Energizing generations with clean, reliable power.

The Falls Village Generating Station is a three-unit hydroelectric station located on the Housatonic River in the beautiful Town of Falls Village.

Completed in 1914 as a store-and-release operation, this station was converted to an instantaneous, Class I renewable run-of-river station in 2010. It offers an overlook of Great Falls and includes two trail systems with multiple recreational opportunities and direct access to the Appalachian Trail.

River System: Housatonic River Capacity: 11 MW Turbines: 3 Allis Chalmers units Originally Built: 1914

The Turners Falls project is a five-unit conventional hydroelectric station located on the Connecticut River in Montague.

The first of two plants that make up the 2.7 mile long Turners Falls Project, Station No. 1 has been providing clean, renewable hydropower since 1905. The Project is currently equipped with 3 upstream fish passage facilities, which operate on a schedule established annually by the Connecticut River Atlantic Salmon Commission.

River System: Connecticut River Capacity: 6 MW Turbines: 5 generating units Originally Built: 1905

The Twin Falls Generating Station is a five-unit hydroelectric station located on the Abitibi River. The station was built in 1922, all five generators rewound between 1982 and 1992 to increase capacity, switch gear modernized in 1999, and controls modernized in 2009. The original turbine runners were replaced in 2012 after 90 years of service. The station presently has an installed capacity of 27.5 MW at a gross head of 17 meters.

River System: Abitibi River Capacity: 27.5 MW Turbines: Five Vertical Francis Originally Built: 1922

Shepaug is Connecticut’s largest hydroelectric generation station and is also the second largest source of carbon-free electricity in the state, located on the Housatonic River in both Newtown and Southbury. Lake Lillinonah, the impoundment created by the dam, is one of Connecticut’s largest lakes and serves as a significant economic driver for our host communities in western Connecticut. It provides fantastic recreational opportunities throughout the year and also contributes to the creation of a unique habitat for wildlife, notably dozens of bald eagles during the winter months.

River System: Housatonic River Capacity: 42.6 MW Turbines: 1 Allis Chalmers unit Originally Built: 1955

The Norman Generating Station is a five-unit hydroelectric station located on the Winnipeg River at the outlet of Lake of the Woods in the town of Kenora. The dam was constructed in 1898 and the powerhouse completed in 1926. The station has an installed capacity of 12.8 MW at a gross head of 5.7 meters.

River System: Winnipeg River Capacity: 12.8 MW Turbines: 5 Vertical Propeller Originally Built: 1926

One of the largest hydro stations in Connecticut, Stevenson has been supplying the region with more than 100,000 MWh of clean hydroelectricity each year since 1919. Located on the Housatonic River, Stevenson Dam creates Lake Zoar, one of the state’s largest and most beautiful lakes. The impoundment serves as an economic driver for its host communities in Oxford, Monroe, Newtown, and Southbury.

River System: Housatonic River Capacity: 28.9 MW Turbines: 3 GE (7.2 MW each) and 1 GE (8 MW) Originally Built: 1919

The Scotland Dam Generating Station is a single-unit, Class I run-of-river hydroelectric station located on the Shetucket River in Windham.

Completed in 1937, this station operates as part of a trio of renewable hydroelectric dams in Eastern Connecticut that generates a total capacity of approximately 6.3 MW of carbon-free electricity. In 2018 FirstLight completed work on a state-of-the-art fish elevator (gray steel structure in the foreground) used for both upstream and downstream passage of fish.

River System: Shetucket River Capacity: 2.2 MW Turbines: 1 generating unit Originally Built: 1937

The Fort Frances Generating Station is an eight-unit run-of-river hydroelectric generating station located on the Rainy River in the town of Fort Frances. The station was built in 1909 and equipped with horizontal turbines that were used to grind wood and generate power. In 1954, all original equipment was removed and replaced with eight vertical turbine generators. The station has an installed capacity of 13.1 MW at a gross head of 9.1 meters.

River System: Rainy River Capacity: 13.1 MW Turbines: 8 Vertical Propeller Originally Built: 1909

The Bantam Generating Station is a single-unit hydroelectric station located on the Bantam River in Litchfield.

Completed in 1905, this renewable run-of-river station operates as part of a pair of hydroelectric dams in Northwestern Connecticut that generates a total capacity of approximately 920 KW.

River System: Bantam River Capacity: 0.3 MW Turbines: 1 generating unit Originally Built: 1905

The Calm Lake Generating Station is a two-unit run-of-river hydroelectric station located on the Seine River at the outlet of Calm Lake. The station was originally built in 1928, both turbine runners were replaced in the 1960’s, both generators were rewound in the mid 1980’s, and the main transformer and associated electrical equipment were replaced in 2006. One runner replaced in 2016. The station has an installed capacity of 9.5 MW at a gross head of 24.9 meters.

River System: Seine River Capacity: 9.5 MW Turbines: 2 Vertical Francis Originally Built: 1928

Completed in 1903, this instantaneous, Class I renewable run-of-river station was the first large hydroelectric station in Connecticut. Located on the Housatonic River in the towns of Kent and New Milford, the project supports a natural flow regime and also includes a high-difficulty whitewater area, trail systems, a wildlife and trout management area, and direct access to the Appalachian Trail.

River System: Housatonic River Capacity: 8.4 MW Turbines: 6 generating units Originally Built: 1903

The Island Falls Generating Station is a four-unit hydroelectric station located on the Abitibi River in Tolmie and Menapia Townships. The station was built in 1925, with two of the four units operating at 25 Hz. In 1996, the station was modernized and all units were converted to 60 Hz operation. In 2018 one turbine was replaced and the unit rewound, with a second to be completed soon. The station has an installed capacity of 44.3 MW at a gross head of 19 meters. Located 30 km north of the confluence of the Abitibi and Frederickhouse Rivers, the station is a run-of-river plant. Local storage capability allows a moderate level of peaking performance during all but freshet conditions.

River System: Abitibi River Capacity: 44.3 MW Turbines: 4 Vertical Francis Originally Built: 1925

The Kenora Generating Station is a six unit hydroelectric station located on the Winnipeg River at the outlet of Lake of the Woods in the town of Kenora. The station was built circa 1906 and in 1921-26 was reconfigured from horizontal to ten vertical turbines. The station was rebuilt in 2019 with six vertical units and has an installed capacity of 5.5 MW at a gross head of 5.7 meters.

River System: Winnipeg River Capacity: 5.5 MW Turbines: 6 Vertical Propeller Originally Built: 1906

The Sturgeon Falls Generating Station is a two-unit run-of-river hydroelectric generating station located on the Seine River approximated 90 km east of the town of Fort Frances. The station was built in 1927, both turbine runners were replaced in the mid 1960’s, both generators were rewound in the mid 1980’s, and the main transformer and associated electrical equipment were replaced in 2004. The generators were rewound and runners replaced again in 2016. The station has an installed capacity of 8.4 MW at a gross head of 19.8 meters.

River System: Seine River Capacity: 8.4 MW Turbines: 2 Vertical Francis Originally Built: 1927

The Iroquois Falls Generating Station is a twelve-unit run-of-river hydroelectric station located on the Abitibi River in Teefy Township. The original powerhouse was completed in 1914 with fourteen turbines, where ten turbines drove pulp grinders and four turbines were configured to drive electric generators. The station was reconfigured in 1946, where all fourteen turbines were reconfigured to drive electric generators for a capacity of 20 MW. In 2002-2004, the station was redeveloped to provide nine new Kaplan turbines and three of the remaining units were refurbished, resulting in a total capacity of 29.7 MW at a head of 13 meters.

River System: Abitibi River Capacity: 29.7 MW Turbines: 9 Vertical Saxo Kaplan, 3 Horizontal Double Francis Originally Built: 1914

The Allegheny 9 project is a 17.9 MW run-of-river hydroelectric station located on the Allegheny River.

Allegheny 9 is located 9.4 miles upstream of Allegheny 8. Both Allegheny 8 and 9 are run of the river hydroelectric power facilities located with existing federal lock and dam facilities operated by the US Army Corps of Engineers.

River System: Allegheny River Capacity: 17.9 MW Turbines: Horizontal Bulb Kaplan Originally Built: 1990

The Allegheny 8 project is a 13.6 MW run-of-river hydroelectric station located on the Allegheny River.

Allegheny 8 is located 9.4 miles downstream of Allegheny 9. Both Allegheny 8 and 9 are run of the river hydroelectric power facilities located with existing federal lock and dam facilities operated by the US Army Corps of Engineers.

River System: Allegheny River Capacity: 13.6 MW Turbines: Horizontal Bulb Kaplan Originally Built: 1990

The Taftville Generating Station is a five-unit hydroelectric station located on the Shetucket River in Norwich.

Completed in 1906, this Class I renewable run-of-river station operates as part of a trio of hydroelectric dams in Eastern Connecticut that generates a total capacity of approximately 6.3 MW of carbon-free electricity.

River System: Shetucket River Capacity: 2 MW Turbines: 5 generating units Originally Built: 1906

The Tunnel Generating Station is a two-unit hydroelectric station located on the Quinebaug River in Preston.

Completed in 1919, this Class I renewable run-of-river station is operates as part of a trio of hydroelectric dams in Eastern Connecticut that generates a total capacity of approximately 6.3 MW of carbon-free electricity.

River System: Quinebaug River Capacity: 2.1 MW Turbines: 2 generating units Originally Built: 1919

The Robertsville Generating Station is a two-unit hydroelectric station located on the Still River in Colebrook.

Completed in 1914, this renewable run-of-river station operates as part of a pair of hydroelectric dams in Northwestern Connecticut that generates a total capacity of approximately 920 KW of carbon-free electricity.

River System: Still River Capacity: 0.6 MW Turbines: 2 generating units Originally Built: 1914

The Cabot Generating Station is Massachusetts’ largest conventional hydropower facility located on the Connecticut River in Montague.

The facility, which is the second of a two station system along 2.7 miles of the river called the Turners Falls Project, has been providing clean electricity since 1916. The Project is currently equipped with 3 upstream fish passage facilities, which operate on a schedule established annually by the Connecticut River Atlantic Salmon Commission.

River System: Connecticut River Capacity: 62 MW Turbines: 6 generating units Originally Built: 1915

The Ayers-1 generating station is located on the Rivière-du-Nord in Lachute, Quebec. In combination with the Ayers-2 plant, which is about one kilometer upstream, it benefits from a power purchase agreement with Hydro-Québec Production for several years. The facility was built in the 1920s.

River System: Rivière-du-Nord Capacity: 4.7 MW Originally Built: 1920 Combined Capacity: 5.9 MW

The Ayers-2 generating station is located on the Rivière-du-Nord in Lachute, Quebec. In combination with the Ayers-1 plant, which is about one kilometer downstream, it benefits from a power purchase agreement with Hydro-Québec Production for several years. Originally, the plant, built in the late 1800s, served as a pumping station for the Ayers family’s industrial activities. It was converted into a hydroelectric power station in 1992 following a major refurbishment as part of the APR-91 program.

River System: Rivière-du-Nord Capacity: 1.2 MW Construction: 1992 Combined Capacity: 5.9 MW

Big Beaver Falls is a 5.5 MW hydroelectric facility on the Kapuskasing River in Northeastern Ontario.

River System: Kapuskasing River Capacity: 5.5 MW Annual Production: 21,641 MWh Commissioning: Spring 2013

Camp Three Rapids is a 5.5 MW hydroelectric facility on the Kapuskasing River in Northeastern Ontario.

River System: Kapuskasing River Capacity: 5.5 MW Annual Production: 21,641 MWh Commissioning: Spring 2013

White Otter Falls is a 5.5 MW hydroelectric facility on the Kapuskasing River in Northeastern Ontario.

River System: Kapuskasing River Capacity: 5.5 MW Annual Production: 21,106 MWh Commissioning: Summer 2013

Old Woman Falls is a 5.5 MW hydroelectric facility on the Kapuskasing River in Northeastern Ontario.

River System: Kapuskasing River Capacity: 5.5 MW Annual Production: 21,106 MWh Commissioning: Early 2013

Okikendawt is a 10 MW hydroelectric facility on the French River in Dokis, Ontario.

River System: French River Capacity: 10 MW Annual Production: 48,000 MWh Commissioning: Summer 2015

RSP is a hydroelectric project comprised of two hydroelectric facilities on the Jacques Cartier River in Pont‐Rouge, Québec, with a combined capacity of 13.5 MW.

River System: Jacques Cartier River Capacity: 13.5 MW Facilities: 2 Long Term Average Generation: 65,810 MWh