Willow Grove, PA solar installation & market data
Updated September 30, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Willow Grove has 181 solar installations across 1 zip code at a median installed cost of $4.37/W, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
181
Zip markets
1
Median cost
$4.37/W
12-mo growth
—
Installers active
3
City Market Score
Good · installs-weighted across 1 zips
Best zip in Willow Grove scores higher than 54% of U.S. zip markets.
Versus Pennsylvania
How Willow Grove compares with the state
Installed cost
$1.62/W below
state median $5.99/W
Market score
42 vs 50
Pennsylvania scores 50
Share of state installs
0.20%
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
Willow Grove by year
13 installs in the trailing twelve months vs 18 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Willow Grove
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | GREEN POWER ENERGY | 2 | 0 | 1 | $4.29 |
| 2 | EXACT ELECTRIC | 1 | 0 | 1 | $4.11 |
| 3 | GREENSPRING ENERGY | 1 | 0 | 1 | $5.06 |
Zip markets
Zips in Willow Grove
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 19090 | 181 | $4.37 | 42 C |