Henderson County, IL solar installation & market data
Updated August 24, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Henderson County has 94 solar installations across 8 zip codes, recent growth not yet measurable, and an installs-weighted Market Score of 41.
Active installations
94
Zip markets
8
Median cost
—
12-mo growth
—
Installers active
22
County Market Score
Good · installs-weighted across 8 zips
Best zip in Henderson County scores higher than 42% of U.S. zip markets.
Versus Illinois
How Henderson County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.08%
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
Henderson County by year
22 installs in the trailing twelve months vs 23 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Henderson County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | PRECISION COMPANIES | 4 | 2 | 3 | — |
| 2 | CR SOLAR | 3 | 3 | 2 | — |
| 3 | AVEYO OFF GRID ENERGY SOLUTIONS | 2 | 2 | 2 | — |
| 4 | MOHRFELD ELECTRIC | 2 | 0 | 2 | — |
| 5 | FREEDOM FOREVER | 2 | 2 | 1 | — |
| 6 | OFF GRID ENERGY SOLUTIONS | 1 | 1 | 1 | — |
| 7 | SOLECTRIC | 1 | 1 | 1 | — |
| 8 | SIMPLE SOLAR | 1 | 0 | 1 | — |
| 9 | LGCY POWER | 1 | 1 | 1 | — |
| 10 | BLUE SKY SOLAR | 1 | 0 | 1 | — |
| 11 | OFF GRID ENERGY SOLUTIONS DBA AYO | 1 | 1 | 1 | — |
| 12 | EAGLE POINT SOLAR | 1 | 0 | 1 | — |
| 13 | GOODPWR | 1 | 1 | 1 | — |
| 14 | LEGACY INSTALLATION SERVICES | 1 | 1 | 1 | — |
| 15 | OFF GRID BLUE SKY SMART SOLUTIONS | 1 | 0 | 1 | — |
| 16 | POWER HOME SOLAR | 1 | 0 | 1 | — |
| 17 | LIONBERGER RENEWABLE ENERGY | 1 | 1 | 1 | — |
| 18 | GROBSTICK SOLAR | 1 | 0 | 1 | — |
| 19 | ILLINOIS HOME RESTORE CONSTRUCTION | 1 | 1 | 1 | — |
| 20 | HARVEST ENERGY SOLUTIONS | 1 | 0 | 1 | — |
| 21 | ROUTE 66 SOLAR | 1 | 0 | 1 | — |
| 22 | SUN SOLAR | 1 | 0 | 1 | — |