Exelon is the holder of Renewed Facility Operating License No. DPR-50 for TMI-1. The license provides, among other things, that the facility is subject to all rules, regulations, and orders of the NRC now or hereafter in effect. The facility consists of one pressurized-water reactor located in Dauphin County, Pennsylvania. By letter dated June 20, 2017 (ADAMS Accession No. ML17171A151), the licensee submitted Certification of Permanent Cessation of Power Operations for TMI-1. In this letter, Exelon notified the NRC of its intent to permanently cease operations at TMI-1 no later than September 30, 2019.