Monroe County, IL solar installation & market data
Updated September 4, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Monroe County has 358 solar installations across 6 zip codes, installations down 14.3% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
358
Zip markets
6
Median cost
—
12-mo growth
▼ 14.3%
Installers active
42
County Market Score
Good · installs-weighted across 6 zips
Best zip in Monroe County scores higher than 48% of U.S. zip markets.
Versus Illinois
How Monroe County compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.32%
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: 60–74 installs (midpoint 67)
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
Monroe County by year
72 installs in the trailing twelve months vs 84 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Monroe County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUN SOLAR | 17 | 10 | 3 | — |
| 2 | STRAIGHTUP SOLAR | 16 | 12 | 3 | — |
| 3 | LGCY POWER | 11 | 10 | 2 | — |
| 4 | FREEDOM FOREVER | 9 | 6 | 2 | — |
| 5 | CONTEMPORARY CONTRACTING | 6 | 0 | 2 | — |
| 6 | SOLARSHIPS INSTALLATION SERVICES | 5 | 5 | 3 | — |
| 7 | CR SOLAR | 5 | 5 | 3 | — |
| 8 | SUN SOLAR ILLINOIS | 5 | 0 | 2 | — |
| 9 | GREEN GRIDS SOLAR | 4 | 4 | 2 | — |
| 10 | ABSOLUTE CLIMATE D B A C H ELECTRIC | 4 | 0 | 1 | — |
| 11 | GRID | 3 | 0 | 2 | — |
| 12 | ADVANCED RENEWABLE CONCEPTS | 3 | 1 | 2 | — |
| 13 | ASTRAWATT SOLAR | 3 | 0 | 1 | — |
| 14 | ARF SOLAR | 2 | 0 | 1 | — |
| 15 | BKJ SOLAR | 2 | 1 | 1 | — |
| 16 | PALS ELECTRIC | 2 | 1 | 2 | — |
| 17 | ROUTE 66 SOLAR | 2 | 1 | 2 | — |
| 18 | STREIB COMPANY | 2 | 0 | 2 | — |
| 19 | EFS ENERGY | 2 | 0 | 2 | — |
| 20 | REVOLUTION ENERGY SYSTEMS | 2 | 0 | 2 | — |
| 21 | OFF GRID BLUE SKY SMART SOLUTIONS | 2 | 0 | 1 | — |
| 22 | LOWRY ELECTRIC COMPANY | 1 | 0 | 1 | — |
| 23 | LOWRY ELECTRIC | 1 | 0 | 1 | — |
| 24 | A-1 SOLAR SALES | 1 | 1 | 1 | — |
| 25 | SUPPLIED ENERGY | 1 | 0 | 1 | — |