Solar installers in Windham County
36 companies have installed solar on 316 homes here since 2023. Covers Brattleboro, Rockingham, Westminster, Putney, Wilmington, Vernon 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 Windham County: Brattleboro, Rockingham, Westminster, Putney, Wilmington, Vernon, Guilford, Londonderry, Dummerston, Dover, Marlboro, Newfane.
How much does solar cost in Windham County, VT?
There weren't enough Windham 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 Windham County, VT?
36 installers have put in home systems in Windham County since 2023, the busiest being Southern Vermont Solar, Sunrun, Green Mountain Solar, Integrated Solar, Freedom Forever.
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.