Google is turning to nuclear energy to help power its AI. On Monday, the company said it will partner with the startup Kairos Power to build seven small nuclear reactors in the US.

Google announced on Monday that it signed a corporate agreement to buy nuclear energy from several small modular reactors developed by California-based Kairos Power.

Google is officially putting its weight behind advanced “mini” nuclear reactors in an effort to produce new clean to meet growing AI energy demands. On Tuesday, the company announced an agreement with California-based small nuclear reactor (SMR) startup Kairos Power to commission the development of six or seven reactors that could add 500 megawatts of clean energy to the US electrical grid within the next decade.

Google is adding nuclear plants to its seemingly ever-growing portfolio. The company has partnered with Kairos Power to back the construction of seven small nuclear reactors in the U.S. It’s the first agreement of its kind.