A rupture forced a steam release at a nuclear power plant in southwestern Michigan, forcing a utility to shut down one of the two units.
The steam was not radioactive but it damaged a wall at the Cook Nuclear Plant Unit 2 early Wednesday in Bridgman, said officials at Indiana Michigan Power. There were no injuries.
The utility said there were no other complications and “all equipment responded appropriately.” Officials are now working on repair estimates.
Cook’s Unit 1 is operating at 100 percent.
Inspectors from the U.S. Nuclear Regulatory Commission are investigating the incident.