OpenAI is believed to be in talks with Microsoft to construct a massive supercomputer code-named Stargate containing millions of AI accelerators at a cost of up to $100 billion. Stargate would reportedly be the largest in a series of AI supercomputers built by Microsoft for OpenAI over the next six years and could consume as much as five gigawatts when complete. Finding enough carbon-free energy to power such a system without completely derailing Microsoft's aggressive eco-promises could, however, prove troublesome. Even the largest nuclear power plant in the US, the Palo Verde Generating Station west of Phoenix, Arizona, can only muster 3.3 gigawatts of electric power from its three reactors.