Department of Energy
Federal Energy Regulatory Commission
Take notice that the Commission received the following Natural Gas Pipeline Rate and Refund Report filings:
Filings in Existing Proceedings
Docket Numbers: RP26-1101-001.
Applicants: MountainWest Pipeline, LLC.
Description: Compliance filing: Amended NAESB 4.0 Compliance Filing to be effective 1/1/2027.
Filed Date: 9/9/26.
Accession Number: 20260909-5173.
Comment Date: 5 p.m. ET 9/21/26.
Docket Numbers: RP26-1102-001.
Applicants: MountainWest Overthrust Pipeline, LLC.
Description: Compliance filing: Amended NAESB 4.0 Order 587-AB Compliance Filing to be effective 1/1/2027.
Filed Date: 9/9/26.
Accession Number: 20260909-5177.
Comment Date: 5 p.m. ET 9/21/26.
Any person desiring to protest in any 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.
Dated: September 10, 2026.
Carlos D. Clay,
Deputy Secretary.