Manicouagan 5—Additional Capacity Project

by Michel Roy, Hydro-Quebec, Canada,
Alex. Stoian, Hydro-Quebec, Canada,



Document Type: Proceeding Paper

Part of: Waterpower '89

Abstract: This paper, after presenting briefly the evolution of the peak demand characteristics of the Hydro-Quebec grid and what caused it, describes how newly installed capacity and equipment uprating will add over 2,200 MW of firm peak capacity to the Manicouagan Hydroelectric Complex. The most significant addition is made at the Manicouagan 5 site, which alone accounts for half of this new capacity and is slated for full commissioning during 1989. This project, being developed in the proximity of the Daniel Johnson multiple arch dam and of one existing powerhouse, had challenged the planners, designers and equipment suppliers to solve some specific problems especially related to the tapping of the reservoir and the return of the increased flow to the river bed.

Subject Headings: Hydro power | Equipment and machinery | Power plants | Arch dams | Grid systems | Existing buildings | Hydraulic design | Reservoirs

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