Northern has scheduled the following service outages that will affect operating capacity within the months of August 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: August 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 September 2026.
Allocation Group(s)/Point(s): Viking/NNG Pierz ITE (POI 61667)
Location: Northern’s compressor station located in Pierz, Minnesota
Project Description: Compressor station maintenance
Month: September 2026
Direction of Flow:
Delivery: Viking/NNG Pierz ITE (POI 61667)
Receipt: Viking/NNG Pierz ITE (POI 61667)
Capacity Impact: Primary firm service will be impacted for Viking/NNG Pierz ITE (POI 61667).
Revision: Capacity impacts for Viking/NNG Pierz ITE (POI 61667) have been updated for September 2026.
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.
