Carroll County, IL solar installation & market data
Updated September 18, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Carroll County has 496 solar installations across 7 zip codes, installations up 1.1% over the trailing twelve months, and an installs-weighted Market Score of 41.
Active installations
496
Zip markets
7
Median cost
—
12-mo growth
▲ 1.1%
Installers active
21
County Market Score
Good · installs-weighted across 7 zips
Best zip in Carroll County scores higher than 47% of U.S. zip markets.
Versus Illinois
How Carroll County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.44%
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
Next-12-month outlook: 85–103 installs (midpoint 94)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
Carroll County by year
93 installs in the trailing twelve months vs 92 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Carroll County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | STATELINE SOLAR | 32 | 14 | 7 | — |
| 2 | LEGACY SOLAR | 31 | 31 | 6 | — |
| 3 | ARROW ENERGY SOLUTIONS | 20 | 2 | 6 | — |
| 4 | FREEDOM FOREVER | 11 | 10 | 5 | — |
| 5 | EAGLE POINT SOLAR | 10 | 1 | 5 | — |
| 6 | AG TECHNOLOGIES | 10 | 0 | 5 | — |
| 7 | ONE EARTH SOLAR | 9 | 8 | 3 | — |
| 8 | VOLT | 9 | 9 | 2 | — |
| 9 | ICONIC ENERGY | 6 | 3 | 4 | — |
| 10 | TRON SOLAR | 1 | 0 | 1 | — |
| 11 | SOLAR COMFORT LLP | 1 | 1 | 1 | — |
| 12 | FIBONACCI ENERGY | 1 | 1 | 1 | — |
| 13 | QUALITY SOLAR | 1 | 1 | 1 | — |
| 14 | ETW ENERGY | 1 | 1 | 1 | — |
| 15 | RETHINK ELECTRIC | 1 | 1 | 1 | — |
| 16 | SUNPOWER CAPITAL | 1 | 1 | 1 | — |
| 17 | CR SOLAR | 1 | 1 | 1 | — |
| 18 | AVEYO OFF GRID ENERGY SOLUTIONS | 1 | 1 | 1 | — |
| 19 | SOLAR GRIDS QUAD CITIES | 1 | 1 | 1 | — |
| 20 | AM KERNS CONSTRUCTION | 1 | 0 | 1 | — |
| 21 | ADVANCED RENEWABLE CONCEPTS | 1 | 1 | 1 | — |