Governments Are Quietly Betting Big on Nuclear Power

Four cooling towers of a power plant emitting steam.

As wars, climate stress, and exploding AI power demand collide, leaders are quietly steering the world back toward nuclear energy while leaving the public to worry about waste, weapons, and who really benefits.

Story Snapshot

Canada and the United States each plan up to ten new nuclear reactors, tying energy policy to AI, war, and climate pressures.^[1]^[6]
Canada is turning its uranium wealth and new mines into a nuclear fuel hub for North America, deepening cross-border dependence.^[4]^[5]
Supporters frame nuclear as a zero‑carbon backbone for data centers and grid stability, but cost, waste, and safety critics warn of old risks in new clothes.^[2]^[11]
Global nuclear plans are surging on paper, yet past waves show only a small share of promised reactors ever get built outside Asia.^[21]^[23]

North America’s New Nuclear Push

Energy planners in Washington and Ottawa now talk about nuclear power and artificial intelligence in the same breath.^[1]^[4] The Trump administration has outlined support for ten new reactors and billions in federal loans as part of a drive to secure “American dominance” in nuclear energy.^[1] Canada’s federal strategy likewise sketches out up to ten large reactors, with two targeted by 2035 and more by 2040.^[6] Both governments say they are responding to fast‑rising electricity needs, geopolitical instability, and climate goals at the same time.

Artificial intelligence is a big piece of that demand story, even if the numbers are still fuzzy.^[4] A recent workshop on nuclear energy for AI‑driven growth suggested global data and AI loads could double or triple by 2030, adding tens of gigawatts of steady power needs that solar and wind struggle to cover alone.^[4] Nuclear backers argue that round‑the‑clock reactors are uniquely suited to power data centers that must run 24/7 without outages, especially when wars, sanctions, and fuel shocks make energy security feel fragile again.^[1]^[4]

Canada Bets On Uranium, Reactors, And Jobs

Canada is moving fastest on the fuel side of this shift.^[4] The country already holds the world’s third‑largest uranium resources and is ramping up mining to anchor North American nuclear fuel chains.^[4] The federal government recently approved new uranium projects in Saskatchewan, including the Rook One mine, which officials say could supply up to one‑fifth of global uranium demand.^[5] At the same time, nuclear power already delivers about 15 percent of Canada’s electricity, and Ottawa aims to roughly double nuclear‑related jobs from 90,000 to more than 180,000.^[3]

Ontario is at the center of Canada’s reactor buildout plans.^[1] Provincial leaders directed Ontario Power Generation to explore new nuclear generation at the Wesleyville site, which could host enough capacity to power about ten million homes.^[1] Canada is also backing small modular reactors, with the Darlington New Nuclear Project expected to make it the first Group of Seven country to deploy such a reactor for roughly 300,000 homes.^[5]^[10] Supporters argue that these smaller units might be faster to build and easier to finance than traditional big plants, though full cost comparisons with renewables are still limited.^[7]

Old Problems Shadow The Nuclear “Renaissance”

Critics point out that nuclear’s toughest problems never really went away.^[3]^[11] In the United States, more than 80,000 tons of high‑level waste sit at temporary sites because no permanent deep geologic repository is open.^[11]^[15] Large reactors often take ten or more years to plan and build and have a long history of cost overruns and heavy subsidies.^[11]^[21] Groups like Friends of the Earth argue that when mining, enrichment, concrete, and long‑term storage are included, nuclear’s full carbon footprint still cannot match wind and solar, and that money spent on new plants could instead scale cheaper clean options.^[11]

Waste and safety concerns also feed fears about weapons and war.^[3]^[11] Medical groups in Canada warn that nuclear power and nuclear weapons are linked through materials and know‑how, and that expanding small modular reactors could unintentionally raise proliferation risks.^[3] Globally, civil nuclear projects unfold in the shadow of tense debates over Iran’s nuclear program and broader worries about a “nuclear jungle” in the Middle East.^[3] Those images of mushroom clouds and brinkmanship easily bleed into public views of civilian reactors, even though the systems and rules are different.

Global Ambition Meets Political Distrust

International bodies now project steep growth in nuclear capacity, yet the track record is mixed.^[2]^[22] The International Atomic Energy Agency’s high‑case outlook shows global nuclear output more than doubling by 2050, with small modular reactors making up a major share of new capacity.^[22] But past waves tell a cautionary story. Researchers find that high‑level nuclear build pledges often far outstrip what actually gets constructed, especially in Western countries where cost, regulation, and politics slow projects.^[21]^[23]

🇨🇳🇺🇸🇰🇷 Thailand has officially put an end to its decades of atomic hesitation, locking Small Modular Reactors (SMRs) directly into its mandatory national infrastructure.

After scrapping past iterations of its energy roadmaps, the Thai Ministry of Energy has unveiled its… pic.twitter.com/P04mxVqO1I

— Nuclear Business Platform (@Nuclear_BP) June 28, 2026

This new nuclear push lands in a moment when many Americans and Canadians, left and right, feel the system works for elites, not for them. Voters watch governments promise huge reactor fleets while basic questions about waste sites, local safety, and who pays the bill stay unresolved.^[11]^[15] Supporters see nuclear as a practical way to keep the lights on, cut emissions, and power AI. Skeptics see another round of grand plans where insiders capture subsidies, ordinary people absorb the risk, and the deeper failures of the energy system remain untouched.