Fulton County, IL solar installation & market data
Updated September 21, 2026 By The SolarDNA Data Team
Fulton County has 583 solar installations across 20 zip codes, installations up 9.3% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
583
Zip markets
20
Median cost
—
12-mo growth
▲ 9.3%
Installers active
43
County Market Score
Good · installs-weighted across 20 zips
Best zip in Fulton County scores higher than 64% of U.S. zip markets.
Versus Illinois
How Fulton County compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.52%
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: 133–163 installs (midpoint 148)
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
Fulton County by year
141 installs in the trailing twelve months vs 129 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Fulton County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 72 | 25 | 9 | — |
| 2 | FREEDOM FOREVER | 20 | 18 | 9 | — |
| 3 | CR SOLAR | 16 | 16 | 9 | — |
| 4 | LEGACY SOLAR | 15 | 10 | 8 | — |
| 5 | QUICK ELECTRIC CONTRACTORS | 9 | 1 | 5 | — |
| 6 | OFF GRID ENERGY SOLUTIONS DBA AVEYO | 8 | 5 | 6 | — |
| 7 | LGCY POWER | 7 | 6 | 4 | — |
| 8 | ONE EARTH SOLAR | 6 | 6 | 4 | — |
| 9 | BRS FIELD OPS | 6 | 3 | 4 | — |
| 10 | ADT SOLAR | 5 | 2 | 3 | — |
| 11 | EAGLE POINT SOLAR | 5 | 3 | 4 | — |
| 12 | LIONBERGER RENEWABLE ENERGY | 4 | 0 | 3 | — |
| 13 | SOURCE SOLAR | 4 | 4 | 2 | — |
| 14 | PORTER ELECTRIC | 3 | 2 | 3 | — |
| 15 | CELL ELECTRIC | 3 | 1 | 1 | — |
| 16 | OFF GRID ENERGY SOLUTIONS | 3 | 2 | 2 | — |
| 17 | ROY KEITH ELECTRIC | 3 | 2 | 1 | — |
| 18 | OASIS WORLD SOLUTIONS | 3 | 0 | 2 | — |
| 19 | BLUE SKY SMART SOLUTIONS | 3 | 0 | 3 | — |
| 20 | REVOLUTION ENERGY SYSTEMS | 3 | 3 | 3 | — |
| 21 | OFF GRID BLUE SKY SMART SOLUTIONS | 3 | 0 | 3 | — |
| 22 | STRAIGHTUP SOLAR | 3 | 2 | 1 | — |
| 23 | BRIGHT PLANET SOLAR | 2 | 2 | 1 | — |
| 24 | EWD ENERGY SOLUTIONS | 2 | 2 | 2 | — |
| 25 | OBERLANDER ELECTRIC | 2 | 0 | 1 | — |
Zip markets
Zips in Fulton County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 61520 | 274 | — | 44 C |
| 61531 | 56 | — | 41 C |
| 61542 | 41 | — | 41 C |
| 61427 | 33 | — | 41 C |
| 61501 | 25 | — | 41 C |
| 61415 | 24 | — | 41 C |
| 61441 | 22 | — | 41 C |
| 61544 | 19 | — | 41 C |
| 61482 | 18 | — | 41 C |
| 61432 | 13 | — | 41 C |
| 61484 | 9 | — | 41 C |
| 61563 | 8 | — | 41 C |
| 61477 | 8 | — | 41 C |
| 61524 | 8 | — | 41 C |
| 61459 | 7 | — | 41 C |
| 61431 | 6 | — | 41 C |
| 61519 | 5 | — | 41 C |
| 61553 | 3 | — | 41 C |
| 61433 | 2 | — | 41 C |
| 61543 | 2 | — | 41 C |