Northern has scheduled the service outages that will affect operating capacity within the months of May 2021 through October 2021. 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
Ogden North
Allocation Group(s)/Point(s): Viking/NNG Pierz Interconnect (POI 61667)
Location: Northern’s Pierz, Minnesota compressor station
Project Description: Station maintenance at the Pierz, Minnesota compressor station
Note: Northern will be conducting station maintenance at the Pierz, Minnesota compressor station, which will affect capacity during May 2021 through August 2021. During this time, the operating capacity of the point will be zero; however, Northern will schedule primary volumes at Viking/NNG Pierz ITE (POI 61667) to the extent that available capacity exists for Northern to physically flow receipt and delivery volumes at Viking Chisago/Isanti (POI 196) or Viking/NNG Polk ITE (POI 62983). Primary volumes at Viking/NNG Pierz ITE (POI 61667) will be scheduled prior to alternate volumes at Viking Chisago/Isanti (POI 196) or Viking/NNG Polk ITE (POI 62983).
Months: July 2021 through September 2021
Direction of Flow: Receipt and delivery
Capacity Impact: Northern does not anticipate primary firm service will be impacted.
Revision: Capacity impacts have been removed for June 2021 and early July 2021.
East Leg
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 mainlines between the Ogden, Iowa compressor station and the Bluff Creek, Wisconsin delivery station
Project Description: Pipeline maintenance
Months: May 2021 through August 2021
Direction of Flow: Delivery
Capacity Impact: Northern does not anticipate primary firm service will be impacted.
Revision: Capacity impacts have been updated for Waterloo East (Group 773) and Earlville East (Group 487) for August 2021.
Central Mainline
Allocation Group(s)/Point(s): Trailblazer/Beatrice (POI 1318)
Location: Beatrice, Nebraska compressor station
Project Description: Station maintenance at the Beatrice, Nebraska compressor station
Note: Northern will be performing scheduled station maintenance at the Beatrice, Nebraska compressor station. During this time, the receipt capacity at TBPL/NNG Beatrice (POI 1318) will not be reduced; however, increased pressure during the outage may hinder the upstream pipeline from delivering the full capacity during the outage. Northern will be working with Trailblazer to mitigate potential customer impact. If Trailblazer is unable to perform its scheduled commitment, Northern may have to allocate scheduled volumes to equal physical flows.
Month(s): May 2021 through August 2021
Direction of Flow: Receipt
Capacity Impact: Primary firm service will not be impacted.
Field Area
Allocation Group(s)/Point(s): Beaver North (Group 1025), PEPL/NNG Mullinville (POI 173) and ANR/NNG Greensburg (POI 179)
Location: Northern’s mainlines between the Mullinville, Kansas and Macksville, Kansas compressor stations, and station modifications at the Beaver, Oklahoma and Mullinville, Kansas compressor stations.
Project Description: Pipeline and station maintenance
Months: May 2021 through October 2021
Direction of Flow: Delivery for Beaver North (Group 1025) and ANR/NNG Greensburg (POI 179), and receipt for PEPL/NNG Mullinville (POI 173)
Capacity Impact: Northern does not anticipate primary firm service will be impacted for PEPL/NNG Mullinville (POI 173). Primary firm service will not be impacted for Beaver North (Group 1025) and ANR/NNG Greensburg (POI 179).
Revision: Capacity impacts have been updated for Beaver North (Group 1025) for June 2021 through August 2021.
Allocation Group(s)/Point(s): Pampa North (Group 1023), TW/NNG Gray Interconnect (POI 60667), Brownfield North (Group 1022) and Seminole Subsystem (Group 598)
Location: Northern’s mainlines between the Gaines County, Texas and Beaver, Oklahoma compressor stations, and station maintenance at the TW/NNG Gray Interconnect (POI 60667).
Project Description: Station and pipeline maintenance
Months: May 2021 through July 2021
Direction of Flow: Delivery for Pampa North (Group 1023), Brownfield North (Group 1022) and Seminole Subsystem (Group 598), and receipt for TW/NNG Gray ITE (POI 60667)
Capacity Impact: Northern does not anticipate primary firm service will be impacted for Seminole Subsystem (Group 598). Primary firm service will not be impacted for Pampa North (Group 1023), Brownfield North (Group 1022) and TW/NNG Gray ITE (POI 60667).
Revision: Capacity impacts have been updated for June 2021 for Pampa North (Group 1022) and Brownfield North (Group 1023).
Allocation Group(s)/Point(s): Sunray Low (Group 10) and Sunray High (Group 32)
Location: Northern’s Sunray, Texas compressor station
Project Description: Station maintenance
Months: June 2021 through August 2021
Direction of Flow: Receipt
Capacity Impact: Primary firm service will not be impacted.
Revision: Capacity impacts have been added for August 2021.
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.