Combined Notice of Filings

Take notice that the Commission received the following Natural Gas Pipeline Rate and Refund Report filings:

Filings Instituting Proceedings

Docket Numbers: PR27-4-000.

Applicants: Aethon United Pipeline LP.

Description: § 284.123(g) Rate Filing: Normal filing 2026 Diamond Resources United Pipeline to be effective 10/21/2026.

Filed Date: 10/21/26.

Accession Number: 20261021-5113.

Comment Date: 5 p.m. ET 11/10/26.

§ 284.123(g) Protest: 5 p.m. ET 12/21/26.

Docket Numbers: RP26-864-000.

Applicants: Calpine Energy Services, L.P., Calpine Bethlehem, LLC, First State Generation, LLC, Calpine Mid Merit, LLC, Pathfinder Power, LLC.

Description: Joint Request of Calpine Energy Services, L.P., et al. for Extension of Limited Waiver et al.

Filed Date: 10/16/26.

Accession Number: 20261016-5181.

Comment Date: 5 p.m. ET 10/28/26.

Docket Numbers: RP27-55-000,

Applicants: Millennium Pipeline Company, LLC.

Description: § 4(d) Rate Filing: Negotiated Rate Agreements Eff 11.1.26 to be effective 11/1/2026.

Filed Date: 10/22/26.

Accession Number: 20261022-5063.

Comment Date: 5 p.m. ET 11/3/26.

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.

Filings in Existing Proceedings

Docket Numbers: RP26-1150-000.

Applicants: Southern Natural Gas Company, L.L.C.

Description: Report Filing: SNG NAESB Supplemental Filing to be effective N/A.

Filed Date: 10/22/26.

Accession Number: 20261022-5032.

Comment Date: 5 p.m. ET 11/3/26.

Docket Numbers: RP26-1151-000.

Applicants: Midcontinent Express Pipeline LLC. ( printed page 67565)

Description: Report Filing: MEP NAESB Supplemental Filing to be effective N/A.

Filed Date: 10/22/26.

Accession Number: 20261022-5027.

Comment Date: 5 p.m. ET 11/3/26.

Docket Numbers: RP26-1154-000.

Applicants: Elba Express Company, L.L.C.

Description: Report Filing: EEC NAESB Supplemental Filing to be effective N/A.

Filed Date: 10/22/26.

Accession Number: 20261022-5022.

Comment Date: 5 p.m. ET 11/3/26.

Docket Numbers: RP26-1155-000.

Applicants: Southern LNG Company, L.L.C.

Description: Report Filing: SLNG NAESB Supplemental Filing to be effective N/A.

Filed Date: 10/22/26.

Accession Number: 20261022-5023.

Comment Date: 5 p.m. ET 11/3/26.

Docket Numbers: RP26-1236-001.

Applicants: Double E Pipeline, LLC.

Description: Compliance filing: Amendment to Order No. 587-AB Compliance Filing (RP26-1236-) to be effective 1/1/2027.

Filed Date: 10/21/26.

Accession Number: 20261021-5093.

Comment Date: 5 p.m. ET 11/2/26.

Any person desiring to protest in any of the above proceedings must file in accordance with Rule 211 of the Commission's Regulations (18 CFR 385.211) on or before 5:00 p.m. Eastern time on the specified comment date.

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

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.