Northern has scheduled the service outages that will affect operating capacity within the months of July 2025 through November 2025. Please review the Planned Service Outage Summary for detailed information related to each outage.

A brief description of the most recent change(s) to the Planned Service Outage Summary follows.

Market Area

Allocation Group(s)/Point(s): Ventura South (Group 735)

Location: Northern’s pipelines and compressor stations between Ogden, Iowa, and Farmington, Minnesota 

Project Description: Pipeline and compressor station maintenance

Month: July 2025 through November 2025

Direction of Flow:

        Delivery: Ventura South (Group 735)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Ventura South (Group 735)

Revision: Capacity impacts for Ventura South (Group 735) have been updated for August 2025 through September 2025.

Allocation Group(s)/Point(s): Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488)

Location: Northern’s pipelines and compressor stations between Waterloo, Iowa, and Belleville, Wisconsin

Project Description: Pipeline and compressor station maintenance

Month: July 2025 through September 2025

Direction of Flow:

Delivery: Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Waterloo East (Group 773), Galena East (Group 463) and Earlville East (Group 487). Primary firm service will not be impacted for Belleville East (Group 488).

Revision: Capacity impacts for Waterloo East (Group 773) have been updated for August 2025 and included for September 2025. Earlville East (Group 487) and Galena East (Group 463) have been included for September 2025.  

Market/Field Area Combined

Allocation Group(s)/Point(s): Field to Demarc (Group 831) and Beatrice North (Group 832)

Location: Northern’s mainlines and compressor stations between Mullinville, Kansas, and Ogden, Iowa

Project Description: Pipeline and compressor station maintenance

Month: July 2025 through October 2025

Direction of Flow:

Delivery: Field to Demarc (Group 831) and Beatrice North (Group 832)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Beatrice North (Group 832) and Field to Demarc (Group 831).

Revision: Capacity impacts for Field to Demarc (Group 831) and Beatrice North (Group 832) have been updated for August 2025 and September 2025.

Field Area

Allocation Group(s)/Point(s): Beaver North (Group 1025), Beaver C and Beaver North (Group 1080), Brownfield North (Group 1022), Pampa North (Group 1023) and Beaver C System (Group 31)

Location: Northern’s compressor stations and mainline between Florey, Texas, and Mullinville, Kansas

Project Description: Station and pipeline maintenance

Month: July 2025 through November 2025

Direction of Flow:

       Receipt: Beaver C System (Group 31)

Delivery: Beaver North (Group 1025), Beaver C and Beaver North (Group 1080), Brownfield North (Group 1022) and Pampa North (Group 1023)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Beaver C and Beaver North (Group 1080), Brownfield North (Group 1022) and Pampa North (Group 1023). Primary firm service will not be impacted for Beaver North (Group 1025) and Beaver C System (Group 31).

Revision: Capacity impacts for Beaver North (Group 1025), Beaver C and Beaver North (Group 1080), Brownfield North (Group 1022), Pampa North (Group 1023) and Beaver C System (Group 31) have been included for September 2025 through November 2025. Northern does not anticipate primary firm service will be impacted for Pampa North (Group 1023) for July.

Allocation Group(s)/Point(s): Sunray High (Group 32) and Sunray Low (Group 10)

Location: Northern’s compressor station in Sunray, Texas

Project Description: Compressor station maintenance

Months: July 2025 through September 2025

Direction of Flow:

Receipt: Sunray High (Group 32) and Sunray Low (Group 10)

Capacity Impact: Primary firm service will not be impacted for Sunray High (Group 32) and Sunray Low (Group 10).

Revision: Capacity impacts for Sunray High (Group 32) and Sunray Low (Group 10) have been updated for September 2025.

Allocation Group(s)/Point(s): Spraberry 12-inch (Group 601), Spraberry 16-inch (Group 1112) and Spraberry Station (Group 602)

Location: Northern’s compressor station in Midland, Texas

Project Description: Station maintenance

Month: July 2025 and August 2025

Direction of Flow:

        Delivery: Spraberry 12-inch (Group 601) and Spraberry 16-inch (Group 1112)

       Receipt: Spraberry Station (Group 602)

Capacity Impact: Northern anticipates primary firm service will be impacted for Spraberry 12-inch (Group 601), Spraberry 16-inch (Group 1112) and Spraberry Station (Group 602).

Revision: Capacity impacts for Spraberry Station (Group 602) have been included for September 2025.

Please see Operationally Available Capacity on Northern’s website for current flow information and the Field Area Group Allocation Maps and  Market Area Group Allocation Maps for a list of impacted points.