WASHINGTON, April 27 (TNSFR) -- The U.S. Nuclear Regulatory Commission (NRC) granted an exemption to Constellation Energy Generation, LLC (CEG) in response to the company's request for a modification to the Clinton Early Site Permit (ESP-001) renewal process. This exemption allows CEG to submit its renewal application for the Clinton ESP no later than 45 days prior to the expiration of the existing permit, which is set to expire on March 15, 2027. Typically, NRC regulations require permit hold more PR