Belleville, IL solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Belleville has 1,136 solar installations across 5 zip codes, installations up 11.4% over the trailing twelve months, and an installs-weighted Market Score of 45.
Active installations
1,136
Zip markets
5
Median cost
—
12-mo growth
▲ 11.4%
Installers active
84
City Market Score
Good · installs-weighted across 5 zips
Best zip in Belleville scores higher than 98% of U.S. zip markets.
Versus Illinois
How Belleville compares with the state
Installed cost
—
state median $6.56/W
Market score
45 vs 43
Illinois scores 43
Share of state installs
1.01%
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: 316–386 installs (midpoint 351)
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
Belleville by year
332 installs in the trailing twelve months vs 298 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Belleville
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | GOODPWR | 62 | 61 | 4 | — |
| 2 | FREEDOM FOREVER | 46 | 35 | 4 | — |
| 3 | SUN SOLAR | 45 | 13 | 4 | — |
| 4 | LGCY POWER | 42 | 35 | 4 | — |
| 5 | GREEN GRIDS SOLAR | 26 | 26 | 3 | — |
| 6 | CONTEMPORARY CONTRACTING | 21 | 11 | 4 | — |
| 7 | ADVANCED RENEWABLE CONCEPTS | 18 | 10 | 4 | — |
| 8 | AMBIA ENERGY | 17 | 17 | 3 | — |
| 9 | STRAIGHTUP SOLAR | 16 | 9 | 4 | — |
| 10 | JESSCO ENTERPRISES | 13 | 6 | 2 | — |
| 11 | MIDWEST SOLAR SOLUTIONS | 10 | 4 | 3 | — |
| 12 | SOLAR CITY STL | 10 | 10 | 3 | — |
| 13 | SOLARSHIPS INSTALLATION SERVICES | 9 | 8 | 4 | — |
| 14 | QUALITY SOLAR | 9 | 9 | 2 | — |
| 15 | CR SOLAR | 9 | 7 | 4 | — |
| 16 | OFF GRID BLUE SKY SMART SOLUTIONS | 9 | 1 | 3 | — |
| 17 | GRID | 8 | 3 | 4 | — |
| 18 | SUN SOLAR ILLINOIS | 8 | 1 | 4 | — |
| 19 | SPARC SOLAR | 8 | 8 | 2 | — |
| 20 | MARTIN SOLAR | 6 | 2 | 2 | — |
| 21 | ROUTE 66 SOLAR | 6 | 0 | 3 | — |
| 22 | TITAN SOLAR POWER | 6 | 0 | 3 | — |
| 23 | BLUE SKY SMART SOLUTIONS | 6 | 1 | 3 | — |
| 24 | CAMP ELECTRIC AND ENGINEERING SERVICES P C | 5 | 0 | 3 | — |
| 25 | SUPPLIED ENERGY | 5 | 3 | 2 | — |