Allentown, PA solar installation & market data
Updated September 28, 2026 By The SolarDNA Data Team
Allentown has 1,094 solar installations across 6 zip codes at a median installed cost of $6.22/W, installations down 30.6% over the trailing twelve months, and an installs-weighted Market Score of 35.
Active installations
1,094
Zip markets
6
Median cost
$6.22/W
12-mo growth
▼ 30.6%
Installers active
23
City Market Score
Fair · installs-weighted across 6 zips
Best zip in Allentown scores higher than 63% of U.S. zip markets.
Versus Pennsylvania
How Allentown compares with the state
Installed cost
$0.22/W above
state median $5.99/W
Market score
35 vs 50
Pennsylvania scores 50
Share of state installs
1.24%
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: 87–117 installs (midpoint 102)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
Allentown by year
120 installs in the trailing twelve months vs 173 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Allentown
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | ENDLESS MTN SOLAR SERVICES | 5 | 0 | 3 | $7.06 |
| 2 | KEYSTONE COUNTRY BUILDING GROUPKEYSTONE RENEWABLE ENERGY SOLUTIONS | 5 | 0 | 1 | $6.67 |
| 3 | ASTRUM SOLAR | 4 | 0 | 2 | $5.05 |
| 4 | HEAT SHED | 4 | 0 | 1 | $7.13 |
| 5 | AZTEC SOLAR POWER | 3 | 0 | 3 | $5.81 |
| 6 | CROSS RIVER SOLAR | 2 | 0 | 1 | $7.16 |
| 7 | PENN RENEWABLES | 2 | 0 | 1 | $8.87 |
| 8 | BORREGO SOLAR | 2 | 0 | 2 | $5.89 |
| 9 | CMI SOLAR ELECTRIC | 2 | 0 | 1 | $6.31 |
| 10 | SUNPOWER | 2 | 0 | 2 | $6.16 |
| 11 | SOLAR UNIVERSE | 2 | 0 | 1 | $4.07 |
| 12 | MIDATLANTIC RENEWABLES | 2 | 0 | 1 | $4.96 |
| 13 | RENU BUILDING ENERGY SOLUTIONS | 2 | 0 | 2 | $7.27 |
| 14 | LG ENERGY SOLUTIONS | 1 | 0 | 1 | $7.00 |
| 15 | KC GREEN ENERGY | 1 | 0 | 1 | $6.12 |
| 16 | MOORE ENERGY | 1 | 0 | 1 | $6.70 |
| 17 | I NEED SOLAR COM | 1 | 0 | 1 | $5.98 |
| 18 | SUN TO SUN | 1 | 0 | 1 | $4.00 |
| 19 | STANDARD SOLAR | 1 | 0 | 1 | $3.60 |
| 20 | SOLAR ELECTRIC POWER SYSTEMS | 1 | 0 | 1 | $6.40 |
| 21 | KEYSTONE HOME ENERGY SAVERS | 1 | 0 | 1 | $8.88 |
| 22 | EDF RENEWABLE ENERGY | 1 | 0 | 1 | $5.37 |
| 23 | SONIC DEVELOPMENT | 1 | 0 | 1 | $5.82 |