Granite City, IL solar installation & market data
Updated September 21, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Granite City has 399 solar installations across 1 zip code, installations up 65.5% over the trailing twelve months, and an installs-weighted Market Score of 56.
Active installations
399
Zip markets
1
Median cost
—
12-mo growth
▲ 65.5%
Installers active
12
City Market Score
Excellent · installs-weighted across 1 zips
Best zip in Granite City scores higher than 98% of U.S. zip markets.
Versus Illinois
How Granite City compares with the state
Installed cost
—
state median $6.56/W
Market score
56 vs 43
Illinois scores 43
Share of state installs
0.35%
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: 141–191 installs (midpoint 166)
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
Granite City by year
144 installs in the trailing twelve months vs 87 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Granite City
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | GOODPWR | 29 | 28 | 1 | — |
| 2 | FREEDOM FOREVER | 24 | 20 | 1 | — |
| 3 | AMBIA ENERGY | 22 | 22 | 1 | — |
| 4 | LGCY POWER | 17 | 15 | 1 | — |
| 5 | CR SOLAR | 15 | 9 | 1 | — |
| 6 | OFF GRID BLUE SKY SMART SOLUTIONS | 13 | 2 | 1 | — |
| 7 | CONTEMPORARY CONTRACTING | 8 | 3 | 1 | — |
| 8 | GREEN GRIDS SOLAR | 7 | 7 | 1 | — |
| 9 | APTIVE SOLAR DBA AMBIA ENERGY | 5 | 5 | 1 | — |
| 10 | SUN SOLAR | 5 | 3 | 1 | — |
| 11 | BLUE SKY SMART SOLUTIONS | 4 | 1 | 1 | — |
| 12 | ARF CONSTRUCTION DBA ARF SOLAR | 3 | 3 | 1 | — |
Zip markets
Zips in Granite City
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 62040 | 399 | — | 56 A |