Rockies Express Pipeline LLC; Notice of Amendment to Application and Establishing Intervention Deadline

<NOTICE> DEPARTMENT OF ENERGY <SUBAGY>Federal Energy Regulatory Commission</SUBAGY> <DEPDOC>[Docket Nos. CP25-94-000, CP25-94-001]</DEPDOC> <SUBJECT>Rockies Express Pipeline LLC; Notice of Amendment to Application and Establishing Intervention Deadline</SUBJECT> Take notice that on October 31, 2025, Rockies Express Pipeline LLC (REX), 11550 Ash Street, Suite 220, Leawood, Kansas 66211, filed an amendment to its application in Docket No. CP25-94-000, pursuant to section 7(c) of the Natural Gas Act (NGA), and Parts 157 and 284 of the Commission's regulations, requesting authorization to amend its proposed Decatur Lateral Project (Project) that was filed on February 28, 2025. Specifically, REX is amending the application to increase the project capacity from 181,000 dekatherms per day (Dth/d) to 194,400 Dth/d  <SU>1</SU> <FTREF/> due to a revision to the pressure-loss assumption. Also, REX is proposing three modifications to the Project scope and one change in land ownership, which results in an increase of approximately 2.2 acres to the overall Project footprint. The proposed Project amendment does not include any change to the proposed facilities, all as more fully set forth in the application, which is on file with the Commission and open for public inspection. <FTNT> <SU>1</SU>  REX states that the new capacity of approximately 13,000 Dth/d is fully subscribed by a Project shipper. </FTNT> 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> ). From the Commission'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 Commission'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> Any questions regarding the proposed project should be directed to Eryn Pullin, Manager, Regulatory Affairs, Tallgrass Energy, LP, 9 Greenway Plaza, Suite 1100, Houston, TX 77046, by phone at (713) 997-3932 or by email at <E T="03">eryn.pullin@tallgrass.com.</E> Pursuant to section 157.9 of the Commission's Rules of Practice and Procedure, <SU>2</SU> <FTREF/> within 90 days of this Notice the Commission staff will either: complete its environmental review and place it into the Commission's public record (eLibrary) for this proceeding; or issue a Notice of Schedule for Environmental Review. If a Notice of Schedule for Environmental Review is issued, it will indicate, among other milestones, the anticipated date for the Commission staff's issuance of the final environmental impact statement (FEIS) or environmental assessment (EA) for this proposal. The filing of an EA in the Commission's public record for this proceeding or the issuance of a Notice of Schedule for Environmental Review will serve to notify federal and state agencies of the timing for the completion of all necessary reviews, and the subsequent need to complete all federal authorizations within 90 days of the date of issuance of the Commission staff's FEIS or EA. <FTNT> <SU>2</SU>  18 CFR 157.9. </FTNT> <HD SOURCE="HD1">Public Participation</HD> There are three ways to become involved in the Commission's review of this project: you can file comments on the project, you can protest the filing, and you can file a motion to intervene in the proceeding. There is no fee or cost for filing comments or intervening. The deadline for filing a motion to intervene is 5:00 p.m. Eastern Time December 4, 2025. How to file protests, motions to intervene, and comments is explained below. For public inquiries and assistance with making filings such as interventions, comments, or requests for rehearing, the public is encouraged to contact the Office of Public Participation at (202) 502-6595 or <E T="03">OPP@ferc.gov.</E> <HD SOURCE="HD2">Comments</HD> Any person wishing to comment on the project may do so. Comments may include statements of support or objections, to the project as a whole or specific aspects of the project. The more specific your comments, the more useful they will be. <HD SOURCE="HD2">Protests</HD> Pursuant to sections 157.10(a)(4)  <SU>3</SU> <FTREF/> and 385.211  <SU>4</SU> <FTREF/> of the Commission's regulations under the NGA, any person  <SU>5</SU> <FTREF/> may file a protest to the application. Protests must comply with the requirements specified in section 385.2001  <SU>6</SU> <FTREF/> of the Commission's regulations. A protest may also serve as a motion to intervene so long as the protestor states it also seeks to be an intervenor. <FTNT> <SU>3</SU>  18 CFR 157.10(a)(4). </FTNT> <FTNT> <SU>4</SU>  18 CFR 385.211. </FTNT> <FTNT> <SU>5</SU>  Persons include individuals, organizations, businesses, municipalities, and other entities. 18 CFR 385.102(d). </FTNT> <FTNT> <SU>6</SU>  18 CFR 385.2001. </FTNT> To ensure that your comments or protests are timely and properly recorded, please submit your comments on or before December 4, 2025. There are three methods you can use to submit your comments or protests to the Commission. In all instances, please reference the Project docket numbers CP25-94-000 and CP25-94-001 in your submission. (1) You may file your comments electronically by using the eComment feature, which is located on the Commission's website at <E T="03">www.ferc.gov</E> under the link to Documents and Filings. Using eComment is an easy method for interested persons to submit brief, text-only comments on a project; (2) You may file your comments or protests electronically by using the eFiling feature, which is located on the Commission's website ( <E T="03">www.ferc.gov</E> ) under the link to Documents and Filings. With eFiling, you can provide comments in a variety of formats by attaching them as a file with your submission. New eFiling users must first create an account by clicking on “eRegister.” You will be asked to select the type of filing you are making; first select “General” and then select “Comment on a Filing”; or (3) You can file a paper copy of your comments or protests by mailing them to the following address below. Your written comments must reference the Project docket numbers (CP25-94-000 and CP25-94-001). <E T="03">To file via USPS:</E> Debbie-Anne A. Reese, Secretary, Federal Energy Regulatory Commission, 888 First Street NE, Washington, DC 20426. <E T="03">To file via any other courier:</E> Debbie-Anne A. Reese, Secretary, Federal Energy Regulatory Commission, 12225 Wilkins Avenue, Rockville, Maryland 20852. The Commission encourages electronic filing of comments (options 1 and 2 above) and has eFiling staff available to assist you at (202) 502-8258 or <E T="03">FercOnlineSupport@ferc.gov.</E> Persons who comment on the environmental review of this project will be placed on the Commission's environmental mailing list, and will receive notification when the environmental documents (EA or EIS) are issued for this project and will be notified of meetings associated with the Commission's environmental review process. The Commission considers all comments received about the project in determining the appropriate action to be taken. However, the filing of a comment alone will not serve to make the filer a party to the proceeding. To become a party, you must intervene in the proceeding. For instructions on how to intervene, see below. <HD SOURCE="HD2">Interventions</HD> Any person, which includes individuals, organizations, businesses, municipalities, and other entities, <SU>7</SU> <FTREF/> has the option to file a motion to intervene in this proceeding. Only intervenors have the right to request rehearing of Commission orders issued in this proceeding and to subsequently challenge the Commission's orders in the U.S. Circuit Courts of Appeal. <FTNT> <SU>7</SU>  18 CFR 385.102(d). </FTNT> To intervene, you must submit a motion to intervene to the Commission in accordance with Rule 214 of the Commission's Rules of Practice and Procedure  <SU>8</SU> <FTREF/> and the regulations under the NGA  <SU>9</SU> <FTREF/> by the intervention deadline for the project, which is December 4, 2025. As described further in Rule 214, your motion to intervene must state, to the extent known, your position regarding the proceeding, as well as your interest in the proceeding. For an individual, this could include your status as a landowner, ratepayer, resident of an impacted community, or recreationist. You do not need to have property directly impacted by the project in order to intervene. For more information about motions to intervene, refer to the FERC website at <E T="03">https://www.ferc.gov/resources/guides/how-to/intervene.asp.</E> <FTNT> <SU>8</SU>  18 CFR 385.214. </FTNT> <FTNT> <SU>9</SU>  18 CFR 157.10. </FTNT> There are two ways to submit your motion to intervene. In both instances, please reference the Project docket numbers CP25-94-000 and CP25-94-001 in your submission. (1) You may file your motion to intervene by using the Commission's eFiling feature, which is located on the Commission's website ( <E T="03">www.ferc.gov</E> ) under the link to Documents and Filings. 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