Northern has scheduled the service outages that will affect operating capacity within the months of June 2025 through October 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): 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: June 2025 through August 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), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488) have been updated for July 2025.
Field Area
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: June 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 July 2025 and 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.
If you have any questions, contact your customer service or marketing representative.
