Two American energy companies are each preparing to bring a nuclear power station back into service, an unprecedented operation which should help meet the growing need for electricity in the United States.

Big Tech needs electricity to fuel its rapid, electricity-guzzling expansion of its AI capabilities, but a recent deal between Constellation Energy and Microsoft can't fill the gap immediately.

A plan by Microsoft to use the restart of a Three Mile Island nuclear reactor to help power its expanding data centers reflects the tech industry's hopes nuclear energy can be a quick and climate-friendly answer to its massive electricity needs.