Google Signs Landmark Nuclear Energy Agreement with Kairos Power

Google has made a significant move in the clean energy sector by becoming the first corporation to sign an agreement to purchase nuclear energy from multiple small modular reactors (SMRs) to be developed by Kairos Power. This pioneering arrangement aims to bring the first SMR online by 2030, with further deployments planned through 2035, contributing up to 500 megawatts of 24/7 carbon-free power to U.S. electricity grids.

The agreement is part of Google’s broader strategy to employ a diverse array of advanced clean electricity technologies to power its global data centers and offices. By integrating nuclear power with existing renewable energy sources like solar and wind, Google hopes to achieve its goal of using carbon-free energy around the clock and reaching net-zero emissions.

Kairos Power’s advanced reactors are designed with a simplified and inherently safe architecture. Utilizing a molten-salt cooling system and ceramic, pebble-type fuel, these reactors can efficiently conduct heat to a steam turbine for power generation. This system operates at low pressure, which not only simplifies the design process but also makes it more financially feasible.

The path to deployment includes an iterative development strategy, with multiple hardware demonstrations intended to streamline reactor design and ensure cost predictability. Already, Kairos Power has achieved several technological milestones, including breaking ground on its Hermes non-powered demonstration reactor in Tennessee, authorized by the U.S. Nuclear Regulatory Commission.

This partnership will enable the “fleet of reactors” approach, facilitating accelerated and cost-effective deployment of SMRs. Google intends to expand this technology’s reach, echoing previous projects such as their enhanced geothermal initiative with Fervo Energy and collaboration with U.S. utilities on a national pilot program.