Castleton, IL 61426 solar market data
Updated September 17, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Castleton 61426 has 1 solar installations, recent growth not yet measurable, and a Market Score of 41 — higher than 38% of U.S. zip markets.
Versus Illinois
How 61426 compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.00%
of 112.7K tracked statewide
Battery attach
—
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
61426 by year
1 installs in the trailing twelve months vs 0 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 61426
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | FREEDOM FOREVER | 1 | 0 | 17.16 | — |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|
Frequently asked
Quick answers about 61426
How many solar installations are there in 61426?
SolarDNA counts 1 active solar installations in Castleton 61426, 1 of them residential, with data through September 17, 2026.
How much does solar cost in 61426?
Not enough priced systems in 61426 to report a median.
Is solar growing in 61426?
Recent growth cannot be measured yet for 61426: too few recent installs (data runs through September 17, 2026).
Who installs solar in 61426?
FREEDOM FOREVER lead the 1 installers with systems in 61426. The full comp set is above.
Is 61426 a good market for solar sales?
61426 scores 41 out of 100 (Good, higher than 38% of U.S. zip markets). With under 500 installations the score is provisional.