Notice Details

TSP Name

Great Lakes Gas Transmission Limited Partnership

Notice ID

1075

TSP

046077343

Notice Eff Date:

08/13/2025

Posting Date/Time:

08/13/2025 11:05

Notice End Date:

11/01/2025

Critical:

Yes

Notice Eff Time:

11:05

Notice Type:

Plnd Outage

Notice End Time:

08:59

Notice Status:

Supersede

Required Response:

No response required

Prior Notice ID:

1067

Response Date/Time:

Subject

MAINTENANCE SCHEDULE for Great Lakes Gas Transmission (Posted: 8/13/25)

Message Text

Great Lakes Gas Transmission Maintenance Schedule has been updated.

 

Please refer to the maintenance schedule for the projected capacity impacts. Updated items are as follows:  

• Date Change – Sta 9 to Sta 10 EMAT Tool Run (100-line) from previous date of 8/18 to new date of 8/15

• Extended – Deer River Unit 402 Gas Compressor Overhaul from a previous end date of 8/15 to new end date of 8/22

• Capacity Adjustment – Deer River Unit 402 Gas Compressor overhaul from previous 1,405 MMcf/d to 1,360 MMcf/d Emerson Eastbound

• Extended – Shevlin Station 3 TSA Required Automation Upgrade/Panel Replacement from a previous end date of 9/5 to a new end date of 9/12

• Add – Deer River Unit 401 Lube Oil Pump Replacement on 8/25 – 8/30

• Extended – Wakefield Station 7 TSA Required Automation Upgrade/Panel Replacement from a previous end date of 9/26 to a new end date of 10/10

• Add – Sta 5 to Sta 6 Cleaning Tool Run on 9/3

• Add – Sta 5 to Sta 6 EMAT Tool Run on 9/4

• Date Change – Iron River Station 6 Valve Replacements from previous date of 10/2 through 10/24 to new dates of 10/12 through 10/24

 

Please refer to the EBB for any additional impacts.

 

Please direct any questions to your Account Coordinator, Customer Service Representative, or the Nominations and Scheduling hotline @ 866-454-7572.