AtkinsRéalis Group And 2 Other Canadian Nuclear Stocks To Watch

Crude prices recently moved above US$111 a barrel after fresh attacks on Saudi energy facilities, which has refocused attention on how fragile global fuel supply can be. That kind of shock keeps reliable power sources in the spotlight for Canadian investors watching long term energy trends. This article looks at three Canadian nuclear energy stocks from our screener that many investors use to research this theme.

The three stocks highlighted here offer a compelling starting point if you want exposure to uranium producers, fuel cycle services, and nuclear reactor operators providing reliable and sustainable power. However, if you want the strongest names, these 16 nuclear renaissance stocks are at the top of the list.

AtkinsRéalis Group (TSX:ATRL)

Overview: AtkinsRéalis Group is a global engineering and project management company whose Nuclear segment supports reactor design, refurbishment, decommissioning and waste management services.

Operations: AtkinsRéalis generates about CA$2.6b from Nuclear alongside larger engineering services in the UK at CA$2.9b, the US at CA$2.1b and Canada at CA$1.6b, with revenue spread across Canada, the United States, the United Kingdom and other regions.

Market Cap: CA$13.6b

For investors focused on nuclear energy infrastructure, AtkinsRéalis Group offers something different from pure uranium producers, since its Nuclear division is tied directly to reactor projects, life extension work and long term support contracts across several regions.

"Record nuclear revenue growth in early 2026 and an increased full year nuclear revenue outlook to about $2.7b indicate that AtkinsRéalis Group is monetizing its nuclear backlog and recent contract wins, which directly supports higher future revenue and earnings quality."

What happens to AtkinsRéalis margins and cash generation will hinge on how one unresolved pressure inside its nuclear project mix plays out.

If that pressure point is on your radar, the full narrative for AtkinsRéalis Group unpacks how AtkinsRéalis Group’s nuclear backlog, project risk mix and cash generation could be decoupling.

NexGen Energy (TSX:NXE)

Overview: NexGen Energy is a Vancouver based uranium explorer and developer advancing its 100% owned Rook I project in Saskatchewan’s Athabasca Basin.

Market Cap: CA$8.0b

NexGen Energy draws attention in a nuclear themed portfolio because Rook I targets uranium concentrate that feeds reactor fuel. This is a pure exploration and development story, not a current producer, and outcomes depend on project execution, financing and how any future changes in uranium demand and contract pricing ultimately develop.

Those execution and pricing swings are exactly what the analyst forecasts for NexGen Energy lay out, so you can see how market expectations line up with the uranium story.

Energy Fuels (TSX:EFR)

Overview: Energy Fuels is a Lakewood based producer that focuses on uranium used in nuclear reactors, while also supplying rare earth elements and heavy mineral sands.

Operations: Energy Fuels currently reports about $106 million in revenue from its Uranium segment, which provides reactor grade U3O8.

Market Cap: CA$2.9 billion

Energy Fuels matters for a nuclear themed watchlist because its uranium output feeds directly into reactor fuel, while the rare earth expansion plans create a second link into critical materials for electrification and power technology.

"Completion and commissioning of the White Mesa Mill rare earth separation Phase 2 expansion (potentially increasing monazite processing to 60,000 tonnes/year and enabling commercial-scale heavy rare earth production such as Dy/Tb) could establish Energy Fuels as a major western supplier, capturing price premiums driven by western supply chain security and increasing electrification demand. This would support long-term revenue and margin upside."

What happens to Energy Fuels’ future pricing power and cash generation depends heavily on how one unseen pressure in that growth plan resolves.

That hidden pressure point is exactly where the full narrative for Energy Fuels shows whether Energy Fuels is quietly building lasting pricing power or simply masking future volatility.

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