Fairfield, IL 62837 solar market data
Updated December 2, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Fairfield 62837 has 10 solar installations, recent growth not yet measurable, and a Market Score of 41 — higher than 38% of U.S. zip markets.
Versus Illinois
How 62837 compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.01%
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
62837 by year
4 installs in the trailing twelve months vs 1 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 62837
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUN SOLAR | 2 | 2 | 13.16 | — |
| 2 | MISSOURI SUN SOLAR | 1 | 0 | 13.2 | — |
| 3 | TITAN SOLAR POWER | 1 | 0 | 6.4 | — |
Frequently asked
Quick answers about 62837
How many solar installations are there in 62837?
SolarDNA counts 10 active solar installations in Fairfield 62837, 7 of them residential, with data through December 2, 2025.
How much does solar cost in 62837?
Not enough priced systems in 62837 to report a median.
Is solar growing in 62837?
Recent growth cannot be measured yet for 62837: too few recent installs (data runs through December 2, 2025).
Who installs solar in 62837?
SUN SOLAR, MISSOURI SUN SOLAR, TITAN SOLAR POWER lead the 3 installers with systems in 62837. The full comp set is above.
Is 62837 a good market for solar sales?
62837 scores 41 out of 100 (Good, higher than 38% of U.S. zip markets). With under 500 installations the score is provisional.