Madison County, IL solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Madison County has 2,908 solar installations across 28 zip codes, installations up 23.2% over the trailing twelve months, and an installs-weighted Market Score of 46.
Active installations
2,908
Zip markets
28
Median cost
—
12-mo growth
▲ 23.2%
Installers active
113
County Market Score
Great · installs-weighted across 28 zips
Best zip in Madison County scores higher than 98% of U.S. zip markets.
Versus Illinois
How Madison County compares with the state
Installed cost
—
state median $6.56/W
Market score
46 vs 43
Illinois scores 43
Share of state installs
2.58%
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: 818–1,032 installs (midpoint 925)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±12% band. Not a forecast of permits or policy.
Growth & pricing
Madison County by year
829 installs in the trailing twelve months vs 673 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Madison County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | LGCY POWER | 143 | 126 | 17 | — |
| 2 | FREEDOM FOREVER | 122 | 101 | 21 | — |
| 3 | GOODPWR | 115 | 107 | 19 | — |
| 4 | CR SOLAR | 102 | 64 | 16 | — |
| 5 | SUN SOLAR | 93 | 22 | 18 | — |
| 6 | AMBIA ENERGY | 53 | 53 | 9 | — |
| 7 | CONTEMPORARY CONTRACTING | 38 | 12 | 13 | — |
| 8 | OFF GRID BLUE SKY SMART SOLUTIONS | 36 | 2 | 9 | — |
| 9 | STRAIGHTUP SOLAR | 35 | 13 | 11 | — |
| 10 | ARF SOLAR | 34 | 11 | 11 | — |
| 11 | GREEN GRIDS SOLAR | 33 | 33 | 10 | — |
| 12 | MIDWEST SOLAR SOLUTIONS | 33 | 10 | 13 | — |
| 13 | GRID | 30 | 9 | 12 | — |
| 14 | SOLARSHIPS INSTALLATION SERVICES | 30 | 29 | 11 | — |
| 15 | APTIVE SOLAR DBA AMBIA ENERGY | 28 | 28 | 9 | — |
| 16 | BLUE SKY SMART SOLUTIONS | 18 | 2 | 8 | — |
| 17 | ROUTE 66 SOLAR | 18 | 1 | 6 | — |
| 18 | ZOBRIST ELECTRIC | 18 | 7 | 4 | — |
| 19 | ASTRAWATT SOLAR | 15 | 5 | 9 | — |
| 20 | CAMP ELECTRIC AND ENGINEERING SERVICES P C | 15 | 3 | 9 | — |
| 21 | CORVUS PRO SOLAR LLP | 14 | 10 | 11 | — |
| 22 | JOE S ELECTRIC | 13 | 4 | 7 | — |
| 23 | SUN SOLAR ILLINOIS | 12 | 0 | 10 | — |
| 24 | IL-SOLAR | 10 | 4 | 5 | — |
| 25 | LOWRY ELECTRIC | 9 | 7 | 5 | — |
Zip markets
Zips in Madison County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 62040 | 399 | — | 56 A |
| 62025 | 368 | — | 43 C |
| 62002 | 267 | — | 53 A |
| 62035 | 234 | — | 44 C |
| 62034 | 226 | — | 43 C |
| 62234 | 220 | — | 55 A |
| 62294 | 214 | — | 42 C |
| 62249 | 173 | — | 42 C |
| 62010 | 149 | — | 42 C |
| 62095 | 106 | — | 42 C |
| 62024 | 97 | — | 41 C |
| 62281 | 70 | — | 41 C |
| 62062 | 63 | — | 41 C |
| 62061 | 44 | — | 41 C |
| 62046 | 43 | — | 41 C |
| 62001 | 36 | — | 41 C |
| 62097 | 35 | — | 41 C |
| 62018 | 30 | — | 41 C |
| 62074 | 22 | — | 41 C |
| 62067 | 21 | — | 41 C |
| 62087 | 21 | — | 41 C |
| 62060 | 16 | — | 41 C |
| 62048 | 16 | — | 41 C |
| 62084 | 13 | — | 41 C |
| 62021 | 13 | — | 41 C |
| 62058 | 10 | — | 41 C |
| 62090 | 1 | — | 41 C |
| 62026 | 1 | — | 41 C |