NexGen Energy Ltd. (NYSE:NXE) is one of the top nuclear energy stocks to invest in for the next 5 years.

On March 5, 2026, NexGen said the Canadian Nuclear Safety Commission approved the environmental assessment for its 100%-owned Rook I Uranium Project and issued the Licence to Prepare Site and Construct, giving the project its final federal approval. The company said this came 14 business days after the final two-part commission hearing concluded on February 12, 2026. It added that Saskatchewan’s provincial environmental assessment approval had already been received in November 2023, along with the other required provincial authorizations.

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NexGen said the approval clears the way for full construction, with official construction set to begin in summer 2026 and the build expected to take four years from commencement. The company said Rook I, located in Saskatchewan’s Athabasca Basin, is capable of producing up to 30 million pounds of uranium annually once in production.

NexGen Energy Ltd. (NYSE:NXE) is a Canadian uranium developer focused on the Rook I Project in Saskatchewan, a 100%-owned development-stage asset that hosts the Arrow deposit. The company is also listed on the TSX under NXE and on the ASX under NXG.

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