Saint Charles, IL solar installation & market data
Updated September 4, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Saint Charles has 235 solar installations across 2 zip codes, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
235
Zip markets
2
Median cost
—
12-mo growth
—
Installers active
32
City Market Score
Good · installs-weighted across 2 zips
Best zip in Saint Charles scores higher than 48% of U.S. zip markets.
Versus Illinois
How Saint Charles compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.21%
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
Saint Charles by year
38 installs in the trailing twelve months vs 47 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Saint Charles
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 7 | 4 | 2 | — |
| 2 | CERTASUN | 6 | 2 | 2 | — |
| 3 | ILLINOIS HOME RESTORE CONSTRUCTION | 6 | 2 | 2 | — |
| 4 | GREENLINK SOLAR SOLUTIONS | 5 | 4 | 2 | — |
| 5 | WINDFREE WIND & SOLAR ENERGY | 4 | 0 | 2 | — |
| 6 | FREEDOM FOREVER | 4 | 3 | 2 | — |
| 7 | REFICIENCY | 4 | 4 | 1 | — |
| 8 | FRESH COAST SOLAR | 4 | 2 | 1 | — |
| 9 | TESLA | 3 | 2 | 2 | — |
| 10 | REVOLUTION ENERGY SYSTEMS | 3 | 2 | 2 | — |
| 11 | BRS FIELD OPS | 2 | 1 | 1 | — |
| 12 | BLUE RAVEN SOLAR | 2 | 0 | 1 | — |
| 13 | INDEPENDENCE RENEWABLE ENERGY | 2 | 1 | 2 | — |
| 14 | BRIGHT PLANET SOLAR | 2 | 1 | 1 | — |
| 15 | LGCY POWER | 2 | 1 | 1 | — |
| 16 | WINDFREE SOLAR | 2 | 1 | 1 | — |
| 17 | POWER HOME SOLAR | 1 | 0 | 1 | — |
| 18 | GREEN GRIDS SOLAR | 1 | 1 | 1 | — |
| 19 | REVOLUTION SOLAR | 1 | 0 | 1 | — |
| 20 | TRUHOME PROS | 1 | 0 | 1 | — |
| 21 | SPARC SOLAR | 1 | 0 | 1 | — |
| 22 | GRNE-NELNET | 1 | 0 | 1 | — |
| 23 | KAPITAL ELECTRIC | 1 | 0 | 1 | — |
| 24 | ILUMEN | 1 | 1 | 1 | — |
| 25 | SIGE ELECTRIC | 1 | 1 | 1 | — |