Philadelphia, PA 19151 solar market data
Updated September 16, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Philadelphia 19151 has 245 solar installations at a median installed cost of $7.82/W, installations down 39.8% over the trailing twelve months, and a Market Score of 23 — higher than 0% of U.S. zip markets.
Versus Pennsylvania
How 19151 compares with the state
Installed cost
$1.83/W above
state median $5.99/W
Market score
23 vs 50
Pennsylvania scores 50
Share of state installs
0.28%
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: 47–63 installs (midpoint 55)
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
19151 by year
65 installs in the trailing twelve months vs 108 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 19151
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | ECA SOLAR | 1 | 0 | 2.88 | $7.64 |
| 2 | SOLAR TERRAIN | 1 | 0 | 2.8 | $7.82 |
| 3 | SOLARIS ENERGY | 1 | 0 | 2.3 | $9.05 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 19131 Philadelphia | 2.4 km | 211 | — | 51 |
| 19082 Upper Darby | 2.4 km | 121 | $7.47 | 33 |
| 19139 Philadelphia | 2.7 km | 213 | $6.68 | 33 |
| 19066 Merion Station | 2.9 km | 36 | $6.29 | 33 |
| 19096 Wynnewood | 3.1 km | 105 | $8.04 | 33 |
| 19143 Philadelphia | 4.2 km | 459 | $7.83 | 29 |
Same city
Other zips in Philadelphia
Equipment
What gets installed in 19151
Share of systems with a recorded brand
Modules
SUNTECH POWER100.0%
Inverters
SMA AMERICA50.0%
YASKAWA SOLECTRIA SOLAR50.0%
Frequently asked
Quick answers about 19151
How many solar installations are there in 19151?
SolarDNA counts 245 active solar installations in Philadelphia 19151, 245 of them residential, with data through September 16, 2025.
How much does solar cost in 19151?
The median residential system in 19151 cost $7.82 per watt over the trailing twelve months, $1.83/W above the Pennsylvania median.
Is solar growing in 19151?
Installations in 19151 are down 39.8%: 65 in the trailing twelve months versus 108 before.
Who installs solar in 19151?
ECA SOLAR, SOLAR TERRAIN, SOLARIS ENERGY lead the 3 installers with systems in 19151. The full comp set is above.
Is 19151 a good market for solar sales?
19151 scores 23 out of 100 (Weak, higher than 0% of U.S. zip markets). With under 500 installations the score is provisional.