Xcel Energy, the utility company that runs the plant, said the spillage was "fully contained on-site and has not been detected beyond the facility". 17 mars 2023 · Officials are overseeing the cleanup of a spill of 400,000 gallons (1.5 million liters) of radioactive water from a nearby nuclear power plant in Minnesota. Xcel Energy, the power company that operates the nuclear plant, has stated that the radioactive water leak “was fully contained on-site and has not been detected beyond the.