Beginning November 17, 2025, for transacting Gas Day 12/1/2025 business, Guardian's newly implemented Customer Activities and Informational Postings site can be located at https://dtmidstream.trellisenergy.com/ptms/home/infopost/GPL. Data and reports needed for Gas Day 12/1/2025 business going forward should utilize this new site. Pursuant to FERC-required historical access to interstate pipeline information, reports for the ninety (90) Gas Days prior to 12/1/2025 will remain available on this URL until March 1, 2026.

Informational Postings

Request To Purchase Releasable Capacity

11/24/2025

Note:

Details for these requests are available through our company's Electronic Bulletin Board (EBB) > Capacity Release > Requests. If you do not have access to the EBB, you may enter as a guest with a Citrix account. Access to the EBB is available under the Customer Activity Site in the header of this website. Please contact us at InterstateScheduling@DTMidstream.com if you have additional questions.

TSP Name:Guardian Pipeline, L.L.C.

TSP:03-175-2897