Solar installers in Winnebago County
73 companies have installed solar on 2,488 homes here since 2023 that we know of (Illinois's records name the installer for only 0% of systems). Covers Rockford, Loves Park, Machesney Park, Roscoe, South Beloit, Rockton 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 Winnebago County: Rockford, Loves Park, Machesney Park, Roscoe, South Beloit, Rockton, Winnebago, Cherry Valley, Pecatonica, Durand, New Milford, Lake Summerset.
Other Illinois counties
How much does solar cost in Winnebago County, IL?
There weren't enough Winnebago 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 Winnebago County, IL?
73 installers have put in home systems in Winnebago County since 2023, the busiest being Sunrun, Iconic Energy, Bright Planet Solar, Freedom Forever, Sunpower Capital Services.
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.