Willowbrook, IL 60527 solar market data
Updated September 24, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Willowbrook 60527 has 155 solar installations, recent growth not yet measurable, and a Market Score of 42 — higher than 48% of U.S. zip markets.
Versus Illinois
How 60527 compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.14%
of 112.7K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 23.1%
residential solar added in Illinois, 12 months through Jul 2026
Statewide market
136.9K systems
4.0% of homes · utility-reported through Jul 2026
Growth & pricing
60527 by year
27 installs in the trailing twelve months vs 24 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 60527
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 9 | 4 | 12.28 | — |
| 2 | FRESH COAST SOLAR | 6 | 4 | 60.33 | — |
| 3 | CERTASUN | 5 | 4 | 12.07 | — |
| 4 | UNITY SOLAR GROUP | 4 | 3 | 14.81 | — |
| 5 | KAPITAL ELECTRIC | 3 | 1 | 11.8 | — |
| 6 | TRUHOME PROS | 3 | 1 | 12.57 | — |
| 7 | SUNPOWER | 2 | 2 | 13.87 | — |
| 8 | SUNRISE SOLAR | 2 | 2 | 16.69 | — |
| 9 | FREEDOM FOREVER | 2 | 1 | 9.61 | — |
| 10 | ALL ENERGY SOLAR | 1 | 1 | 9 | — |
| 11 | GREEN GRIDS SOLAR | 1 | 1 | 8.7 | — |
| 12 | SOLAR MITE ILLINOIS | 1 | 1 | 129.71 | — |
Frequently asked
Quick answers about 60527
How many solar installations are there in 60527?
SolarDNA counts 155 active solar installations in Willowbrook 60527, 145 of them residential, with data through September 24, 2026.
How much does solar cost in 60527?
Not enough priced systems in 60527 to report a median.
Is solar growing in 60527?
Recent growth cannot be measured yet for 60527: too few recent installs (data runs through September 24, 2026).
Who installs solar in 60527?
SUNRUN, FRESH COAST SOLAR, CERTASUN lead the 20 installers with systems in 60527. The full comp set is above.
Is 60527 a good market for solar sales?
60527 scores 42 out of 100 (Good, higher than 48% of U.S. zip markets). With under 500 installations the score is provisional.