REVISED: Planned Service Outage – Flow through Sullivan CS#2113

TSP: 006792451

TSP Name: Midwestern Gas Transmission Company

Posting Date/Time: 06/05/2026 15:18:40

Notice Identifier: 176

Notice Stat Desc: Supersede

Notice Type Desc: Planned Service Outage

Notice Category: Critical

Subject: REVISED: Planned Service Outage – Flow through Sullivan CS#2113

Notice Eff Date/Time: 06/23/2026 09:00:00

Notice End Date/Time: 07/16/2026 09:00:00

Critical Desc: Yes

Notice Scope: TSP SPECIFIC

Reqrd Rsp Desc: No

Response Date/Time:

Prior Notice Identifier: 1525

Notice Text:
Due to planned maintenance between the Sullivan Compressor Station (CS) #2113 and Petersburg CS #2110 Midwestern Gas Transmission Company (MGT) will decrease capacity beginning Gas Day, Tuesday, June 23, 2026, Timely Cycle. This capacity constraint is anticipated to be in effect through Gas Day, Wednesday, June 24, 2026.
Midwestern Gas Transmission Company (MGT) will again decrease capacity beginning Gas Day, Tuesday, July 14, 2026, Timely Cycle. This capacity constraint is anticipated to be in effect through Gas Day, Wednesday, July 15, 2026.

Phase 1:
6/23/2026 – 6/24/2026 North bound flow thru Sullivan CS #2113 will be reduced from 544,010dth to 0dth.
6/23/2026 – 6/24/2026 South bound flow thru Sullivan CS #2113 will be reduced from 671,722dth to 160,100dth.
******
6/25/26 – 7/13/26 North bound flow thru Sullivan CS #2113 will be restored to 544,010dth.
6/25/26 – 7/13/26 South bound flow thru Sullivan CS #2113will be restored to 671,722dth.
******
Phase 2:
7/14/2026 - 7/15/2026 North bound flow through Sullivan CS #2113 will be reduced from 544,010dth to 0dth.
7/14/2026 - 7/15/2026 South bound flow through Sullivan CS #2113 will be reduced from 671,722dth to 160,100dth.

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 ID: 171

Due to planned maintenance between the Sullivan Compressor Station (CS) #2113 and the 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, Wednesday, July 01, 2026. Midwestern Gas Transmission Company (MGT) will again decrease capacity beginning Gas Day, Tuesday, July 14, 2026, Timely Cycle. This capacity constraint is anticipated to be in effect through Gas Day, Wednesday, July 15, 2026.


Phase 1:

6/30/2026 thru 7/1/2026 North bound flow thru Sullivan CS #2113 will be reduced from 544,010dth to 0dth.

6/30/2026 thru 7/1/2026 South bound flow thru Potomac CS #2218 will be reduced from 540,371dth to 160,100dth.


7/2/2026 thru 7/13/2026 North bound flow thru Sullivan CS #2113 will be restored to 544,010dth.
7/2/2026 thru 7/13/2026 South bound flow thru Potomac CS #2218 will be restored to 540,371dth.


Phase 2:

7/14/2026 thru 7/15/2026 North bound flow thru Sullivan CS #2113 will be reduced from 544,010dth to 0dth.

7/14/2026 thru 7/15/2026 South bound flow thru Potomac CS #2218 will be reduced from 540,371dth to 160,100dth.


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.