Bethlehem, PA 18015 solar market data
Updated October 1, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Bethlehem 18015 has 143 solar installations at a median installed cost of $6.10/W, recent growth not yet measurable, and a Market Score of 34 — higher than 12% of U.S. zip markets.
Versus Pennsylvania
How 18015 compares with the state
Installed cost
$0.11/W above
state median $5.99/W
Market score
34 vs 50
Pennsylvania scores 50
Share of state installs
0.16%
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
Growth & pricing
18015 by year
28 installs in the trailing twelve months vs 39 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 18015
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SONIC DEVELOPMENT | 4 | 0 | 9.91 | $6.28 |
| 2 | KEYSTONE COUNTRY BUILDING GROUPKEYSTONE RENEWABLE ENERGY SOLUTIONS | 2 | 0 | 5.4 | $7.08 |
| 3 | MIDATLANTIC RENEWABLES | 2 | 0 | 100.87 | $5.20 |
| 4 | BORREGO SOLAR | 1 | 0 | 191.36 | $5.72 |
| 5 | EVERGREEN SOLAR AND GEOTHERMAL | 1 | 0 | 15.98 | $5.24 |
| 6 | GREEN POWER ENERGY | 1 | 0 | 9.6 | $2.93 |
| 7 | HEAT SHED | 1 | 0 | 19.8 | $4.45 |
| 8 | I NEED SOLAR COM | 1 | 0 | 199.64 | $6.10 |
| 9 | KC GREEN ENERGY | 1 | 0 | 5.88 | $6.23 |
| 10 | RENU BUILDING ENERGY SOLUTIONS | 1 | 0 | 5.55 | $6.57 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 18018 Bethlehem | 3.2 km | 164 | $6.00 | 35 |
| 18055 Hellertown | 5.1 km | 84 | $6.48 | 33 |
| 18109 Allentown | 6.5 km | 116 | $4.00 | 44 |
| 18017 Bethlehem | 6.9 km | 442 | $6.55 | 30 |
| 18103 Allentown | 7.2 km | 436 | $6.62 | 34 |
| 18034 Center Valley | 7.7 km | 73 | $6.45 | 32 |
Same city
Other zips in Bethlehem
Equipment
What gets installed in 18015
Share of systems with a recorded brand
Modules
MAGE SOLAR20.0%
SUNPOWER20.0%
LG ELECTRONICS6.7%
SANYO ELECTRIC OF PANASONIC GROUP6.7%
SCHOTT SOLAR6.7%
Inverters
ENPHASE ENERGY33.3%
SUNPOWER20.0%
PV POWERED13.3%
SMA AMERICA13.3%
UNKNOWN13.3%
Frequently asked
Quick answers about 18015
How many solar installations are there in 18015?
SolarDNA counts 143 active solar installations in Bethlehem 18015, 131 of them residential, with data through October 1, 2025.
How much does solar cost in 18015?
The median residential system in 18015 cost $6.10 per watt over the trailing twelve months, $0.11/W above the Pennsylvania median.
Is solar growing in 18015?
Recent growth cannot be measured yet for 18015: too few recent installs (data runs through October 1, 2025).
Who installs solar in 18015?
SONIC DEVELOPMENT, KEYSTONE COUNTRY BUILDING GROUPKEYSTONE RENEWABLE ENERGY SOLUTIONS, MIDATLANTIC RENEWABLES lead the 10 installers with systems in 18015. The full comp set is above.
Is 18015 a good market for solar sales?
18015 scores 34 out of 100 (Fair, higher than 12% of U.S. zip markets). With under 500 installations the score is provisional.