Combined Notice of Filings #1

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Energy Federal Energy Regulatory Commission Take notice that the Commission received the following Electric Rate filings: Docket Numbers: ER14-1400-002. Applicants: Seneca Generation, LLC. Description: Refund Report: Refund Report to be effective N/A. Filed Date: 9/25/26. Accession Number: 20260925-5145 Comment Date: 5 p.m. ET 10/16/26. Docket Numbers: ER20-1424-003 Applicants: Yards Creek Energy, LLC Description: Refund Report: Refund Report to be effective N/A. Filed Date: 9/25/26. Accession Number: 20260925-5152. Comment Date: 5 p.m. ET 10/16/26. Docket Numbers: ER20-1776-003. Applicants: Yards Creek Energy, LLC. Description: Refund Report: Refund Report to be effective N/A. Filed Date: 9/25/26. Accession Number: 20260925-5154. Comment Date: 5 p.m. ET 10/16/26. Docket Numbers: ER24-2166-000. Applicants: Invenergy Nelson Expansion LLC. Description: Refund Report: Refund Report to be effective N/A. Filed Date: 9/25/26. Accession Number: 20260925-5087. Comment Date: 5 p.m. ET 10/16/26. Docket Numbers: ER26-2847-002. Applicants: American Transmission Systems, Incorporated. Description: Tariff Amendment: Amendment Filing to ER26-2847—SA No. 7681 to be effective 8/16/2026. Filed Date: 9/25/26. Accession Number: 20260925-5028. Comment Date: 5 p.m. ET 10/16/26. Docket Numbers: ER26-3337-001. Applicants: Midcontinent Independent System Operator, Inc., American Transmission Company LLC. Description: Tariff Amendment: Midcontinent Independent System Operator, Inc.…