Eartha Jane Melzer
Michigan Messenger 
Sept 28, 2011
Entergy’s Palisades nuclear plant near South Haven on Lake Michigan is venting radioactive steam into the environment as part of an unplanned shutdown triggered by an electrical accident.
This shutdown, which began Sunday evening, came just five days after the plant restarted from a shutdown that was caused by a leak in the plant’s cooling system.
Nuclear Regulatory Commission spokeswoman Prema Chandrithal said that the current shutdown happened because an object slipped during work on a circuit breaker and caused an arc that took out power for one of two DC electrical systems that power safety valves and other devices.
According to a notice filed with the Nuclear Regulatory Commission, the plant is stable and “controlling temperature using Atmospheric Dump Valves.”