Northern has scheduled the following service outages that will affect operating capacity within the months of September 2026 through November 2026. 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 Ventura, Iowa, and Ogden, Iowa
Project Description: Compressor station and pipeline maintenance
Month: September 2026 through November 2026
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 included for October 2026 and November 2026.
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, Iowa
Project Description: Compressor station and pipeline maintenance
Month: September 2026 through October 2026
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) and Earlville East (Group 487). Primary firm service will not be impacted for Galena East (Group 463) and Belleville East (Group 488).
Revision: Capacity impacts for Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488) have been updated for October 2026.
Field Area
Allocation Group(s)/Point(s): Sunray Low (Group 10), Sunray High (Group 32) and ETC Sunray Plant (POI 58676)
Location: Northern’s compressor station in Sunray, Texas
Project Description: Compressor station and pipeline maintenance
Month: September 2026 through November 2026
Direction of Flow:
Receipt: Sunray Low (Group 10), Sunray High (Group 32) and ETC Sunray Plant (POI 58676)
Capacity Impact: 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 for Sunray Low (Group 10) and Sunray High (Group 32) have been updated for October 2026. Capacity impacts for Sunray Low (Group 10) and Sunray High (Group 32) have been included for November 2026.
Allocation Group(s)/Point(s): Mitchell to Gaines (Group 825)
Location: Northern’s pipeline between Florey, Texas, and Seminole, Texas
Project Description: Pipeline maintenance
Month: October 2026
Direction of Flow:
Receipt: Mitchell to Gaines (Group 825)
Capacity Impact: Primary firm service will be impacted for Mitchell to Gaines (Group 825).
Allocation Group(s)/Point(s): Enable Custer (BI) (POI 1907)
Location: Northern’s pipeline in Enable, Oklahoma
Project Description: Pipeline maintenance
Month: October 2026
Direction of Flow:
Receipt: Enable Custer (BI) (POI 1907)
Capacity Impact: Primary firm service will not be impacted for Enable Custer (BI) (POI 1907).
Revision: Capacity impacts for Enable Custer (BI) (POI 1907) have been removed for October 2026.
Allocation Group(s)/Point(s): Spraberry 12-inch (Group 601) and Spraberry Station (Group 602).
Location: Northern’s compressor station in Spraberry, Texas
Project Description: Compressor station maintenance
Month: September 2026 through November 2026
Direction of Flow:
Delivery: Spraberry 12-inch (Group 601)
Receipt: Spraberry Station (Group 602)
Capacity Impact: Northern does not anticipate primary firm service will be impacted for Spraberry Station (Group 602). Primary firm service will not be impacted for Spraberry 12-inch (Group 601).
Revision: Capacity impacts for Spraberry Station (Group 602) have been included for November 2026.
Allocation Group(s)/Point(s): 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
Month: November 2026
Direction of Flow:
Delivery: El Paso/NNG Waha (POI 57100), Permian Highway Waha (POI 79489), GCX/NNG Waha (POI 79415), OneOK Westex Reeves (POI 152), Oasis/NNG Waha (POI 62148) and Trans Pecos Hub (POI 79311)
Capacity Impact: Primary firm service will be impacted for Permian Highway Waha (POI 79489), OneOK Westex Reeves (POI 152) and Trans Pecos Hub (POI 79311). Northern does not anticipate primary firm service will be impacted for El Paso/NNG Waha (POI 57100), GCX/NNG Waha (POI 79415) and Oasis/NNG Waha (POI 62148).
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.
If you have any questions, contact your customer service or marketing representative.