Author(s): Carola Alfaro; Karen Ng; Nicolas Sadoch; Jean-Christophe Guay; Simon Langlois; Yannick Chevrier-Bedard; Parisa Mehrabi Jirandehi

Linked Author(s): Jean-Christophe Guay

Keywords: Ecohydraulics; Hydrodynamic modeling; Hydroelectric infrastructure; Modernization; Environmental standards; Saint Lawrence River

Abstract: The Beauharnois – Les-Cedres (BHN–LC) hydroelectric complex, located in the Province of Quebec (Canada), includes the Beauharnois development, the Les-Cedres development, and the Saint Lawrence River compensating structures. Built between 1912 and 1971, these facilities form one of the most significant hydraulic systems along the Saint Lawrence River corridor. Their strategic role in power generation, water-level management, and support for the St. Lawrence Seaway makes this co mplex a major component of

DOI: https://doi.org/10.64697/iahr.proc.ise2026.abs.344

Year: 2026