Once synonymous with fear and failure, Three Mile Island is poised for an unlikely transformation. The Pennsylvania nuclear site, home to the worst commercial nuclear accident in US history, is set to return to the grid not as a relic of the atomic age, but as a backbone for the artificial intelligence boom now reshaping the global economy. As AI data centres multiply and their appetite for electricity surges, governments and tech companies are scrambling for reliable, round-the-clock power. In the United States, that search has led policymakers back to nuclear energy and to Three Mile Island itself, where a long-shuttered reactor is now being revived to help meet the extraordinary demands of AI infrastructure. AI systems require far more electricity than traditional digital services

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