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How was hydroelectric generating capacity at the Moses-Saunders Power Dam shared by Ontario and New York?

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Map showing the St. Lawrence hydrographic system and the five main sectors of the St. Lawrence Seaway project, stretching from Lake Ontario near Kingston through various locks, canals, and dams along the Canada-United States border to Montreal. The map highlights key locations such as the Thousand Islands, International Rapids, Lake St. Francis, Soulanges, and Lachine sections, with detailed labeling of major locks, canals, and power dams. Cross sections of the lock and canal system are depicted — St. Lawrence Seaway The St. Lawrence hydrographic system, with the five main sectors of the St. Lawrence Seaway project.

The hydroelectric generating capacity at the Moses-Saunders Power Dam, located in the International Rapids section of the St. Lawrence River, is shared equally between the province of Ontario and the state of New York.1

This power generation project, which began operations in July 1958, was a key component of the broader St. Lawrence Seaway development designed to harness the energy of the river's waters.1