Northern has scheduled the service outages that will affect operating capacity within the months of March 2023 through October 2023. 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.

Northern rescheduled station and pipeline maintenance. As a result, Northern has updated capacity impacts for Sunray High (Group 32) and Sunray Low (Group 10) for April 2023 through June 2023. Additionally, capacity impacts for Field to Demarc (Group 831) and Beatrice North (Group 832) have been updated April 2023 and July 2023.

Market/Field Area Combined

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

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

Project Description: Pipeline and station maintenance

Months: April 2023 through October 2023

Direction of Flow: Delivery

Capacity Impact: Northern does not anticipate primary firm service will be impacted.

Revision: Capacity impacts Field to Demarc (Group 831) and Beatrice North (Group 832) have been updated for April 2023 and July 2023

Field Area

Allocation Group(s)/Point(s): Sunray Low (Group 10), Sunray High (Group 32), and ETC Sunray Plant (POI 58676)

Location: Sunray, Texas compressor station

Project Description: Station maintenance

Months: April 2023 through June 2023

Direction of Flow:

        Receipt: Sunray Low (Group 10), ETC Sunray Plant (Point 58676), and Sunray High (Group 32)

Capacity Impact: Northern anticipates primary firm service will be impacted for Sunray Low (Group 10) and ETC Sunray Plant (POI 58676). Primary firm service will not be impacted for Sunray High (Group 32)

Revision: Capacity impacts have been updated for April 2023 through June 2023

Allocation Group(s)/Point(s): Vaquero Caymus Plant Pecos Co (POI 79303)

Location: Meter Station in Pecos County, Texas

Project Description: Station maintenance

Months: May 2022

Direction of Flow:

Receipt: Vaquero Caymus Plant Pecos Co (POI 79303)

Capacity Impact: Northern anticipates primary firm service will be impacted for Vaquero Caymus Plant Pecos Co (POI 79303).

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

Location: Spraberry, Texas compressor station

Project Description: Station maintenance

Months: April 2023 through June 2023

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 Station (Group 602), Spraberry 12-inch (Group 601), and Spraberry 16-inch (Group 1112)

Revision: Capacity impacts for Spraberry Station (Group 602) have been updated for June 2023

Allocation Group(s)/Point(s): Beaver C System (Group 31), Beaver C & Beaver North (Group 1080) Beaver North (Group 1025), Brownfield North (Group 1022), Pampa North (Group 1023), Mitchell to Gaines (Group 825), PEPL/NNG Mullinville (POI 173), ANR/NNG Greensburg (POI 179), and Seminole Subsystem (Group 598).

Location: Station maintenance at the Mullinville, Planview, Claude, and Pampa compressor stations located in Texas

Project Description: Pipeline and station maintenance

Months: April 2023 through June 2023

Direction of Flow:

Delivery: Beaver C & Beaver North (Group 1080), Beaver North (Group 1025), Brownfield North (Group 1022), Pampa North (Group 1023), and ANR/NNG Greensburg (POI 179)

Receipt: Beaver C System (Group 31), PEPL/NNG Mullinville (POI 173), Mitchell to Gaines (Group 825), and Seminole Subsystem (Group 598)

Capacity Impact: Northern anticipates primary firm service will be impacted for Brownfield North (Group 1022), PEPL/NNG Mullinville (POI 173), and Pampa North (Group 1023). Northern does not anticipate primary firm service will be impacted for Mitchell to Gaines (Group 825), Beaver North (Group 1025), and Beaver C & Beaver North (Group 1080). Primary firm service will not be impacted for, Beaver C System (Group 31), Seminole Subsystem (Group 598), and ANR/NNG Greensburg (POI 179)

Revision: Capacity impacts have been updated for April 2023 and June 2023

Allocation Group(s)/Point(s): Oasis Bakersfield Pecos Co (POI 79340)

Location: Meter Station in Pecos County, Texas

Project Description: Station maintenance

Months: June 2023

Direction of Flow:

Delivery: Oasis Bakersfield Pecos Co (POI 79340)

Capacity Impact: Northern anticipates primary firm service will be impacted for Oasis Bakersfield Pecos Co (POI 79340)

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.