Solar installers in Boone County
47 companies have installed solar on 665 homes here since 2023 that we know of (Illinois's records name the installer for only 0% of systems). Covers Belvidere, Poplar Grove, Capron, Timberlane, Caledonia, Argyle and nearby towns.
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.
Towns in Boone County: Belvidere, Poplar Grove, Capron, Timberlane, Caledonia, Argyle, Candlewick Lake, Garden Prairie.
Other Illinois counties
How much does solar cost in Boone County, IL?
There weren't enough Boone 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 Boone County, IL?
47 installers have put in home systems in Boone County since 2023, the busiest being Sunrun, Iconic Energy, Freedom Forever, Sunpower Capital Services, Bright Planet Solar.
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.