Combined Notice of Filings #1

Take notice that the Commission received the following Electric Corporate filings:

Docket Numbers: EC26-175-000.

Applicants: Roccasecca BESS LLC.

Description: Application for Authorization Under Section 203 of the Federal Power Act of Roccasecca BESS LLC.

Filed Date: 9/24/26.

Accession Number: 20260924-5213.

Comment Date: 5 p.m. ET 10/15/26.

Take notice that the Commission received the following Electric Rate filings:

Docket Numbers: ER26-1952-000.

Applicants: Macquarie Energy LLC.

Description: Amended Request for Limited Waiver of Tariff Provisions, et al. of Macquarie Energy LLC.

Filed Date: 9/25/26.

Accession Number: 20260925-5213.

Comment Date: 5 p.m. ET 10/16/26.

Docket Numbers: ER26-3001-001.

Applicants: North Allegheny Wind, LLC.

Description: Tariff Amendment: Response to Deficiency Letter and Revised Market-Based Rate Tariff to be effective 7/1/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5141.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3009-001.

Applicants: Alton Post Office Solar, LLC.

Description: Tariff Amendment: Response to Deficiency Letter and Revised Market-Based Rate Tariff to be effective 7/1/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5105.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3011-001.

Applicants: AM Wind Repower LLC.

Description: Tariff Amendment: Response to Deficiency Letter and Revised Market-Based Rate Tariff to be effective 7/1/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5111.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3013-001.

Applicants: Aspen Road Solar 1, LLC.

Description: Tariff Amendment: Response to Deficiency Letter and Revised Market-Based Rate Tariff to be effective 7/1/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5126.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3864-000.

Applicants: Talen Keystone LLC.

Description: Tariff Amendment: Notice of Cancellation of Market-Based Rate Tariff to be effective 9/26/2026.

Filed Date: 9/25/26.

Accession Number: 20260925-5169.

Comment Date: 5 p.m. ET 10/16/26.

Docket Numbers: ER26-3865-000.

Applicants: PJM Interconnection, L.L.C.

Description: 205(d) Rate Filing: Revised GIA, Service Agreement No. 7661; AF1-147/AG1-221/AH1-223 to be effective 8/26/2026.

Filed Date: 9/25/26.

Accession Number: 20260925-5177.

Comment Date: 5 p.m. ET 10/16/26.

Docket Numbers: ER26-3866-000.

Applicants: The Potomac Edison Company.

Description: 205(d) Rate Filing: Potomac Edison submits an amended Construction Agmt—SA No. 6349 to be effective 11/28/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5033.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3867-000.

Applicants: The Potomac Edison Company.

Description: 205(d) Rate Filing: Potomac Edison submits an amended IA—SA No. 4452 to be effective 11/28/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5035.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3868-000.

Applicants: PJM Interconnection, L.L.C.

Description: 205(d) Rate Filing: GIA, First Revised SA No. 7465; Project Identifier No. AG1-054/AG2-236 to be effective 8/28/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5037.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3869-000.

Applicants: Midcontinent Independent System Operator, Inc.

Description: 205(d) Rate Filing: 2026-09-28_SA 4868 Entergy Arkansas-Big Cypress Energy GIA (S1094) to be effective 9/23/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5055.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3870-000.

Applicants: Midcontinent Independent System Operator, Inc.

Description: 205(d) Rate Filing: 2026-09-28_SA 4864 METC-DTE GIA (S1136) to be effective 9/14/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5067.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3871-000.

Applicants: Southwest Power Pool, Inc.

Description: 205(d) Rate Filing: Revisions for Repricing Modifications during Real-Time Balancing Market Outages to be effective 12/31/9998.

Filed Date: 9/28/26.

Accession Number: 20260928-5075.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3872-000. ( printed page 62508)

Applicants: PJM Interconnection, L.L.C.

Description: Tariff Amendment: Notice of Cancellation of ISA SA No. 6100; Queue No. AE2-112/AF1-036 I to be effective 11/28/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5081.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3873-000.

Applicants: Midcontinent Independent System Operator, Inc.

Description: 205(d) Rate Filing: 2026-09-28_SA 4865 METC-DTE GIA (S1138) to be effective 9/15/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5097.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3874-000.

Applicants: Duane Arnold Energy, LLC.

Description: 205(d) Rate Filing: Duane Arnold Energy, LLC—Application for MBR Authorization to be effective 11/28/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5100.

Comment Date: 5 p.m. ET 10/19/26.

Docket Numbers: ER26-3875-000.

Applicants: Enbridge Solar (Cowboy II), LLC.

Description: Initial Rate Filing: Filing of Shared Facilities Agreement and Request for Waiver to be effective 11/27/2026.

Filed Date: 9/28/26.

Accession Number: 20260928-5132.

Comment Date: 5 p.m. ET 10/19/26.

Take notice that the Commission received the following Electric Securities filings:

Docket Numbers: ES26-77-000.

Applicants: Oklahoma Gas and Electric Company.

Description: Application Under Section 204 of the Federal Power Act for Authorization to Issue Securities of Oklahoma Gas and Electric Company.

Filed Date: 9/25/26.

Accession Number: 20260925-5225.

Comment Date: 5 p.m. ET 10/16/26.

The filings are accessible in the Commission's eLibrary system ( elibrary.ferc.gov/​idmws/​search/​fercgensearch.asp) by querying the docket number.

Any person desiring to intervene, to protest, or to answer a complaint in any of the above proceedings must file in accordance with Rules 211, 214, or 206 of the Commission's Regulations (18 CFR 385.211, 385.214, or 385.206) on or before 5:00 p.m. Eastern time on the specified comment date. Protests may be considered, but intervention is necessary to become a party to the proceeding.

eFiling is encouraged. More detailed information relating to filing requirements, interventions, protests, service, and qualifying facilities filings can be found at: www.ferc.gov/​docs-filing/​efiling/​filing-req.pdf. For other information, call (866) 208-3676 (toll free). For TTY, call (202) 502-8659.

For public inquiries and assistance with making filings such as interventions, comments, or requests for rehearing, contact the Office of Public Participation at (202) 502-6595 or OPP@ferc.gov.