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Isle-Maligne Hydroelectric Plant Modernisation

Planned · Quebec · Last reported May 2025

Source: Benefits and Pensions Monitor

Project
Planned

Rio Tinto will invest up to $1.7 billion over seven years to modernise the 99-year-old Isle-Maligne hydroelectric generating plant in Alma, Quebec. The plant powers the company's aluminium smelters in the region and currently has an installed capacity of about 448 megawatts. This is the largest single investment in Rio Tinto's hydroelectric assets since the 1950s, aimed at ensuring the long-term f

Status
Prospective
Sector
Power Generation (CCGT)
Location
Alma, Quebec, Canada
Updated
22 Jul 2026
Source
Benefits and Pensions Monitor

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The project “Isle-Maligne Hydroelectric Plant Modernisation” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Alma, Quebec, Canada. Taiyo aggregates data on it from Benefits and Pensions Monitor.

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 invest up to $1.7 billion over seven years to modernise the 99-year-old Isle-Maligne hydroelectric generating plant in Alma, Quebec. The plant powers the company's aluminium smelters in the region and currently has an installed capacity of about 448 megawatts. This is the largest single investment in Rio Tinto's hydroelectric assets since the 1950s, aimed at ensuring the long-term future and competitiveness of low carbon aluminium production in Quebec.

Original sector

Energy

Budget

Location

Country

Canada

State

Quebec

City

Alma

Source

Source

Benefits and Pensions Monitor

URL

More Details

Record type

Project

Sector

Power Generation (CCGT)

Article published date

2025-05-23

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