Planned Service Outage - ANR 3 Mile Interconnect Tie-In

TSP: 031752897

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

Posting Date/Time: 08/24/2026 13:12:17

Notice Identifier: 156

Notice Stat Desc: Initiate

Notice Type Desc: Planned Service Outage

Notice Category: Critical

Subject: Planned Service Outage - ANR 3 Mile Interconnect Tie-In

Notice Eff Date/Time: 09/30/2026 09:00:00

Notice End Date/Time: 10/03/2026 09:00:00

Critical Desc: Yes

Notice Scope: TSP SPECIFIC

Reqrd Rsp Desc: No

Response Date/Time:

Prior Notice Identifier:

Notice Text:
Due to planned maintenance on Guardian Pipeline, L.L.C, (GPL) 3-mile lateral, multiple Receipt and Delivery locations will experience an interruption to flow. GPL will reduce capacity at the following locations:

Joliet Alliance Receipt Capacity will be reduced to 0 Dth.
Joliet Vector Receipt and Delivery Capacity will be reduced to 0 Dth.
Joliet ANR Receipt and Delivery Capacity will be reduced to 0 Dth.
Joliet Peoples Receipt and Delivery Capacity will be reduced to 0 Dth.
Receipts into Guardian’s mainline will be available through Northern Border (Joliet NBPL) and Midwestern Gas Transmission (Joliet MGT) only.

These capacity reductions begin Gas Day Wednesday, September 30, 2026, Timely Cycle and are anticipated to be in effect through Gas Day Friday, October 2, 2026.

GPL anticipates an impact to Firm Transportation services. Reservation rate credits will be applied pursuant to GPL's FERC Gas Tariff, General Terms and Conditions, Section 40.

Please contact DT Midstream with any questions.
Commercial Representative: IPLCommercial@DTMidstream.com
IPL Customer Service & Nominations Hotline (866) 707-7833
Email: InterstateScheduling@DTMidstream.com
ICE Chat: DTM_IPL_Nominations