Lehigh County, PA solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Lehigh County has 3,154 solar installations across 28 zip codes at a median installed cost of $6.40/W, installations down 12.6% over the trailing twelve months, and an installs-weighted Market Score of 34.
Active installations
3,154
Zip markets
28
Median cost
$6.40/W
12-mo growth
▼ 12.6%
Installers active
54
County Market Score
Fair · installs-weighted across 28 zips
Best zip in Lehigh County scores higher than 63% of U.S. zip markets.
Versus Pennsylvania
How Lehigh County compares with the state
Installed cost
$0.41/W above
state median $5.99/W
Market score
34 vs 50
Pennsylvania scores 50
Share of state installs
3.57%
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: 328–400 installs (midpoint 364)
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
Lehigh County by year
389 installs in the trailing twelve months vs 445 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Lehigh County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | HEAT SHED | 22 | 0 | 11 | $6.77 |
| 2 | ENDLESS MTN SOLAR SERVICES | 20 | 0 | 11 | $6.34 |
| 3 | ASTRUM SOLAR | 18 | 0 | 13 | $5.36 |
| 4 | KEYSTONE COUNTRY BUILDING GROUPKEYSTONE RENEWABLE ENERGY SOLUTIONS | 17 | 0 | 5 | $6.48 |
| 5 | GREENSPRING ENERGY | 11 | 0 | 8 | $6.24 |
| 6 | SOLAR ELECTRIC POWER SYSTEMS | 11 | 0 | 7 | $6.01 |
| 7 | SONIC DEVELOPMENT | 10 | 0 | 5 | $6.89 |
| 8 | RENU BUILDING ENERGY SOLUTIONS | 9 | 0 | 7 | $6.97 |
| 9 | BERKS SOLAR | 6 | 0 | 5 | $6.33 |
| 10 | ECOMERICA CONSULTING AND CONSTRUCTION | 6 | 0 | 4 | $6.07 |
| 11 | AZTEC SOLAR POWER | 5 | 0 | 5 | $6.10 |
| 12 | ADVANCED SOLAR | 4 | 0 | 3 | $5.90 |
| 13 | MIDATLANTIC RENEWABLES | 4 | 0 | 3 | $5.10 |
| 14 | CROSS RIVER SOLAR | 3 | 0 | 2 | $7.47 |
| 15 | PENN RENEWABLES | 3 | 0 | 2 | $7.57 |
| 16 | CMI SOLAR ELECTRIC | 3 | 0 | 2 | $5.89 |
| 17 | HICKORY RIDGE SOLAR | 3 | 0 | 2 | $6.71 |
| 18 | SUNTRICITY POWER | 3 | 0 | 3 | $7.47 |
| 19 | KC GREEN ENERGY | 3 | 0 | 3 | $4.54 |
| 20 | POWER UP | 2 | 0 | 1 | $6.08 |
| 21 | BETTER WORLD BUILDING TECHNOLOGY | 2 | 0 | 2 | $7.36 |
| 22 | EVERGREEN SOLAR AND GEOTHERMAL | 2 | 0 | 1 | $7.58 |
| 23 | SUNPOWER | 2 | 0 | 2 | $6.16 |
| 24 | PENN SOLAR POWER | 2 | 0 | 2 | $6.24 |
| 25 | SOLAR UNIVERSE | 2 | 0 | 1 | $4.07 |
Zip markets
Zips in Lehigh County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 18103 | 436 | $6.62 | 34 D |
| 18104 | 382 | $6.53 | 34 D |
| 18052 | 307 | $6.63 | 34 D |
| 18062 | 284 | $7.00 | 34 D |
| 18049 | 204 | $6.40 | 33 D |
| 18036 | 189 | $6.54 | 33 F |
| 18031 | 160 | $6.14 | 34 D |
| 18080 | 122 | $6.41 | 33 F |
| 18109 | 116 | $4.00 | 44 C |
| 18032 | 114 | $7.09 | 33 F |
| 18066 | 101 | $6.53 | 33 F |
| 18011 | 98 | $6.34 | 33 F |
| 18037 | 86 | $6.00 | 34 D |
| 18069 | 84 | $5.84 | 35 D |
| 18078 | 81 | $6.25 | 33 D |
| 18102 | 79 | $6.53 | 33 F |
| 18106 | 78 | $5.40 | 37 D |
| 18034 | 73 | $6.45 | 32 F |
| 18051 | 52 | $6.11 | 34 D |
| 18092 | 48 | $6.65 | 32 F |
| 18053 | 31 | $6.02 | 34 D |
| 18059 | 12 | — | 42 C |
| 18087 | 9 | — | 42 C |
| 18101 | 3 | $6.46 | 32 F |
| 18065 | 2 | — | 42 C |
| 18046 | 1 | $5.92 | 34 D |
| 18060 | 1 | $4.09 | 43 C |
| 18079 | 1 | — | 42 C |