Kosciusko Junction Pipeline Project

Introduction

On September 25, 2025 FERC staff accepted Gulf South Pipeline Company, LLC’s, and Texas Gas Transmission, LLC’s application for the Kosciusko Junction Pipeline Project into the formal Certificate Proceeding (CP) phase under FERC’s review process. More information can be found in FERC Docket No. CP25-547-000 and CP25-549-000 in FERC’s eLibrary. Please note that the project has not been approved at this time.

Kosciusko Junction Pipeline Project Route and Description 

As described by the Applicants, the planned Project is a pipeline and compressor station construction project. 

The Project entails constructing: 

• Approximately 102 miles of new 36-inch pipe from Attala to Clarke Counties, MS 

• Approximately 8 miles of new 36-inch pipe in Humphreys & Sunflower Counties, MS 

• One new Kosci Compressor Station in Attala County, MS 

• One new Holmes Compressor Station in Holmes County, MS 

• Modifications to the company’s existing Greenville Compressor Station in Washington County, MS and Isola Compressor Station in Humphreys County, MS 

On February 7, 2025, the Applicants submitted this Project map to the docket. To view and download this map, please visit FERC's eLibrary and search Docket No. PF25-6-000.

Schedule for Environmental Review 

More Information and Staying Updated 

You may learn more about the Project through FERC’s eLibrary. When searching for the Project, please enter Docket No. CP25-547-000 in the “Enter Docket Number” text box. FERC’s Office of Public Participation provides an educational video and demonstration on using eLibrary: WorkshOPP and Demonstration: FERC’s eLibrary.  

Stay Informed:

Follow OPP on its social media channels:  

• X  
• Facebook 
• LinkedIn 
• Instagram 
• Bluesky 

OPP regularly sends announcements about upcoming participation opportunities and meetings with interested stakeholders and organizations via its social media channels.  

You may also sign up for FERC’s eSubscription service. eSubscription notifies you via email about submittals and issuances on the project. Please visit www.ferc.gov/esubscription.

You are also encouraged to contact OPP staff to learn more about the Project and participation at FERC by email at [email protected] or phone at 202-502-6595. All media inquiries should be directed to [email protected].

Resources 

Guides on Public Participation  

• Step-by-step guide on how to file a comment  

• Step-by-step guide on how to eSubscribe

• Step-by-step guide on how to intervene  

Educational Videos  

• Learn to eFile, eComment, and eSubscribe  

• How to File an Intervention Using FERC’s Online System  

• Filing Comments Workshop and Demonstration 

• Submitting Powerful Comments Workshop 

Tips on Public Participation  

• How to Submit Effective Comments  

• Powerful Comments  

• Filing an Intervention 

Informational Handouts  

• About FERC  

• Natural Gas Pre-filing Open Houses: Public Participation and What to Expect 

• Natural Gas Scoping Sessions: Public Participation and What to Expect 

Background 

• February 7, 2025: Gulf South Pipeline Company, LLC, and Texas Gas Transmission, LLC, files a request to initiate the Pre-filing Process with FERC 
• February 27, 2025: FERC approves the Applicants request to begin the Pre-Filing review for the Kosciusko Junction Pipeline Project 
• May 7, 2025: FERC issues a Notice of Scoping Period
• September 25, 2025: FERC publishes a Notice of Application in the project docket, establishing the deadline for filing motions to intervene 
• October 16, 2025: FERC deadline for requested public comments on the scope of issues to address in the environmental document.

• October 31, 2025: Gulf South Pipeline Company, LLC and Texas Gas Transmission, LLC submitted responses to comments filed by various parties regarding the Kosciusko Junction Pipeline Project (Docket No. CP25-547). The filings are available in FERC’s eLibrary under the project docket number.

• April 1, 2026: FERC issues Draft Environmental Impact Statement for the Kosciusko Junction Pipeline Project 

• April 2026: FERC held three Draft EIS public comment sessions in the potentially affected areas.

• May 26, 2026: The deadline to submit comments for the draft Environmental Impact Statement (EIS)  

Office of Public Participation's Outreach Corner

The Office of Public Participation (OPP) is authorized to support public participation in FERC proceedings pursuant to Section 319 of the Federal Power Act. OPP coordinates with and provides assistance to members of the public as to participation in, and understanding of, FERC proceedings. OPP provides outreach to community groups, community members, landowners and other interested parties potentially impacted by infrastructure projects.

OPP outreach conducted for the Kosciusko Junction Pipeline Project (Docket No. PF25-6-000) included:

• On January and March 2025, potentially affected landowners and interested stakeholders were notified via email and the U.S. Postal Service about the open house and scoping session for the CP2 LNG and CP Express Pipeline Projects. The messages provided information on how to participate in the environmental review process, including details about the open house events and opportunities to submit scoping comments.
• OPP Outreach Specialists attended the Open Houses and Scoping Sessions in the potentially affected areas in the Spring of 2025.
• Coordinated social media campaign in Spring 2025 to notify interested constituents of the environmental review process, events, and associated deadlines on social media outlets Facebook, Instagram, and X.
• Spring 2026: OPP conducted expanded outreach for the draft Environmental Impact Statement deadline, including postal mailers, emails, and community and constituent meetings.

How to Contact