Lee County, IL solar installation & market data
Updated September 23, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Lee County has 494 solar installations across 13 zip codes, installations up 118.8% over the trailing twelve months, and an installs-weighted Market Score of 47.
Active installations
494
Zip markets
13
Median cost
—
12-mo growth
▲ 118.8%
Installers active
35
County Market Score
Great · installs-weighted across 13 zips
Best zip in Lee County scores higher than 97% of U.S. zip markets.
Versus Illinois
How Lee County compares with the state
Installed cost
—
state median $6.56/W
Market score
47 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: 137–185 installs (midpoint 161)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
Lee County by year
140 installs in the trailing twelve months vs 64 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Lee County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | LEGACY SOLAR | 50 | 48 | 9 | — |
| 2 | FREEDOM FOREVER | 27 | 21 | 9 | — |
| 3 | ICONIC ENERGY | 26 | 12 | 7 | — |
| 4 | SUNRUN | 11 | 1 | 5 | — |
| 5 | EAGLE POINT SOLAR | 8 | 1 | 3 | — |
| 6 | STATELINE SOLAR | 5 | 3 | 3 | — |
| 7 | SUNPOWER | 5 | 5 | 1 | — |
| 8 | ADVANCED RENEWABLE CONCEPTS | 4 | 2 | 3 | — |
| 9 | CR SOLAR | 4 | 4 | 2 | — |
| 10 | REVOLUTION ENERGY SYSTEMS | 4 | 3 | 4 | — |
| 11 | BRIGHT PLANET SOLAR | 4 | 2 | 1 | — |
| 12 | TRUHOME PROS | 4 | 3 | 1 | — |
| 13 | LGCY POWER | 3 | 3 | 2 | — |
| 14 | AILEY SOLAR ELECTRIC | 2 | 1 | 2 | — |
| 15 | QUALITY SOLAR | 2 | 2 | 2 | — |
| 16 | TITAN SOLAR POWER | 2 | 1 | 2 | — |
| 17 | IL-SOLAR | 1 | 0 | 1 | — |
| 18 | GREENLINK SOLAR SOLUTIONS | 1 | 0 | 1 | — |
| 19 | NOW SOLAR | 1 | 1 | 1 | — |
| 20 | SUNAIR SYSTEMS | 1 | 1 | 1 | — |
| 21 | AG TECHNOLOGIES | 1 | 0 | 1 | — |
| 22 | MODERN MILL SOLAR | 1 | 1 | 1 | — |
| 23 | HARVEST ENERGY SOLUTIONS | 1 | 0 | 1 | — |
| 24 | RETHINK ELECTRIC | 1 | 1 | 1 | — |
| 25 | SOURCE SOLAR | 1 | 1 | 1 | — |