Rio Tinto invests to modernise century-old hydroelectric power plant in Quebec
15 May 2025
ALMA, Canada–(BUSINESS WIRE)– Rio Tinto is investing US$1.2 billion (CA$1.7 billion) to modernise its Isle-Maligne hydroelectric power plant, commissioned in 1926 in Alma, Quebec. This is Rio Tinto’s largest single investment in its hydroelectric assets since the 1950s