Green Mountain Power plants
Every generating plant EIA-860M files against Green Mountain Power for 2026-07: 46 plants, 307 MW of nameplate capacity, across 4 states and 5 energy sources.
EIA files this entity as “Green Mountain Power Corp”.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Plants
- 46
- Nameplate capacity
- 307 MW
- States
- 4
- ME, NH, NY, VT
- Energy sources
- 5
Green Mountain Power plants by energy source
- Battery1 plants · 4 MW
- Hydro32 plants · 116 MW
- Petroleum3 plants · 73 MW
- Solar8 plants · 43 MW
- Wind2 plants · 71 MW
Full list of Green Mountain Power plants
| Kingdom Community WindOnshore Wind Turbine | Green Mountain Power Corp | Orleans | 65 | 1 | 2012 | Operating |
| Berlin 5Petroleum Liquids | Green Mountain Power Corp | Washington | 41.8 | 1 | 1972 | Operating |
| Colchester 16Petroleum Liquids | Green Mountain Power Corp | Chittenden | 18 | 1 | 1965 | Operating |
| Essex Junction 192 technologies | Green Mountain Power Corp | Chittenden | 16 | 9 | 1917 | Operating |
| AscutneyPetroleum Liquids | Green Mountain Power Corp | Windsor | 13.2 | 1 | 1961 | Operating |
| Bolton FallsConventional Hydroelectric | Green Mountain Power Corp | Washington | 8.8 | 2 | 1986 | Operating |
| MiltonConventional Hydroelectric | Green Mountain Power Corp | Chittenden | 7.4 | 2 | 1929 | Operating |
| GMP Solar/Storage-Milton Hybrid2 technologies | Green Mountain Power Corp | Chittenden | 7 | 2 | 2019 | Operating |
| GMP Solar/Storage-Ferrisburgh Hybrid2 technologies | Green Mountain Power Corp | Addison | 7 | 2 | 2019 | Operating |
| ProctorConventional Hydroelectric | Green Mountain Power Corp | Rutland | 6.9 | 5 | 1905 | Operating |
| GMP Solar/Storage-Essex Hybrid2 technologies | Green Mountain Power Corp | Chittenden | 6.5 | 2 | 2019 | Operating |
| PetersonConventional Hydroelectric | Green Mountain Power Corp | Chittenden | 6.3 | 1 | 1948 | Operating |
| Searsburg Wind TurbineOnshore Wind Turbine | Green Mountain Power Corp | Bennington | 6 | 1 | 1997 | Operating |
| GMP Solar - Panton Hybrid2 technologies | Green Mountain Power Corp | Addison | 5.9 | 2 | 2016 | Operating |
| BeldensConventional Hydroelectric | Green Mountain Power Corp | Addison | 5.7 | 3 | 1913 | Operating |
| Huntington FallsConventional Hydroelectric | Green Mountain Power Corp | Addison | 5.7 | 3 | 1988 | Operating |
| Waterbury 22Conventional Hydroelectric | Green Mountain Power Corp | Washington | 5.5 | 1 | 1953 | Operating |
| Marshfield 6Conventional Hydroelectric | Green Mountain Power Corp | Washington | 5 | 1 | 1927 | Operating |
| GMP Solar - HartfordSolar Photovoltaic | Green Mountain Power Corp | Windsor | 5 | 1 | 2016 | Operating |
| GMP Solar - WilliamstownSolar Photovoltaic | Green Mountain Power Corp | Orange | 5 | 1 | 2016 | Operating |
| GMP Solar - WillistonSolar Photovoltaic | Green Mountain Power Corp | Chittenden | 4.7 | 1 | 2016 | Operating |
| Stafford Hill Solar Hybrid2 technologies | Green Mountain Power Corp | Rutland | 4 | 2 | 2015 | Operating |
| PittsfordConventional Hydroelectric | Green Mountain Power Corp | Rutland | 3.6 | 3 | 1914 | Operating |
| Fairfax FallsConventional Hydroelectric | Green Mountain Power Corp | Franklin | 3.5 | 2 | 1919 | Operating |
| Middlesex 2Conventional Hydroelectric | Green Mountain Power Corp | Washington | 3.2 | 2 | 1928 | Operating |
| Clark FallsConventional Hydroelectric | Green Mountain Power Corp | Chittenden | 3 | 1 | 1937 | Operating |
| WeybridgeConventional Hydroelectric | Green Mountain Power Corp | Addison | 3 | 1 | 1951 | Operating |
| Gorge 18Conventional Hydroelectric | Green Mountain Power Corp | Chittenden | 3 | 1 | 1928 | Operating |
| Deweys MillConventional Hydroelectric | Green Mountain Power Corp | Windsor | 3 | 2 | 1989 | Operating |
| Lower MiddleburyConventional Hydroelectric | Green Mountain Power Corp | Addison | 2.4 | 3 | 1917 | Operating |
| Vergennes 9Conventional Hydroelectric | Green Mountain Power Corp | Addison | 2.4 | 3 | 1912 | Operating |
| East BarnetConventional Hydroelectric | Green Mountain Power Corp | Caledonia | 2.2 | 1 | 1984 | Operating |
| Silver Lake (VT)Conventional Hydroelectric | Green Mountain Power Corp | Addison | 2.2 | 1 | 1917 | Operating |
| GlenConventional Hydroelectric | Green Mountain Power Corp | Rutland | 2 | 2 | 1920 | Operating |
| Carver FallsConventional Hydroelectric | Green Mountain Power Corp | Washington | 1.9 | 2 | 1922 | Operating |
| GMP Solar - RichmondSolar Photovoltaic | Green Mountain Power Corp | Chittenden | 1.9 | 1 | 2016 | Operating |
| Ottauquechee HydroConventional Hydroelectric | Green Mountain Power Corp | Windsor | 1.8 | 2 | 1983 | Operating |
| CavendishConventional Hydroelectric | Green Mountain Power Corp | Windsor | 1.7 | 3 | 1907 | Operating |
| Mascoma HydroConventional Hydroelectric | Green Mountain Power Corp | Grafton | 1.5 | 3 | 1988 | Operating |
| Smith (VT)Conventional Hydroelectric | Green Mountain Power Corp | Orange | 1.5 | 2 | 1982 | Operating |
| RollinsfordConventional Hydroelectric | Green Mountain Power Corp | Strafford | 1.4 | 2 | 1986 | Operating |
| Somersworth Lower Great DamConventional Hydroelectric | Green Mountain Power Corp | Strafford | 1.3 | 1 | 1985 | Operating |
| SalisburyConventional Hydroelectric | Green Mountain Power Corp | Addison | 1.3 | 1 | 1917 | Operating |
| Salmon FallsConventional Hydroelectric | Green Mountain Power Corp | York | 1.2 | 3 | 1986 | Operating |
| EHC West HopkintonConventional Hydroelectric | Green Mountain Power Corp | Merrimack | 1 | 1 | 1985 | Operating |
| West Danville 15Conventional Hydroelectric | Green Mountain Power Corp | Caledonia | 1 | 1 | 1917 | Operating |
Green Mountain Power: FAQ
- How many power plants does Green Mountain Power operate?
- EIA-860M lists 46 operating plants against “Green Mountain Power Corp” for 2026-07, totalling 307 MW of nameplate capacity in 4 states.
- Is Green Mountain Power the owner of these plants?
- EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
- Why are affiliates listed separately?
- Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.