Brown County, IL solar installation & market data
Updated June 5, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Brown County has 55 solar installations across 3 zip codes, recent growth not yet measurable, and an installs-weighted Market Score of 41.
Active installations
55
Zip markets
3
Median cost
—
12-mo growth
—
Installers active
4
County Market Score
Good · installs-weighted across 3 zips
Best zip in Brown County scores higher than 44% of U.S. zip markets.
Versus Illinois
How Brown County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.05%
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
Brown County by year
12 installs in the trailing twelve months vs 8 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Brown County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | FREEDOM FOREVER | 6 | 3 | 2 | — |
| 2 | LANDMARK SOLAR | 2 | 1 | 2 | — |
| 3 | SCRANTON HEATING AND COOLING | 1 | 0 | 1 | — |
| 4 | SUNSPOT SOLAR | 1 | 0 | 1 | — |