17801 | 152 | $5.60 | 37 D |
| 17857 | 115 | $4.83 | 40 C |
| 17777 | 109 | $5.89 | 35 D |
| 17824 | 75 | $5.63 | 36 D |
| 17872 | 46 | $5.17 | 38 D |
| 17860 | 44 | $4.91 | 39 C |
| 17866 | 39 | $6.22 | 33 F |
| 17834 | 32 | $4.45 | 41 C |
| 17772 | 30 | $5.16 | 38 D |
| 17830 | 24 | $6.20 | 33 F |
| 17851 | 23 | $5.69 | 35 D |
| 17017 | 21 | $4.29 | 42 C |
| 17823 | 17 | $5.34 | 37 D |
| 17881 | 12 | — | 42 C |
| 17832 | 8 | — | 42 C |
| 17868 | 4 | $5.84 | 35 D |
| 17867 | 4 | — | 42 C |
| 17850 | 3 | — | 42 C |
| 17865 | 3 | — | 42 C |
| 17836 | 2 | — | 42 C |
| 17840 | 2 | — | 42 C |
| 17749 | 1 | — | 42 C |
| 17877 | 1 | — | 42 C |
| 17730 | 1 | — | 42 C |