McLean County, IL solar installation & market data
Updated September 22, 2026 By The SolarDNA Data Team
McLean County has 1,810 solar installations across 25 zip codes, installations down 18.9% over the trailing twelve months, and an installs-weighted Market Score of 40.
Active installations
1,810
Zip markets
25
Median cost
—
12-mo growth
▼ 18.9%
Installers active
71
County Market Score
Good · installs-weighted across 25 zips
Best zip in McLean County scores higher than 54% of U.S. zip markets.
Versus Illinois
How McLean County compares with the state
Installed cost
—
state median $6.56/W
Market score
40 vs 43
Illinois scores 43
Share of state installs
1.61%
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: 294–360 installs (midpoint 327)
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
McLean County by year
361 installs in the trailing twelve months vs 445 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in McLean County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 204 | 70 | 12 | — |
| 2 | LGCY POWER | 56 | 46 | 11 | — |
| 3 | STRAIGHTUP SOLAR | 45 | 30 | 10 | — |
| 4 | FREEDOM FOREVER | 38 | 25 | 11 | — |
| 5 | CR SOLAR | 35 | 14 | 13 | — |
| 6 | LEGACY SOLAR | 33 | 19 | 12 | — |
| 7 | PALMETTO SOLAR | 24 | 24 | 4 | — |
| 8 | EDELMAN | 14 | 6 | 8 | — |
| 9 | SOLARSHIPS INSTALLATION SERVICES | 13 | 12 | 4 | — |
| 10 | OASIS WORLD SOLUTIONS | 13 | 6 | 7 | — |
| 11 | GOODPWR | 13 | 13 | 6 | — |
| 12 | CELL ELECTIRC | 10 | 2 | 8 | — |
| 13 | OFF GRID ENERGY SOLUTIONS | 8 | 6 | 5 | — |
| 14 | ROUTE 66 SOLAR | 7 | 3 | 6 | — |
| 15 | TRON SOLAR | 7 | 6 | 6 | — |
| 16 | BRIGHT PLANET SOLAR | 7 | 6 | 5 | — |
| 17 | CELL ELECTRIC | 5 | 2 | 5 | — |
| 18 | OFF GRID ENERGY SOLUTIONS DBA AVEYO | 4 | 4 | 3 | — |
| 19 | BLUE SKY SMART SOLUTIONS | 4 | 0 | 4 | — |
| 20 | ROOF TIGER PLLC | 4 | 2 | 3 | — |
| 21 | REVOLUTION ENERGY SYSTEMS | 4 | 4 | 4 | — |
| 22 | ZELLER ELECTRIC | 3 | 3 | 2 | — |
| 23 | CONTEMPORARY CONTRACTING | 3 | 2 | 2 | — |
| 24 | AVEYO OFF GRID ENERGY SOLUTIONS | 3 | 3 | 3 | — |
| 25 | SUN SOLAR | 3 | 1 | 3 | — |
Zip markets
Zips in McLean County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 61761 | 511 | — | 37 D |
| 61704 | 281 | — | 42 C |
| 61701 | 228 | — | 41 C |
| 61705 | 188 | — | 42 C |
| 61745 | 128 | — | 42 C |
| 61748 | 66 | — | 41 C |
| 61752 | 50 | — | 41 C |
| 61726 | 47 | — | 41 C |
| 61744 | 40 | — | 41 C |
| 61753 | 37 | — | 41 C |
| 61725 | 34 | — | 41 C |
| 61754 | 29 | — | 41 C |
| 61736 | 27 | — | 41 C |
| 61732 | 27 | — | 41 C |
| 61728 | 24 | — | 41 C |
| 61770 | 20 | — | 41 C |
| 61776 | 18 | — | 41 C |
| 61737 | 15 | — | 41 C |
| 61774 | 14 | — | 41 C |
| 61772 | 7 | — | 41 C |
| 61722 | 7 | — | 41 C |
| 61730 | 4 | — | 41 C |
| 61720 | 4 | — | 41 C |
| 61724 | 2 | — | 41 C |
| 61731 | 2 | — | 41 C |