The U.S. Nuclear Regulatory Commission is trying to figure out what caused part of a sprinkler system outside of the reactor building to be blocked.
Monticello nuclear plant shuts down
Xcel Energy says its Monticello nuclear power plant automatically shut down at 11:07 a.m. Tuesday, but officials aren't sure why and a cause is being investigated, the Pioneer Press reports. All plant safety systems were functioning, officials with the Minneapolis-based utility said. The shutdown posed no danger to the public or workers, Xcel officials said. The plant is not expected to be down long.