A 262-ton transformer has arrived at Three Mile Island after a month-long trip from South Korea by ship, barge, rail and specialized heavy-haul transport. It's the first of three new transformers headed to the Crane Clean Energy Center, marking a major milestone in the nuclear plant's planned restart. 🎥: Megan Lavey-Heaton | PennLive.com #ThreeMileIsland #NuclearEnergy #Pennsylvania #Engineering #Infrastructure #Energy