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The Explosive Comeback of Uranium: Between Big Tech and the Nuclear Revolution
Points clés
The rise of artificial intelligence and the growth of data centers are creating a massive and continuous demand for electricity, which only stable and dense energy sources like nuclear can provide.
Nuclear energy is becoming an essential pillar in meeting global climate goals, offering low-carbon, stable, and mature energy, supported by policies and international commitments.
After years of underinvestment, global production is struggling to keep up, with declining inventories and very long lead times to restart mines, creating a lasting imbalance in the market.
After two decades of disinterest, uranium is back in the spotlight, and this time, the dynamic is on an entirely different scale. Demand is rising sharply, driven in part by the digital economy, while supply is struggling to keep pace after years of underinvestment. With now broad political support, uranium is emerging as one of the most structural themes among commodities today.
Uranium : What it is, What it does
Uranium is a heavy, naturally radioactive metal found in the Earth’s crust at very low concentrations (2 to 4 grams of uranium per ton of rock). It is the sole fuel used in civilian nuclear reactors. Its key property is nuclear fission: when a neutron strikes a uranium nucleus, it splits, releasing a colossal amount of energy (about 2 million times greater than that released by the combustion of a carbon atom).
Nuclear energy : dense, reliable, and low-carbon
Nuclear power generates electricity with exceptional energy density: 7 grams of enriched uranium produce as much energy as one ton of coal. With a capacity factor above 92%, compared to 25–35% for wind and 22% for solar, nuclear power plants stable and continuous output, essential for modern power grids.
In terms of carbon emissions, nuclear ranks among the cleanest energy sources, on par with offshore wind and far ahead of natural gas, according to the IPCC.
From mine to reactor : the value chain
The journey of uranium from the ground to the reactor is long and complex: mining, conversion, enrichment, fuel fabrication. Each stage requires heavy infrastructure and specialized expertise. This rigidity is precisely why supply cannot quickly adjust to price signals.
Three catalysts driving uranium
A commodity supercycle is defined as a multi-year (often decade-long) phase where structural demand persistently exceeds supply capacity, forcing a deep rebalancing. Uranium is now entering this regime due to the combined effect of three major and simultaneous catalysts, a rare convergence in commodity history.
1) AI : an extraordinary energy appetite
Generative AI is driving an unprecedented energy demand. A single ChatGPT query uses 2.9 Wh, nearly 10 times more than a standard Google search. Training and running large language models require GPU clusters operating 24/7. Recent examples:
According to the International Energy Agency (IEA), global data center electricity demand rose from 460 TWh in 2024 and is expected to reach 1,300 TWh by 2035. Intermittent energy sources like solar and wind cannot provide this continuous and predictable power so tech giants are heavily investing in nuclear:
• Meta and Amazon contracted over 10 GW of clean energy in 2025, with nearly 23% in nuclear
• Microsoft invested $16 billion with Constellation to restart Three Mile Island
• Google is developing 500 MW of SMRs with Kairos Power
• Meta holds 6.6 GW of nuclear capacity, a global record for a technology company
2) The energy transition
To reach carbon neutrality by 2050 and -50% by 2035, renewables alone aren’t enough. Nuclear, stable and mature, is central to decarbonization.
• COP28: 22 nations committed to tripling global nuclear capacity by 2050.
• EU: nuclear included in sustainable finance taxonomy (2022).
3) A structural supply deficit
The global uranium market has shifted from chronic surplus to structural deficit, which inventories can no longer offset. Reactor demand exceeds mine production by 40–50 million pounds per year, and inventories have fallen by 38% since 2012 (~800 million pounds in 2023).
With demand set to rise sharply and mining limited, the deficit will grow, supporting prices and reinforcing uranium’s strategic importance.
The different players in the value chain
The uranium value chain offers very different entry points depending on the desired risk/return profile.
Integrated miners : direct exposure to price
Integrated miners are companies that directly own and operate uranium mines. Their revenues and profitability depend directly on uranium prices, making them highly sensitive to supply and demand fluctuations.
• Cameco (Canada) is the global leader among integrated miners (24% of Canadian production).
• Kazatomprom (Kazakhstan) is the world’s largest producer (43% of total uranium production).
• NexGen Energy (Canada) owns the Arrow deposit in the Athabasca region, considered one of the richest in the world.
SMRs : betting on the next nuclear revolution
Small Modular Reactors (SMRs) represent a technological disruption that could reshape the industry over the next two decades. These mini-reactors (50 to 500 MW) are factory-built, modular, and deployable within 3 to 5 years, compared to 10 to 15 years for large reactors. Their appeal for Big Tech is clear: proximity to data centers, dedicated and scalable power, and construction timelines aligned with the pace of the digital economy. • Oklo is developing a small reactor aiming to produce its first electricity by 2027 SMRs represent the next nuclear revolution, offering companies and investors access to reliable, rapidly deployable energy compatible with the needs of digital infrastructure and artificial intelligence.
• NuScale Power offers modular solutions tailored to industrial and corporate needs
• Rolls-Royce SMR is developing a compact reactor backed by the UK government and European investors
• X-energy is working on an innovative reactor with support from the US government
Nuclear utilities : stability and visibility
Utilities are companies that operate nuclear power plants and directly generate electricity. Unlike miners or technology developers, their business is more stable, as they sell electricity over the long term, often through secured contracts.
• Constellation Energy is the leading private nuclear operator in the United States. The company has signed a long-term contract with Microsoft, providing strong revenue visibility.
• Vistra Corp. operates several nuclear plants in the US and has signed an agreement with Meta.
• Duke Energy has a significant nuclear fleet but remains a diversified energy group.
• EDF is the world’s largest nuclear operator, with 56 reactors in France. The company is 100% owned by the French state, making it a central player in the national energy strategy.
How to gain exposure to the theme
⛏️ Integrated miners
Invest directly in companies that own and operate uranium mines or are positioned along the value chain.
🏦 Thematic ETFs
Thematic ETFs provide diversified exposure to the entire uranium ecosystem, including miners, reactor builders, and utilities. This reduces company-specific risk and allows investors to track the sector’s growth.
☢️Physical uranium
Investing in physical uranium through a listed vehicle such as the Sprott Physical Uranium Trust allows pure exposure to the spot price of the metal, without dependence on company performance or mining operational risks. This is ideal for those seeking direct price exposure. The main drawback is the absence of dividends or regular income, with returns entirely dependent on price fluctuations, implying potentially high volatility.
Points of attention & risks
Conclusion
The uranium thesis for 2026 is not a speculative bet. It is the documented convergence of three secular forces: the global energy transition, which firmly reinstates nuclear as a cornerstone of decarbonization; the artificial intelligence revolution, which creates unprecedented firm and massive electricity demand; and a supply market structurally unable to respond before the end of the decade.
What makes this cycle particularly robust is the multiplicity of its drivers. Unlike the 2007 peak, largely driven by speculation and Asian growth, this supercycle is simultaneously supported by institutional commitments (COP28), massive industrial contracts (Big Tech), bipartisan public policies (ADVANCE Act, EU ESG taxonomy), and relentless supply-demand fundamentals.