Solar installers in DeKalb County
63 companies have installed solar on 720 homes here since 2023 that we know of (Illinois's records name the installer for only 0% of systems). Covers DeKalb, Sycamore, Sandwich, Genoa, Cortland, Hinckley 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 DeKalb County: DeKalb, Sycamore, Sandwich, Genoa, Cortland, Hinckley, Somonauk, Kirkland, Maple Park, Waterman, Malta, Kingston.
Other Illinois counties
How much does solar cost in DeKalb County, IL?
There weren't enough DeKalb 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 DeKalb County, IL?
63 installers have put in home systems in DeKalb County since 2023, the busiest being Sunrun, Freedom Forever, Sunpower Capital Services, Bright Planet Solar, Iconic Energy.
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.