Monticello, IL solar installation & market data
Updated September 3, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Monticello has 174 solar installations across 1 zip code, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
174
Zip markets
1
Median cost
—
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Monticello scores higher than 48% of U.S. zip markets.
Versus Illinois
How Monticello compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.15%
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
Monticello by year
27 installs in the trailing twelve months vs 39 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Monticello
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | CR SOLAR | 10 | 2 | 1 | — |
| 2 | LGCY POWER | 6 | 4 | 1 | — |
| 3 | SANGAMON SOLAR | 5 | 0 | 1 | — |
| 4 | ROUTE 66 SOLAR | 4 | 0 | 1 | — |
| 5 | FREEDOM FOREVER | 3 | 3 | 1 | — |
| 6 | GREEN GRIDS SOLAR | 2 | 2 | 1 | — |
| 7 | OFF GRID ENERGY SOLUTIONS DBA AVEYO | 2 | 2 | 1 | — |
| 8 | SUNRUN | 2 | 2 | 1 | — |
| 9 | IL-SOLAR | 2 | 1 | 1 | — |
| 10 | NEW PRAIRIE CONSTRUCTION | 2 | 1 | 1 | — |
| 11 | AVEYO OFF GRID ENERGY SOLUTIONS | 1 | 1 | 1 | — |
| 12 | BRIGHT PLANET SOLAR | 1 | 1 | 1 | — |
Zip markets
Zips in Monticello
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 61856 | 174 | — | 42 C |