Solar installers in Randolph County
46 companies have installed solar on 228 homes here since 2023 that we know of (Illinois's records name the installer for only 0% of systems). Covers Chester, Sparta, Red Bud, Steeleville, Percy, Coulterville and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| A&i Electrical | 48 | — |
| Williams Heating & Air | 19 | — |
| Freedom ForeverBased in Temecula, CA · (800) 885-9450 | 13 | — |
| Straight Up Solar | 13 | — |
| Advanced Energy Solutions Group | 11 | — |
| LGCY Installation Services | 10 | — |
| Solarships Installation Services | 10 | — |
| Absolute Climate | 9 | — |
| Absolute Climate Inc., d/b/a C. H. Electrical | 8 | — |
| Corvus Pro Solar LLP | 7 | — |
| BKJ Solar | 6 | — |
| Revolution Energy Systems | 5 | — |
| A&i Builders | 4 | — |
| ADT SolarBased in Boca Raton, FL · (985) 882-1408 | 4 | — |
| Ag Technologies | 4 | — |
| CR Solar | 4 | — |
| Midwest Solar Solutions | 4 | — |
| Off Grid Energy Solutions | 4 | — |
| Sun Solar | 4 | — |
| Astrawatt Solar | 3 | — |
| Aveyo Off Grid Energy Solutions | 3 | — |
| GoodPwr | 3 | — |
| Sparc Solar | 3 | — |
| A-1 Solar Sales | 2 | — |
| Contemporary Contracting | 2 | — |
| EFS Energy | 2 | — |
| Helio Solar Power | 2 | — |
| Pals Electric | 2 | — |
| Quality Solar | 2 | — |
| ARF Solar | 1 | — |
| Advanced Renewable Concepts | 1 | — |
| C.A. Jones | 1 | — |
| CR Solar Installations | 1 | — |
| Camron Hanson | 1 | — |
| Foster's Mechanical and Electrical | 1 | — |
| Free World | 1 | — |
| Lowry Electric | 1 | — |
| Mark Jones Construction | 1 | — |
| Midwest Solutions | 1 | — |
| Missouri Sun Solar | 1 | — |
Ranked by homes installed, which shows who’s active here, not who’s best. Prices are each company’s median for systems sold outright, shown when it sold at least 10. Show all 46 installers
Towns in Randolph County: Chester, Sparta, Red Bud, Steeleville, Percy, Coulterville, Tilden, Evansville, Prairie du Rocher, Ellis Grove, Baldwin, Ruma.
Other Illinois counties
How much does solar cost in Randolph County, IL?
There weren't enough Randolph County systems bought outright for a county figure. Across the U.S., homes paid a median $4.10/W installed in 2023–2025, about $26,700 for a 6.5 kW system.
Which solar companies install in Randolph County, IL?
46 installers have put in home systems in Randolph County since 2023, the busiest being A&i Electrical, Williams Heating & Air, Freedom Forever, Straight Up Solar, Advanced Energy Solutions Group.
Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.