Northampton County, PA solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Northampton County has 3,009 solar installations across 20 zip codes at a median installed cost of $6.31/W, installations down 15.9% over the trailing twelve months, and an installs-weighted Market Score of 34.
Active installations
3,009
Zip markets
20
Median cost
$6.31/W
12-mo growth
▼ 15.9%
Installers active
51
County Market Score
Fair · installs-weighted across 20 zips
Best zip in Northampton County scores higher than 49% of U.S. zip markets.
Versus Pennsylvania
How Northampton County compares with the state
Installed cost
$0.32/W above
state median $5.99/W
Market score
34 vs 50
Pennsylvania scores 50
Share of state installs
3.40%
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: 363–443 installs (midpoint 403)
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
Northampton County by year
438 installs in the trailing twelve months vs 521 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Northampton County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SONIC DEVELOPMENT | 40 | 0 | 14 | $6.34 |
| 2 | ASTRUM SOLAR | 23 | 0 | 9 | $5.26 |
| 3 | HEAT SHED | 16 | 0 | 9 | $6.39 |
| 4 | SOLAR ELECTRIC POWER SYSTEMS | 12 | 0 | 8 | $6.07 |
| 5 | KEYSTONE COUNTRY BUILDING GROUPKEYSTONE RENEWABLE ENERGY SOLUTIONS | 9 | 0 | 5 | $6.30 |
| 6 | ENDLESS MTN SOLAR SERVICES | 8 | 0 | 4 | $7.05 |
| 7 | MICHAEL DALCIN ELECTRIC | 7 | 0 | 4 | $7.83 |
| 8 | GREENSPRING ENERGY | 7 | 0 | 6 | $5.83 |
| 9 | SUNTRICITY POWER | 7 | 0 | 5 | $7.28 |
| 10 | WEST SIDE ELECTRIC COMPANY | 6 | 0 | 5 | $5.65 |
| 11 | CROSS RIVER SOLAR | 6 | 0 | 3 | $6.30 |
| 12 | MIDATLANTIC RENEWABLES | 5 | 0 | 3 | $5.14 |
| 13 | GREEN POWER ENERGY | 4 | 0 | 4 | $3.88 |
| 14 | RENU BUILDING ENERGY SOLUTIONS | 4 | 0 | 3 | $7.23 |
| 15 | KEYSTONE HOME ENERGY SAVERS | 4 | 0 | 2 | $8.71 |
| 16 | EVERGREEN SOLAR AND GEOTHERMAL | 4 | 0 | 4 | $6.39 |
| 17 | BORREGO SOLAR | 4 | 0 | 4 | $5.58 |
| 18 | SOLAR TECHNOLOGY SOLUTIONS | 3 | 0 | 3 | $5.61 |
| 19 | SOLAR RAY | 3 | 0 | 1 | $6.22 |
| 20 | LG ENERGY SOLUTIONS | 3 | 0 | 3 | $8.93 |
| 21 | BETTER WORLD BUILDING TECHNOLOGY | 3 | 0 | 1 | $6.84 |
| 22 | CALIFORNIA GREEN ENERGY CONSTRUCTION | 2 | 0 | 2 | $6.50 |
| 23 | STANDARD SOLAR | 2 | 0 | 2 | $4.80 |
| 24 | SKY SOLAR SOLUTIONS | 2 | 0 | 2 | $7.27 |
| 25 | PENN RENEWABLES | 2 | 0 | 2 | $7.77 |
Zip markets
Zips in Northampton County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 18017 | 442 | $6.55 | 30 F |
| 18045 | 389 | $6.69 | 34 D |
| 18064 | 321 | $6.17 | 35 D |
| 18020 | 295 | $5.65 | 37 D |
| 18067 | 243 | $6.40 | 33 D |
| 18040 | 211 | $6.28 | 34 D |
| 18018 | 164 | $6.00 | 35 D |
| 18042 | 151 | $5.58 | 37 D |
| 18015 | 143 | $6.10 | 34 D |
| 18013 | 137 | $6.67 | 33 F |
| 18014 | 128 | $6.90 | 33 F |
| 18088 | 111 | $6.52 | 33 F |
| 18055 | 84 | $6.48 | 33 F |
| 18091 | 59 | $6.72 | 32 F |
| 18038 | 44 | $5.95 | 34 D |
| 18343 | 40 | $6.28 | 33 F |
| 18072 | 34 | $6.56 | 32 F |
| 18085 | 7 | — | 42 C |
| 18035 | 4 | $4.79 | 40 C |
| 18083 | 2 | — | 42 C |