You can help expand this article with text translated from the corresponding article in French. (May 2009) Click [show] for important translation instructions. View a machine-translated version of the French article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 1,685 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing French Wikipedia article at [[:fr:Shawinigan Water and Power Company]]; see its history for attribution. You may also add the template {{Translated|fr|Shawinigan Water and Power Company}} to the talk page. For more guidance, see Wikipedia:Translation.

Established in 1898, the Shawinigan Water & Power Company was one of the dominant, privately owned hydroelectric companies in Canada until 1963, when it became a part of Hydro-Québec.

Shawinigan Water & Power Company was founded on January 15, 1898, by American businessman John Edward Aldred^[1] (who was the president) and John Joyce,^[2] and then joined by Andrew Frederick Gault, H. H. Melville, Thomas McDougall, and Louis-Joseph Forget. The company was named for where it was based: Shawinigan, Quebec.

The company established various power station over the history of the company. Six power plants were built along the Saint-Maurice River in the 1920s^[2]

• Shawinigan 1 7.5MW (c. 1901) – built at what is now Shawinigan Falls. Shawinigan-1 ceased production in the early 1950s.
• Shawinigan 2 200MW (1911–1929)
• Shawinigan 3 194MW (1946–1948)^[2]
• La Gabelle 129MW (1924–1931)
• Rapide-Blanc 204MW (c. 1930)
• La Trenche 302MW (c. 1950)
• Beaumont 270MW (1958–1959)

In 1956 the company had total generating capacity at 1284 MW from the six active power stations.^[3]

Shawinigan Water & Power also generated power from two subsidiaries:

• Quebec Power Company – 31.1MW from six stations near Quebec City^[3]
• Southern Canada Power Company Limited – 43.4 MW from five stations on St. Francis River and other tributaries in the Eastern Townships^[3]

• Shawinigan Carbide
• Belgo Pulp and Paper Mills

• History of Hydro-Québec
• Edmond Thibaudeau
• List of hydroelectric stations in Quebec
• Gouin Reservoir
• Saint-Maurice River
• Tracy Thermal Generating Station