Training artificial intelligence systems consumes so much energy that Meta, Google or Amazon are now looking towards an unexpected source: nuclear power plants. Meta’s recent agreement with Constellation Energy is proof.
The company that owns Facebook and Instagram has just signed a 20-year contract to power its data centers with electricity generated at the Clinton nuclear plant in Illinois, thus saving a facility that was going to close in 2017.
This movement is not an isolated gesture. Behind it is an uncomfortable reality: AI is energy voracious. According to Goldman Sachs, its electricity demand could multiply by 160 by 2030.
Renewable ones, although clean, do not offer the stability needed by servers that process data day and night. The solution? Nuclear energy reemerges as a lifeline since it produces constant electricity, without direct CO₂ emissions, and on a large scale.
The energy demand of AI
According to a Goldman Sachs report, electricity demand linked to AI could multiply by 160 by 2030. To put it in perspective, it would be like adding the electricity consumption of a country like Argentina or Poland in just five years.
The problem is that renewable energies, although clean, have a key limitation: they depend on the sun and wind. A data center cannot afford interruptions because the sky is cloudy or the wind is not blowing.
AI runs 24/7, and its infrastructure needs a constant, predictable supply. This is where nuclear energy comes in. It is not that big technology companies love this option, but that they simply do not have a viable alternative in the short term.
Nuclear offers what renewables cannot guarantee: stable, massive energy available at any time. While the world looks for cleaner long-term solutions, fission emerges as a solution to power AI without collapsing the electrical grid.
Nuclear 101: Why Attracts Tech?
For big technology companies, nuclear energy is not an option, but a strategic necessity. Three reasons explain this: stability, cleanliness and efficiency.
While a wind farm depends on the wind and a solar plant turns off at dusk, a nuclear reactor runs non-stop, generating constant energy 24 hours a day. This is vital for data centers that cannot afford even a second of downtime.
Nuclear energy does not emit CO₂ during electricity generation, which helps companies like Meta meet their carbon neutrality goals. A single reactor produces as much energy as thousands of solar panels, but takes up a fraction of the space.
How does it compare to other sources? While natural gas is stable but polluting, and renewables are clean but intermittent, nuclear offers the balance that technology needs: massive, reliable energy with a smaller environmental footprint.
It is not perfect, but today it is the option that best solves your energy dilemma.
When digital giants bet on atomic energy
The nuclear race of technology companies goes far beyond Meta. Google has put its chips into modular reactors (SMR), signing agreements with Kairos Power to develop smaller, safer plants.
Amazon, for its part, has invested in startups such as X-energy, which promise new generation reactors with innovative designs.
But the boldest move was made by Microsoft: it became the first big tech to reopen a closed nuclear power plant, resurrecting abandoned infrastructure to power its AI cloud.
The pattern is clear: none of these companies are building their own plants. Instead, they form strategic alliances with energy specialists, combining their financial power with decades of nuclear experience.
It is a marriage of convenience: technology companies obtain stable and clean energy, while the nuclear industry receives the financial oxygen it needed.
The nuclear rebirth: far from the ghosts of the past
The nuclear energy that technology attracts today has little to do with the reactors of the 20th century. The new modular reactors (SMR) are smaller, safer and are assembled like Lego pieces, allowing capacity to be scaled on demand.
Meanwhile, Generation IV reactors use advanced coolants such as molten salts, reducing waste and eliminating the risk of meltdowns. Meta exemplifies this new era.
Their deal not only buys clean energy, but revitalizes the Clinton plant in Illinois, saving 1,100 jobs at a facility that was set to close. It is a win-win model: tech companies obtain stable supply and communities recover energy infrastructure.
This nuclear rebirth moves away from the ghosts of Chernobyl or Fukushima. The new designs prioritize passive safety (systems that turn off themselves in emergencies) and efficiency.
Not everything is happy fission
Although promising, nuclear energy is not a perfect solution. The high cost of construction – which can exceed $10 billion per traditional plant – remains a significant barrier, even for technology giants.
Modular reactors (SMR) promise to reduce these costs, but are still in the development phase. Another headache is the management of radioactive waste. Although the new designs generate less waste, the problem persists without a definitive solution.
In addition, projects face bureaucratic obstacles and social rejection, such as when Meta had to pause a plan in Idaho due to environmental conflicts.
For technology companies, the clock is ticking: they need clean and stable energy now, but nuclear comes with long deadlines and risks. Their bet is clear, but the path is full of fissures that could slow down this atomic revolution 2.0.
Is the nuclear-tech future realistic?
The technology companies’ nuclear commitment responds to a simple equation: they need massive, stable, low-emission energy now, not in decades.
Although new generation reactors solve many problems of the past (safety, waste, flexibility), the model still faces key challenges: slow implementation timelines and high initial costs.
However, the urgency to feed AI is accelerating innovations and alliances that were unthinkable five years ago. The financial commitment of these companies could be the catalyst the nuclear industry needed for its reinvention.
It will not be the definitive solution, but it does seem to become the inevitable bridge towards a cleaner energy future. The real question is not whether it will work, but how quickly it can scale to meet ever-growing demand.
This post is also available in: