Google is turning to nuclear energy to help power its AI drive. On Monday, the company said it will partner with the startup Kairos Power to build seven small nuclear reactors in the US. The deal targets adding 500 megawatts of nuclear power from the small modular reactors (SMRs) by the decade’s end. The first is expected to be up and running by 2030, with the remainder arriving through 2035.
It’s the first-ever corporate deal to buy nuclear power from SMRs. Small modular reactors are smaller than existing reactors. Their components are built inside a factory rather than on-site, which can help lower construction costs compared to full-scale plants.
Kairos will need the US Nuclear Regulatory Commission to approve design and construction permits for the plans. The startup has already received approval for a demonstration reactor in Tennessee, with an online date targeted for 2027. The company already builds test units (without nuclear-fuel components) at a development facility in Albuquerque, NM, where it assesses components, systems and its supply chain.
The companies didn’t announce the financial details of the arrangement. Google says the deal’s structure will help to keep costs down and get the energy online sooner.
“By procuring electricity from multiple reactors — what experts call an ‘orderbook’ of reactors — we will help accelerate the repeated reactor deployments that are needed to lower costs and bring Kairos Power’s technology to market more quickly,” Michael Terrell, Google’s senior director for energy and climate, wrote in a blog post. “This is an important part of our approach to scale the benefits of advanced technologies to more people and communities, and builds on our previous efforts.”
The AI boom — and the enormous amount of data center power it requires — has led to several deals between Big Tech companies and the nuclear industry. In September, Microsoft forged an agreement with Constellation Energy to bring a unit of the Three Mile Island plant in Pennsylvania back online. In March, Amazon bought a nuclear-powered data center from Talen Energy.
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