Isle-Maligne Hydroelectric Plant Modernization
One of 10,000+ projects Taiyo tracks in Quebec.
Source: Home | EnergyTech
Rio Tinto will spend $1.2 billion to modernize the 99-year-old Isle-Maligne hydroelectric plant in Alma, Quebec, which powers its aluminum production. The modernization includes replacing eight turbine-alternator groups, rehabilitating water intake and hydraulic passage, replacing electrical and mechanical equipment, and modifying a spillway to improve winter reliability. The project is essential
- Status
- Prospective
- Sector
- Wind, Hydro, Steel, Power Generation (CCGT), Residential, Water Supply and Storage, Metal
- Location
- Alma, Quebec, Canada
- Updated
- 22 Jul 2026
- Source
- Home | EnergyTech
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Project Information
Participants
| Not available for this record. |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | Rio Tinto will spend $1.2 billion to modernize the 99-year-old Isle-Maligne hydroelectric plant in Alma, Quebec, which powers its aluminum production. The modernization includes replacing eight turbine-alternator groups, rehabilitating water intake and hydraulic passage, replacing electrical and mechanical equipment, and modifying a spillway to improve winter reliability. The project is essential for low-carbon aluminum production in Saguenay-Lac-Saint-Jean and is expected to complete by 2032. |
Original sector | Energy |
Budget |
Location
Country | Canada |
State | Quebec |
City | Alma |
Source
Source | Home | EnergyTech |
URL |
More Details
Record type | Project |
Sector | Wind, Hydro, Steel, Power Generation (CCGT), Residential, Water Supply and Storage, Metal |
Article published date | 2025-05-22 |
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