Kankakee County, IL solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Kankakee County has 823 solar installations across 14 zip codes, installations up 15.5% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
823
Zip markets
14
Median cost
—
12-mo growth
▲ 15.5%
Installers active
53
County Market Score
Good · installs-weighted across 14 zips
Best zip in Kankakee County scores higher than 55% of U.S. zip markets.
Versus Illinois
How Kankakee County compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.73%
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: 180–220 installs (midpoint 200)
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
Kankakee County by year
186 installs in the trailing twelve months vs 161 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Kankakee County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 121 | 75 | 11 | — |
| 2 | FREEDOM FOREVER | 26 | 22 | 9 | — |
| 3 | BRIGHT PLANET SOLAR | 22 | 12 | 7 | — |
| 4 | LEHMANN ELECTRIC & DESIGN | 12 | 12 | 7 | — |
| 5 | CR SOLAR | 7 | 1 | 3 | — |
| 6 | LGCY POWER | 7 | 3 | 5 | — |
| 7 | LEGACY SOLAR | 6 | 5 | 6 | — |
| 8 | TRON SOLAR | 6 | 1 | 3 | — |
| 9 | GREEN GRIDS SOLAR | 4 | 4 | 3 | — |
| 10 | HELIO SOLAR POWER | 3 | 0 | 3 | — |
| 11 | SPARC SOLAR | 3 | 3 | 2 | — |
| 12 | QUALITY SOLAR | 3 | 3 | 1 | — |
| 13 | GOODPWR | 3 | 3 | 2 | — |
| 14 | PALMETTO SOLAR | 3 | 2 | 2 | — |
| 15 | GRNE-NELNET DBA GRNE SOLAR | 3 | 1 | 3 | — |
| 16 | SOLAR POWER MIDWEST | 2 | 0 | 2 | — |
| 17 | KEAST ELECTRIC | 2 | 1 | 2 | — |
| 18 | SIGE ELECTRIC | 2 | 0 | 2 | — |
| 19 | BLUESKY SMART SOLUTIONS | 2 | 0 | 2 | — |
| 20 | OFF GRID ENERGY SOLUTIONS | 2 | 1 | 1 | — |
| 21 | SUNPOWER | 2 | 2 | 2 | — |
| 22 | CERTASUN | 2 | 0 | 1 | — |
| 23 | MILLER BROS | 2 | 0 | 1 | — |
| 24 | SOURCE SOLAR | 2 | 2 | 2 | — |
| 25 | BLUE RAVEN SOLAR | 2 | 0 | 1 | — |