Northern has scheduled the service outages that will affect operating capacity within the months of February 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): GRE Elk River Plant (POI 78964)
Location: Northern’s pipeline between the Hugo, Minnesota compressor station and Elk River, Minnesota
Project Description: Pipeline maintenance
Months: March 2021
Direction of Flow: Delivery
Capacity Impact: Primary firm service will not be impacted.
Revision: Capacity impacts have been removed from March 2021.
Allocation Group(s)/Point(s): Viking Chisago/Isanti (POI 196)
Location: Northern’s mainline between Hugo, Minnesota and North Branch, Minnesota
Project Description: Station maintenance at the North Branch, Minnesota compressor station
Note: Northern will be conducting station maintenance at the North Branch, Minnesota compressor station, which will affect capacity during May 2021. During this time, the operating capacity of the point will be zero; however, Northern will schedule primary volumes at Viking Chisago/Isanti (POI 196) to the extent that available capacity exists for Northern to physically flow receipt and delivery volumes at Viking/NNG Pierz ITE (POI 61667) or Viking/NNG Polk ITE (POI 62983). Primary volumes at Viking Chisago/Isanti (POI 196) will be scheduled prior to alternate volumes at Viking/NNG Pierz ITE (POI 61667) or Viking/NNG Polk ITE (POI 62983).
Months: May 2021
Direction of Flow: Receipt and delivery
Capacity Impact: Northern anticipates primary firm service will be impacted.
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: May 2021 through September 2021
Direction of Flow: Receipt and delivery
Capacity Impact: Northern does not anticipate primary firm service will be impacted.
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: April 2021 through August 2021
Direction of Flow: Delivery
Capacity Impact: Northern does not anticipate primary firm service will be impacted.
Market/Field Area Combined
Allocation Group(s)/Point(s): Field to Demarc (Group 831) and Beatrice North (Group 832)
Location: Northern’s mainlines between the Tescott, Kansas and Ogden, Iowa compressor stations.
Project Description: Station Maintenance
Months: March 2021 through October 2021
Direction of Flow: Delivery
Capacity Impact: Primary firm service will not be impacted.
Revision: Capacity impacts have been added for April 2021 through October 2021.
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: April 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).
Allocation Group(s)/Point(s): Sunray Low (Group 10), Sunray High (Group 32), Beaver C System (Group 31) and ETC Sunray Plant (POI 58676)
Location: Northern’s Sunray, Texas compressor station
Project Description: Station maintenance
Months: March 2021 and April 2021
Direction of Flow: Receipt
Capacity Impact: Northern anticipates 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) and Beaver C System (Group 31).
Revision: Capacity impacts have been added for April 2021.
Allocation Group(s)/Point(s): Pampa North (Group 1023), TW/NNG Gray Interconnect (POI 60667), Brownfield North (Group 1022), Mitchell to Gaines (Group 825) and Seminole Subsystem (Group 598)
Location: Northern’s mainlines between the Gaines County, Texas and Beaver, Oklahoma compressor stations, and station maintenance at the Gaines County, Texas compressor station and at TW/NNG Gray Interconnect (POI 60667).
Project Description: Station and pipeline maintenance
Months: April 2021 through May 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) and Mitchell to Gaines (Group 825)
Capacity Impact: Northern anticipates primary firm service will be impacted for Pampa North (Group 1023), Brownfield North (Group 1022) and Mitchell to Gaines (Group 825). Primary firm service will not be impacted for TW/NNG Gray ITE (POI 60667) and Seminole Subsystem (Group 598).
Allocation Group(s)/Point(s): GCX Spraberry (POI 79391)
Location: GCX Spraberry (POI 79391)
Project Description: Station maintenance
Months: March 2021
Direction of Flow: Receipt
Capacity Impact: Primary firm service will not be impacted.
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.
