Amazon doubles down on nuclear energy with deal for small reactors
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Put Amazon on the list of big technology firms embracing new nuclear technologies to fuel their data centers.
Amazon said Wednesday it’s investing in projects to develop small modular nuclear reactors, or SMRs. The announcement comes days after Google unveiled a similar plan, as both companies seek to meet growing energy demands from artificial intelligence and data centers while honoring pledges to reduce carbon emissions.
Amazon is leading a $500 million funding round for X-Energy Reactor, a company that develops small modular nuclear reactors and fuel. It’s also working with utilities in Washington state and Virginia on potential SMR projects. Google said Monday it will purchase energy from small modular nuclear reactors developed by Kairos Power.
The first Kairos Power SMR is intended to come online by 2030. Amazon and X-Energy want to bring more than 5 gigawatts of power projects online by 2039.
Amazon expects four of these reactors will initially generate 320 megawatts of capacity for Energy Northwest but the project could increase to 960 megawatts, enough to power some 770,000 homes. In Virginia, a small modular reactor near an existing Dominion Energy nuclear power station could generate at least 300 megawatts, Amazon’s release said.
SMR advocates argue that their smaller footprint allows them to be constructed in more places than traditional nuclear reactors. But the technology is still in its early stages of development: Currently, there are no SMRs online yet in the United States, and only one SMR design, from NuScale Power, has been approved by the U.S. Nuclear Regulatory Commission.
The announcements come as tech companies scour the nation for electricity to power their increasingly power-hungry data centers. Already, Amazon and Microsoft have struck deals to buy large amounts of power from legacy nuclear plants. (Amazon founder Jeff Bezos owns The Washington Post.)
But small modular reactors have proved more elusive. The U.S. government and private firms have been trying to advance the technology for years, but it has been slow going.
The industry was dealt a setback recently when NuScale’s plans to bring a small modular reactor online in Idaho collapsed. The projected price of the electricity kept spiraling upward and ultimately became too expensive for the small municipal utilities in Utah that had signed up to buy it.
Tech industry power needs, however, are giving SMRs new momentum. AI developers see the plants as a potential major source of power that can scale quickly and provide energy around-the-clock.