Jean-Lesage is a 1,084MW hydro power project. It is located on Manicouagan river/basin in Quebec, Canada. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, 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. Buy the profile here.


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).

For more details on Jean-Lesage, buy the profile here.

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.

This content was updated on 20 July 2023

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GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.