The reactor meant to showcase nuclear’s comeback keeps hitting problems

US regulators have warned Holtec International to address safety concerns at Michigan’s Palisades plant, which the company is trying to reopen. The NRC found that staff were reluctant to raise concerns for fear of retaliation, while recent incidents and operator exam results have added scrutiny to a project presented as part of a US nuclear revival.

A contractor fell into the reactor cavity last year and required medical attention after traces of radioactive contamination were found in their hair. In August, a bundle of fuel rods tilted during refuelling, delaying the planned restart; nine of 15 operators failed an initial licensing exam. Holtec has never operated a nuclear plant and has received about $2.2 billion in government support, with a March 2027 deadline to begin supplying power. The company said it was addressing the NRC’s concerns and that the fuel assembly was recovered without a spill.