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
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 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 and October 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 included for October 2026.
Field Area
Allocation Group(s)/Point(s): Seminole Subsystem (Group 598)
Location: Northern’s pipeline south of Seminole, Texas
Project Description: Pipeline maintenance
Month: October 2026
Direction of Flow:
Receipt: Seminole Subsystem (Group 598)
Capacity Impact: Northern does not anticipate primary firm service will be impacted for Seminole Subsystem (Group 598).
Revision: Capacity impacts for Seminole Subsystem (Group 598) have been returned to normal for September 2026. Capacity impacts for Seminole Subsystem (Group 598) have been included for October 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.