Northern has scheduled the service outages that will affect operating capacity within the months of August 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/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: August 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 September 2025 and October 2025.
Field Area
Allocation Group(s)/Point(s): Beaver North (Group 1025), Beaver C & Beaver North (Group 1080), Brownfield North (Group 1022), Pampa North (Group 1023), Beaver C System (Group 31) and Mitchell to Gaines (Group 825)
Location: Northern’s compressor stations and mainline between Florey, Texas, and Mullinville, Kansas
Project Description: Station and pipeline maintenance
Month: August 2025 through November 2025
Direction of Flow:
Receipt: Beaver C System (Group 31) and Mitchell to Gaines (Group 825)
Delivery: Beaver North (Group 1025), Beaver C & Beaver North (Group 1080), Brownfield North (Group 1022) and Pampa North (Group 1023)
Capacity Impact: Northern anticipates primary firm service will be impacted for Mitchell to Gaines (Group 825). Northern does not anticipate primary firm service will be impacted for Beaver C & 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) have been updated for October 2025.
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: September 2025 and October 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 included for October 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: August 2025 through November 2025
Direction of Flow:
Delivery: Spraberry 12-inch (Group 601) and Spraberry 16-inch (Group 1112)
Receipt: Spraberry Station (Group 602)
Capacity Impact: Northern does not anticipate primary firm service will be impacted for Spraberry 12-inch (Group 601). Primary firm service will not be impacted for Spraberry Station (Group 602) and Spraberry 16-inch (Group 1112).
Revision: Capacity impacts for Spraberry Station (Group 602) have been removed for August and September 2025 and included for October 2025. Capacity impacts for Spraberry 12-inch have been included for August 2025 through November 2025. Capacity impacts for Spraberry 16-inch have been included for September 2025 through November 2025.
Allocation Group(s)/Point(s): ANR/NNG Greensburg (POI 179) and PEPL/NNG Mullinville (POI 173)
Location: Northern’s mainline and compressor station between Mullinville, Kansas, and Macksville, Kansas
Project Description: Station maintenance
Month: August 2025 through October 2025
Direction of Flow:
Delivery: ANR/NNG Greensburg (POI 179)
Receipt: PEPL/NNG Mullinville (POI 173)
Capacity Impact: Northern anticipates primary firm service will be impacted for PEPL/NNG Mullinville (POI 173). Primary firm service will not be impacted for ANR/NNG Greensburg (POI 179).
Revision: Capacity impacts for ANR/NNG Greensburg (POI 179) and PEPL/NNG Mullinville (POI 173) have been included for October 2025.
Allocation Group(s)/Point(s): Seminole Subsystem (Group 598), El Paso/NNG Waha (POI 57100), Permian Highway Waha (POI 79489), GCX/NNG Waha (POI 79415), Oasis/NNG Waha (POI 62148), Trans Pecos Hub (POI 79311) and Oneok Westex Reeves (POI 152)
Location: Northern’s pipeline south of Kermit, Texas
Project Description: Pipeline maintenance
Months: August 2025 and October 2025
Direction of Flow:
Delivery: Seminole Subsystem (Group 598), El Paso/NNG Waha (POI 57100), Permian Highway Waha (POI 79489), GCX/NNG Waha (POI 79415), Oasis/NNG Waha (POI 62148), Trans Pecos Hub (POI 79311) and Oneok Westex Reeves (POI 152)
Capacity Impact: Primary firm service will be impacted for El Paso/NNG Waha (POI 57100), Permian Highway Waha (POI 79489), GCX/NNG Waha (POI 79415) and Oasis/NNG Waha (POI 62148). Primary firm service will not be impacted for Seminole Subsystem (Group 598), Trans Pecos Hub (POI 79311) and Oneok Westex Reeves (POI 152).
Revision: Capacity impacts for Seminole Subsystem (Group 598), El Paso/NNG Waha (POI 57100), Permian Highway Waha (POI 79489), GCX/NNG Waha (POI 79415), Oasis/NNG Waha (POI 62148), Trans Pecos Hub (POI 79311) and Oneok Westex Reeves (POI 152) have been included for October 2025.
Allocation Group(s)/Point(s): Pinnacle/NNG Lea TBS Group (Group 765)
Location: Northern’s mainline between Hobbs, New Mexico, and Plains, Texas
Project Description: Pipeline maintenance
Month: October 2025
Direction of Flow:
Delivery: Pinnacle/NNG Lea TBS Group (Group 765)
Capacity Impact: Primary firm service will not be impacted for Pinnacle/NNG Lea TBS Group (Group 765).
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 Mapsfor a list of impacted points.
If you have any questions, contact your customer service or marketing representative.