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Taltson Hydro Expansion Project

Sector: Hydro • Location: Great Slave Lake region, Northwest Territories, Canada

Source: Construct Connect

Project
Environmental Assessment

The Taltson Hydro Expansion Project aims to double the Northwest Territories' hydro capacity by building an additional 60-megawatt hydro facility and connecting the North and South Slave Lake electrical grids through a 320-kilometre transmission line, including an underwater section. The project is advanced by five Indigenous nations, with an environmental assessment planned for 2026, construction

Status
Environmental assessment
Sector
Hydro, Power Generation (CCGT), Commercial, Residential
Location
Great Slave Lake region, Northwest Territories, Canada
Updated
22 Jul 2026
Source
Construct Connect

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Project Information

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The project “Taltson Hydro Expansion Project” is an infrastructure initiative in the Hydro sector, located in Great Slave Lake region, Northwest Territories, Canada. Taiyo aggregates data on it from Construct Connect.

Participants

Not available for this record.

Status

Original status

environmental assessment

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Taltson Hydro Expansion Project aims to double the Northwest Territories' hydro capacity by building an additional 60-megawatt hydro facility and connecting the North and South Slave Lake electrical grids through a 320-kilometre transmission line, including an underwater section. The project is advanced by five Indigenous nations, with an environmental assessment planned for 2026, construction starting in 2029, and first power expected by 2033.

Original sector

Infrastructure

Location

Country

Canada

State

Northwest Territories

City

Great Slave Lake region

Source

Source

Construct Connect

URL

More Details

Record type

Project

Sector

Hydro, Power Generation (CCGT), Commercial, Residential

Article published date

2026-03-21

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