Eureka, IL solar installation & market data
Updated August 18, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Eureka has 143 solar installations across 1 zip code, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
143
Zip markets
1
Median cost
—
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Eureka scores higher than 48% of U.S. zip markets.
Versus Illinois
How Eureka compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.13%
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
Eureka by year
39 installs in the trailing twelve months vs 38 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Eureka
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | LEGACY SOLAR | 8 | 4 | 1 | — |
| 2 | SUNRUN | 7 | 2 | 1 | — |
| 3 | FREEDOM FOREVER | 5 | 5 | 1 | — |
| 4 | 360 ELECTRIC | 4 | 3 | 1 | — |
| 5 | ZELLER ELECTRIC | 3 | 0 | 1 | — |
| 6 | CR SOLAR | 2 | 0 | 1 | — |
| 7 | OASIS WORLD SOLUTIONS | 2 | 0 | 1 | — |
| 8 | OFF GRID ENERGY SOLUTIONS | 1 | 1 | 1 | — |
| 9 | QUICK ELECTRIC CONTRACTORS | 1 | 1 | 1 | — |
| 10 | RETHINK ELECTRIC | 1 | 1 | 1 | — |
| 11 | STRAIGHTUP SOLAR | 1 | 1 | 1 | — |
| 12 | CR SOLAR LIMITED LIABILITY COMPANY | 1 | 0 | 1 | — |
Zip markets
Zips in Eureka
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 61530 | 143 | — | 42 C |