De Witt County, IL solar installation & market data
Updated September 23, 2026Provisional score · under 500 installs By The SolarDNA Data Team
De Witt County has 168 solar installations across 8 zip codes, installations up 23.8% over the trailing twelve months, and an installs-weighted Market Score of 41.
Active installations
168
Zip markets
8
Median cost
—
12-mo growth
▲ 23.8%
Installers active
26
County Market Score
Good · installs-weighted across 8 zips
Best zip in De Witt County scores higher than 46% of U.S. zip markets.
Versus Illinois
How De Witt County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.15%
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
Next-12-month outlook: 51–65 installs (midpoint 58)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±12% band. Not a forecast of permits or policy.
Growth & pricing
De Witt County by year
52 installs in the trailing twelve months vs 42 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in De Witt County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | LGCY POWER | 12 | 8 | 1 | — |
| 2 | ROUTE 66 SOLAR | 7 | 1 | 4 | — |
| 3 | SUNRUN | 7 | 1 | 3 | — |
| 4 | GOODPWR | 5 | 5 | 3 | — |
| 5 | FREEDOM FOREVER | 5 | 5 | 2 | — |
| 6 | STRAIGHTUP SOLAR | 5 | 3 | 2 | — |
| 7 | OFF GRID ENERGY SOLUTIONS | 4 | 4 | 2 | — |
| 8 | TRON SOLAR | 3 | 2 | 1 | — |
| 9 | LEGACY SOLAR | 3 | 3 | 1 | — |
| 10 | PALS ELECTRIC | 3 | 3 | 2 | — |
| 11 | ADT SOLAR | 3 | 2 | 2 | — |
| 12 | BLUE SKY SMART SOLUTIONS | 2 | 0 | 2 | — |
| 13 | BRIGHT PLANET SOLAR | 2 | 2 | 1 | — |
| 14 | OFF GRID BLUE SKY SMART SOLUTIONS | 2 | 0 | 1 | — |
| 15 | PATRIOT INDUSTRIES | 2 | 2 | 1 | — |
| 16 | OFF GRID ENERGY SOLUTIONS DBA AVEYO | 1 | 1 | 1 | — |
| 17 | SOLAR MITE ILLINOIS | 1 | 1 | 1 | — |
| 18 | OASIS WORLD SOLUTIONS | 1 | 1 | 1 | — |
| 19 | SUN SOLAR ILLINOIS | 1 | 0 | 1 | — |
| 20 | AMBIA ENERGY | 1 | 1 | 1 | — |
| 21 | HARVEST ENERGY SOLUTIONS | 1 | 0 | 1 | — |
| 22 | CR SOLAR | 1 | 0 | 1 | — |
| 23 | TITAN SOLAR POWER | 1 | 0 | 1 | — |
| 24 | PORTER ELECTRIC | 1 | 0 | 1 | — |
| 25 | CORVUS PRO SOLAR | 1 | 1 | 1 | — |