NexGen Energy Ltd. receives final federal approval for the Rook I Uranium Project and commences construction

NexGen Energy Ltd. announced on March 5, 2026, that it received final federal approval from the Canadian Nuclear Safety Commission for its 100%-owned Rook I Uranium Project in Saskatchewan's Athabasca Basin. This approval, following provincial authorization in November 2023, allows NexGen to initiate full construction of the project, which is expected to take four years. The Rook I Project is designed to be the largest single source uranium mine globally, capable of producing up to 30 million pounds annually, representing over 20% of current global uranium fuel supply.

Counterparts (2)

regulator

The Canadian Nuclear Safety Commission

company

The Canadian Nuclear Safety Commission is a federal government agency responsible for regulating the use of nuclear energy and materials in Canada to protect health, safety, security, and the environment. Established in 2000, it has approximately 900 employees and oversees all nuclear facilities and activities within Canada.

Developer

NexGen Energy Ltd.

company

Vancouver-based uranium exploration and development company focused on advancing its Rook I Project, host to the high-grade Arrow Deposit, in the Athabasca Basin, Saskatchewan, Canada. It aims to become a premier global supplier of uranium for the nuclear energy sector.