Kendall County, IL solar installation & market data
Updated September 14, 2026 By The SolarDNA Data Team
Kendall County has 2,069 solar installations across 7 zip codes, installations down 13.2% over the trailing twelve months, and an installs-weighted Market Score of 41.
Active installations
2,069
Zip markets
7
Median cost
—
12-mo growth
▼ 13.2%
Installers active
54
County Market Score
Good · installs-weighted across 7 zips
Best zip in Kendall County scores higher than 71% of U.S. zip markets.
Versus Illinois
How Kendall County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
1.84%
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: 221–271 installs (midpoint 246)
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
Kendall County by year
263 installs in the trailing twelve months vs 303 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Kendall County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 166 | 86 | 5 | — |
| 2 | BRS FIELD OPS | 48 | 41 | 3 | — |
| 3 | FREEDOM FOREVER | 43 | 21 | 5 | — |
| 4 | BRIGHT PLANET SOLAR | 29 | 21 | 4 | — |
| 5 | CERTASUN | 20 | 6 | 3 | — |
| 6 | BLUE RAVEN SOLAR | 14 | 1 | 3 | — |
| 7 | INDEPENDENCE RENEWABLE ENERGY | 13 | 4 | 6 | — |
| 8 | GREENGRIDS | 13 | 6 | 2 | — |
| 9 | ION DEVELOPER | 11 | 2 | 3 | — |
| 10 | GREEN GRIDS SOLAR | 11 | 11 | 2 | — |
| 11 | UNITY SOLAR GROUP | 6 | 6 | 3 | — |
| 12 | TESLA | 6 | 2 | 2 | — |
| 13 | SUNPOWER | 5 | 5 | 3 | — |
| 14 | SOURCE SOLAR | 5 | 5 | 2 | — |
| 15 | LGCY POWER | 4 | 2 | 3 | — |
| 16 | POWUR PBC | 4 | 0 | 2 | — |
| 17 | VIVINT SOLAR DEVELOPER | 4 | 1 | 3 | — |
| 18 | ION SOLAR | 4 | 4 | 3 | — |
| 19 | VOLT | 4 | 4 | 2 | — |
| 20 | TRON SOLAR | 4 | 3 | 2 | — |
| 21 | FRESH COAST SOLAR | 3 | 2 | 1 | — |
| 22 | TRUHOME PROS | 3 | 0 | 2 | — |
| 23 | REVOLUTION ENERGY SYSTEMS | 3 | 3 | 2 | — |
| 24 | SOLARSHIPS INSTALLATION SERVICES | 2 | 2 | 2 | — |
| 25 | WOLFPACK ELECTRIC | 2 | 0 | 2 | — |