Romeoville, IL solar installation & market data
Updated September 17, 2026 By The SolarDNA Data Team
Romeoville has 878 solar installations across 1 zip code, installations down 29.8% over the trailing twelve months, and an installs-weighted Market Score of 38.
Active installations
878
Zip markets
1
Median cost
—
12-mo growth
▼ 29.8%
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Romeoville scores higher than 21% of U.S. zip markets.
Versus Illinois
How Romeoville compares with the state
Installed cost
—
state median $6.56/W
Market score
38 vs 43
Illinois scores 43
Share of state installs
0.78%
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: 58–78 installs (midpoint 68)
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
Romeoville by year
80 installs in the trailing twelve months vs 114 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Romeoville
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 77 | 33 | 1 | — |
| 2 | FREEDOM FOREVER | 24 | 8 | 1 | — |
| 3 | BRIGHT PLANET SOLAR | 12 | 6 | 1 | — |
| 4 | GREEN GRIDS SOLAR | 4 | 4 | 1 | — |
| 5 | SUNPOWER | 4 | 4 | 1 | — |
| 6 | BRS FIELD OPS | 3 | 2 | 1 | — |
| 7 | CERTASUN | 3 | 1 | 1 | — |
| 8 | DYNAMIC ELECTRIC | 2 | 2 | 1 | — |
| 9 | EMPWR SOLAR LLP | 2 | 2 | 1 | — |
| 10 | FRESH COAST SOLAR | 2 | 2 | 1 | — |
| 11 | QUALITY SOLAR | 2 | 2 | 1 | — |
| 12 | SPARC SOLAR | 2 | 2 | 1 | — |
Zip markets
Zips in Romeoville
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 60446 | 878 | — | 38 D |