REVISED: Planned Service Outage: Channahon Meter Location to Potomac CS#2118

TSP: 006792451

TSP Name: Midwestern Gas Transmission Company

Posting Date/Time: 06/16/2026 11:27:00

Notice Identifier: 188

Notice Stat Desc: Supersede

Notice Type Desc: Planned Service Outage

Notice Category: Critical

Subject: REVISED: Planned Service Outage: Channahon Meter Location to Potomac CS#2118

Notice Eff Date/Time: 06/30/2026 09:00:00

Notice End Date/Time: 07/09/2026 09:00:00

Critical Desc: Yes

Notice Scope: TSP SPECIFIC

Reqrd Rsp Desc: No

Response Date/Time:

Prior Notice Identifier: 1527

Notice Text:
Due to planned maintenance between the Potomac Compressor Station (CS) #2118 and Channahon Midwestern Gas Transmission Company (MGT) will decrease capacity beginning Gas Day, Tuesday, June 30, 2026, Timely Cycle. This capacity constraint is anticipated to be in effect through Gas Day, Thursday, July 2, 2026.
Midwestern Gas Transmission Company (MGT) will again decrease capacity beginning Gas Day, Tuesday, July 7, 2026, Timely Cycle. This capacity constraint is anticipated to be in effect through Gas Day, Wednesday, July 8, 2026.

Phase 1:
6/30/2026 – 7/2/2026 North bound flow thru Potomac CS #2118 will be reduced from 738,596 dth to 0 dth.
6/30/2026 – 7/2/2026 Channahon delivery will be reduced from 199,500 dth to 0 dth.
6/30/2026 - 7/2/2026 Millsdale delivery will be reduced from 600,000 dth to 0 dth.
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7/3/2026 – 7/6/2026 North bound flow thru Potomac CS #2118 will be restored to 738,596 dth.
7/3/2026 – 7/6/2026 Channahon delivery will be restored to 199,500 dth.
7/3/2026 - 7/6/2026 Millsdale delivery will be restored to 600,000 dth.
******
Phase 2:
7/7/2026 – 7/8/2026 North bound flow thru Potomac CS #2118 will be reduced from 738,596 dth to 0 dth.
7/7/2026 – 7/8/2026 Channahon delivery will be reduced from 199,500 dth to 0 dth.
7/7/2026 - 7/8/2026 Millsdale delivery will be reduced from 600,000 dth to 0 dth.

MGT does anticipate an impact to firm transportation services.  Demand charge credits will be applied pursuant to MGT's FERC Gas Tariff, General Terms and Conditions, Section 37.
Please contact your Commercial or Customer Service representative with questions.


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Prior Notice 175

Due to planned maintenance at Channahon to Potomac Compressor Station (CS)#2118, Midwestern Gas Transmission Company (MGT) will decrease capacity beginning Gas Day, Tuesday, June 30, 2026, Timely Cycle. This capacity constraint is anticipated to be in effect through Gas Day, Thursday, July 2, 2026.

North bound Flow Thru Potomac CS #2118 Receipt capacity will be reduced from 738,596 Dth to 0 Dth.
Millsdale Delivery capacity will be reduced from 600,000 Dth to 0 Dth.
Channahon Delivery Capacity will be reduced from 199,500 Dth to 0 Dth.

Receipts will be available through the Millsdale, Channahon, Alliance, and Herscher NGPL meters on 6/30/2026 through 7/2/2026.

MGT does anticipate an impact to firm transportation services.  Demand charge credits will be applied pursuant to MGT's FERC Gas Tariff, General Terms and Conditions, Section 37.  

Please contact your Commercial or Scheduling representative with any questions.