The fortunes of the nuclear industry have shifted dramatically this year as tech companies seek carbon-free power to meet the electricity consumption of AI.

Constellation Energy is preparing to restart what's now called the Crane Clean Energy Center on Three Mile Island to supply electricity to Microsoft.

AI’s thirst for energy sealed the deal between Microsoft and Constellation on the plant, where memories of a partial meltdown in 1979 still resonate.

The tech sector's growing power needs are breathing new life into the nuclear power industry. Restarting a reactor at Three Mile Island is part of the plan.