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November 26, 2021

Jean-Lesage, Canada

By Carmen

Jean-Lesage is a 1,084MW hydro power project. It is located on Manicouagan river/basin in Quebec, Canada. The project is currently active. It has been developed in multiple phases. The project construction commenced in 1961 and subsequently entered into commercial operation in 1965.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 1,084 1,084 Active Quebec, Canada Hydro-Quebec


The project is developed and owned by Hydro-Quebec.

Jean-Lesage is a run-of-river project. The hydro reservoir capacity is 35,000 million cubic meter. The net head of the project is 70.11m.

Jean-Lesage (Jean-Lesage Phase I) consists of 6 units of francis turbines with 128MW nameplate capacity.

The Jean-Lesage (Jean-Lesage Phase I) has 6 electric generators installed at the site. The generator capacity is 170 MVA.

Development Status

The project construction commenced in 1961 and subsequently entered into commercial operation in 1965.

Contractors Involved

Jean-Lesage (Jean-Lesage Phase II) is equipped with AECOM Canada francis turbines. The phase consists of 2 turbines with 158MW nameplate capacity.

AECOM Canada supplied 2 electric generators for the Jean-Lesage (Jean-Lesage Phase II).

About Hydro-Quebec

Hydro-Quebec is a state-owned energy utility that generates, transmits and distributes electricity. The company produces power from the sources such as hydro, diesel, gas, nuclear, wind, solar, biomass and others. Hydro-Quebec markets system capacity and manages electricity flow across Quebec; provides customer services and promotes energy efficiency. It also designs, constructs, and renovates the generation and transmission facilities, primarily for Hydro-Quebec Production and Hydro-Quebec TransEnergie. The company also develops battery materials for electric vehicles and has presence in the electric powertrain market. The company has operations in the US and Canada. Hydro-Quebec is headquartered in Montreal, Quebec, Canada.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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