Notice of Institution of Section 206 Proceeding and Refund Effective Dates

<NOTICE> DEPARTMENT OF ENERGY <SUBAGY>Federal Energy Regulatory Commission</SUBAGY> <SUBJECT>Notice of Institution of Section 206 Proceeding and Refund Effective Dates</SUBJECT> <GPOTABLE COLS="2" OPTS="L2,nj,tp0,p7,7/8,i1" CDEF="s25,xs48"> <TTITLE> </TTITLE> <CHED H="1"> </CHED> <CHED H="1">Docket Nos.</CHED> <ROW> <ENT I="01">PJM Interconnection, L.L.C</ENT> <ENT>EL25-49-000</ENT> </ROW> <ROW> <ENT I="01">Allegheny Electric Cooperative, Inc</ENT> </ROW> <ROW> <ENT I="01">American Transmission Systems, Incorporated</ENT> </ROW> <ROW> <ENT I="01">Atlantic City Electric Company</ENT> </ROW> <ROW> <ENT I="01">Baltimore Gas and Electric Company</ENT> </ROW> <ROW> <ENT I="01">Delmarva Power & Light Company</ENT> </ROW> <ROW> <ENT I="01">Duke Energy Ohio, Inc</ENT> </ROW> <ROW> <ENT I="01">Duke Energy Kentucky, Inc</ENT> </ROW> <ROW> <ENT I="01">East Kentucky Power Cooperative, Inc</ENT> </ROW> <ROW> <ENT I="01">Essential Power Rock Springs, LLC</ENT> </ROW> <ROW> <ENT I="01">Hudson Transmission Partners, LLC</ENT> </ROW> <ROW> <ENT I="01">Jersey Central Power & Light Company</ENT> </ROW> <ROW> <ENT I="01">Mid-Atlantic Interstate Transmission, LLC</ENT> </ROW> <ROW> <ENT I="01">Neptune Regional Transmission System, LLC</ENT> </ROW> <ROW> <ENT I="01">Old Dominion Electric Cooperative</ENT> </ROW> <ROW> <ENT I="01">PECO Energy Company</ENT> </ROW> <ROW> <ENT I="01">PPL Electric Utilities Corporation</ENT> </ROW> <ROW> <ENT I="01">Potomac Electric Power Company</ENT> </ROW> <ROW> <ENT I="01">Public Service Electric and Gas Company</ENT> </ROW> <ROW> <ENT I="01">Rockland Electric Company</ENT> </ROW> <ROW> <ENT I="01">Trans-Allegheny Interstate Line Company</ENT> </ROW> <ROW> <ENT I="01">Transource West Virginia, LLC</ENT> </ROW> <ROW> <ENT I="01">UGI Utilities, Inc</ENT> </ROW> <ROW> <ENT I="01">Monongahela Power Company</ENT> </ROW> <ROW> <ENT I="01">The Potomac Edison Company</ENT> </ROW> <ROW> <ENT I="01">Commonwealth Edison Company</ENT> </ROW> <ROW> <ENT I="01">Commonwealth Edison Company of Indiana, Inc</ENT> </ROW> <ROW> <ENT I="01">The Dayton Power and Light Company</ENT> </ROW> <ROW> <ENT I="01">AEP Appalachian Transmission Company, Inc</ENT> </ROW> <ROW> <ENT I="01">AEP Indiana Michigan Transmission Company, Inc</ENT> </ROW> <ROW> <ENT I="01">AEP Kentucky Transmission Company, Inc</ENT> </ROW> <ROW> <ENT I="01">AEP Ohio Transmission Company, Inc</ENT> </ROW> <ROW> <ENT I="01">AEP West Virginia Transmission Company, Inc</ENT> </ROW> <ROW> <ENT I="01">Appalachian Power Company</ENT> </ROW> <ROW> <ENT I="01">Indiana Michigan Power Company</ENT> </ROW> <ROW> <ENT I="01">Kentucky Power Company</ENT> </ROW> <ROW> <ENT I="01">Kingsport Power Company</ENT> </ROW> <ROW> <ENT I="01">Ohio Power Company</ENT> </ROW> <ROW> <ENT I="01">Wheeling Power Company</ENT> <ENT I="01">Virginia Electric and Power Company</ENT> </ROW> <ROW> <ENT I="01">Linden VFT, LLC</ENT> </ROW> <ROW> <ENT I="01">City of Cleveland, Department of Public Utilities, Division of Cleveland Public Power</ENT> </ROW> <ROW> <ENT I="01">City of Hamilton, OH</ENT> </ROW> <ROW> <ENT I="01">Southern Maryland Electric Cooperative, Inc</ENT> </ROW> <ROW> <ENT I="01">Ohio Valley Electric Corporation</ENT> </ROW> <ROW> <ENT I="01">AMP Transmission, LLC</ENT> </ROW> <ROW> <ENT I="01">Silver Run Electric, LLC</ENT> </ROW> <ROW> <ENT I="01">NextEra Energy Transmission MidAtlantic Indiana, Inc</ENT> </ROW> <ROW> <ENT I="01">Wabash Valley Power Association, Inc</ENT> </ROW> <ROW> <ENT I="01">Keystone Appalachian Transmission Company</ENT> </ROW> <ROW> <ENT I="01">Large Loads Co-Located at Generating Facilities</ENT> <ENT>AD24-11-000</ENT> </ROW> <ROW> <ENT I="01"> <E T="03">Constellation Energy Generation, LLC</E> v. <E T="03">PJM Interconnection, L.L.C</E> </ENT> <ENT>EL25-20-000</ENT> </ROW> </GPOTABLE> On February 20, 2025, the Commission issued an order in Docket Nos. EL25-49-000, AD24-11-000 and EL25-20-000, pursuant to section 206 of the Federal Power Act (FPA), 16 U.S.C. 824e, instituting an investigation in Docket No. EL25-49-000 to determine whether PJM Interconnection, L.L.C.'s Tariff is unjust, unreasonable, unduly discriminatory or preferential, or otherwise unlawful. <E T="03">PJM Interconnection, L.L.C.,</E> 190 FERC ¶ 61,115 (2025). The refund effective date in Docket No. EL25-49-000, established pursuant to section 206(b) of the FPA, will be the date of publication of this notice in the <E T="04">Federal Register</E> . The refund effective date in Docket No. EL25-20-000, established pursuant to section 206(b) of the FPA, is November 22, 2024, the date Constellation filed the complaint. Any interested person desiring to be heard in Docket No. EL25-49-000 must file a notice of intervention or motion to intervene, as appropriate, with the Commission, in accordance with Rule 214 of the Commission's Rules of Practice and Procedure, 18 CFR 385.214 (2024), within 21 days of the date of issuance of the order. In addition to publishing the full text of this document in the <E T="04">Federal Register</E> , the Commission provides all interested persons an opportunity to view and/or print the contents of this document via the internet through the Commission's Home Page ( <E T="03">http://www.ferc.gov</E> ) using the “eLibrary” link. Enter the docket number excluding the last three digits in the docket number field to access the document. From FERC's Home Page on the internet, this information is available on eLibrary. The full text of this document is available on eLibrary in PDF and Microsoft Word format for viewing, printing, and/or downloading. To access this document in eLibrary, type the docket number excluding the last three digits of this document in the docket number field. User assistance is available for eLibrary and the FERC's website during normal business hours from FERC Online Support at 202-502-6652 (toll free at 1-866-208-3676) or email at <E T="03">ferconlinesupport@ferc.gov,</E> or the Public Reference Room at (202) 502-8371, TTY (202) 502-8659. Email the Public Reference Room at <E T="03">public.referenceroom@ferc.gov.</E> The Commission strongly encourages electronic filings of comments, protests and interventions in lieu of paper using the “eFile” link at <E T="03">http://www.ferc.gov.</E> In lieu of electronic filing, you may submit a paper copy. Submissions sent via the U.S. Postal Service must be addressed to: Debbie-Anne A. Reese, Secretary, Federal Energy Regulatory Commission, 888 First Street NE, Room 1A, Washington, DC 20426. Submissions sent via any other carrier must be addressed to: Debbie-Anne A. Reese, Secretary, Federal Energy Regulatory Commission, 12225 Wilkins Avenue, Rockville, Maryland 20852. The Commission's Office of Public Participation (OPP) supports meaningful public engagement and participation in Commission proceedings. OPP can help members of the public, including landowners, community organizations, Tribal members and others, access publicly available information and navigate Commission processes. For public inquiries and assistance with making filings such as interventions, comments, or requests for rehearing, the public is encouraged to contact OPP at (202) 502-6595 or <E T="03">OPP@ferc.gov.</E> <SIG> <NAME>Carlos D. Clay,</NAME> Deputy Secretary. </SIG> <FRDOC>[FR Doc. 2025-03184 Filed 2-26-25; 8:45 am]</FRDOC> </NOTICE>