Google strikes a deal with a nuclear startup to power its AI data centers

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 ...