Northern States Power Company: Monticello Nuclear Generating Plant

The U.S. Nuclear Regulatory Commission (NRC) has issued an exemption for the Monticello Nuclear Generating Plant, Docket No. 50- 263, in response to an April 6, 2017, request from Northern States Power Company. Specifically, the exemption is from the regulation that requires where redundant trains of systems necessary to achieve and maintain hot shutdown conditions located within the same fire area outside of primary containment, one of the redundant trains remains free of fire damage by one of three methods of physical separation.