Solar installers in Windham County
12 companies have installed solar on 21 homes here since 2023 that we know of (Connecticut's records name the installer for only 8% of systems). Covers Windham, Killingly, Plainfield, Thompson, Putnam, Brooklyn and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| EcoSmart Home ServicesBased in East Berlin, CT · Connecticut Green Bank contractor · (860) 828-6626 | 4 | — |
| Green Power EnergyBased in Durham, CT · Connecticut Green Bank contractor · (203) 202-3626 | 3 | — |
| Summer Hill SolarBased in Woodstock, CT · Connecticut Green Bank contractor · (860) 481-3802 | 3 | — |
| Earthlight TechnologiesBased in Ellington, CT · Connecticut Green Bank contractor · (860) 871-9700 | 2 | — |
| Shippee Solar Construction | 2 | — |
| Aegis Solar EnergyBased in Branford, CT · Connecticut Green Bank contractor | 1 | — |
| Consolidated Edison Solutions | 1 | — |
| Everlast Home Energy Solutions | 1 | — |
| Harness The Sun | 1 | — |
| Phase Out ElectricBased in Woodstock, CT · Connecticut Green Bank contractor · (860) 306-9348 | 1 | — |
| Premier ImprovementsBased in West Hartford, CT · Connecticut Green Bank contractor · (860) 969-4006 | 1 | — |
| Synergy Electric | 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.
Towns in Windham County: Windham, Killingly, Plainfield, Thompson, Putnam, Brooklyn, Woodstock, Canterbury, Pomfret, Ashford, Sterling, Chaplin.
How much does solar cost in Windham County, CT?
There weren't enough Windham County systems bought outright for a county figure. Across Connecticut, homes paid a median $4.18/W installed in 2023–2025, about $37,600 for a 9 kW system.
Which solar companies install in Windham County, CT?
12 installers have put in home systems in Windham County since 2023, the busiest being EcoSmart Home Services, Green Power Energy, Summer Hill Solar, Earthlight Technologies, Shippee Solar Construction.
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.