Wheaton, IL solar installation & market data
Updated September 1, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Wheaton has 271 solar installations across 2 zip codes, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
271
Zip markets
2
Median cost
—
12-mo growth
—
Installers active
25
City Market Score
Good · installs-weighted across 2 zips
Best zip in Wheaton scores higher than 48% of U.S. zip markets.
Versus Illinois
How Wheaton compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.24%
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
Growth & pricing
Wheaton by year
47 installs in the trailing twelve months vs 42 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Wheaton
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 16 | 6 | 2 | — |
| 2 | SOURCE SOLAR | 15 | 14 | 2 | — |
| 3 | FRESH COAST SOLAR | 6 | 2 | 2 | — |
| 4 | WINDFREE WIND & SOLAR ENERGY | 6 | 3 | 2 | — |
| 5 | GREENLINK SOLAR SOLUTIONS | 4 | 4 | 1 | — |
| 6 | CERTASUN | 4 | 1 | 2 | — |
| 7 | WINDFREE SOLAR | 3 | 2 | 2 | — |
| 8 | FREEDOM FOREVER | 3 | 2 | 1 | — |
| 9 | AILEY SOLAR ELECTRIC | 3 | 2 | 2 | — |
| 10 | BLUE RAVEN SOLAR | 2 | 0 | 2 | — |
| 11 | REFICIENCY | 2 | 0 | 1 | — |
| 12 | UNITY SOLAR GROUP | 2 | 2 | 1 | — |
| 13 | GOSOLAR | 1 | 1 | 1 | — |
| 14 | INDEPENDENCE RENEWABLE ENERGY | 1 | 0 | 1 | — |
| 15 | ALL ENERGY SOLAR | 1 | 1 | 1 | — |
| 16 | NATIONAL SOLAR SERVICE | 1 | 0 | 1 | — |
| 17 | VIVINT SOLAR DEVELOPER | 1 | 0 | 1 | — |
| 18 | GRNE-NELNET | 1 | 0 | 1 | — |
| 19 | CONTINENTAL ENERGY SOLUTIONS PLLC | 1 | 1 | 1 | — |
| 20 | TRON SOLAR | 1 | 1 | 1 | — |
| 21 | SIGE ELECTRIC | 1 | 0 | 1 | — |
| 22 | TESLA | 1 | 1 | 1 | — |
| 23 | GREEN GRIDS SOLAR | 1 | 1 | 1 | — |
| 24 | SUNPOWER | 1 | 1 | 1 | — |
| 25 | ERIC HEINEMAN | 1 | 1 | 1 | — |