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): 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) and Earlville East (Group 487) have been updated for September 2026.
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 pipeline between Florey, Texas, and Mullinville, Kansas
Project Description: Compressor station and pipeline maintenance
Month: September 2026
Direction of Flow:
Delivery: Beaver North (Group 1025), Beaver C & Beaver North (Group 1080), Brownfield North (Group 1022) and Pampa North (Group 1023)
Receipt: Beaver C System (Group 31) and Mitchell to Gaines (Group 825)
Capacity Impact: Primary firm service will be impacted for Brownfield North (Group 1022) and Mitchell to Gaines (Group 825). Northern does not anticipate primary firm service will be impacted for Beaver C and Beaver System North (Group 1080) 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 C & Beaver North (Group 1080), Brownfield North (Group 1022), Pampa North (Group 1023) and Beaver C System (Group 31) have been updated for September 2026.
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 October 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 September 2026. Capacity impacts for Sunray Low (Group 10) and Sunray High (Group 32) have been included 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 October 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 12-inch (Group 601) and Spraberry Station (Group 602) have been included for October 2026.
Allocation Group(s)/Point(s): Targa Driver Plant (POI 79099)
Location: Northern’s pipeline in Midland, Texas
Project Description: Pipeline maintenance
Month: October 2026
Direction of Flow:
Receipt: Targa Driver Plant (POI 79099)
Capacity Impact: Primary firm service will be impacted for Targa Driver Plant (POI 79099).
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.