Northern Natural Gas
Printable Version
TSP Name:   Northern Natural Gas Company
TSP:   784158214
Notice ID:   060741
Notice Type:   Planned Service Outage
Subject:   PLANNED SERVICE OUTAGES – JULY 2021 THROUGH OCTOBER 2021
Critical:   N
Location:   MARKET AND FIELD AREA
Post Date/Time:   07/21/2021 01:45 PM
Notice Effective Date/Time:   07/21/2021 01:45 PM
Notice End Date/Time:   08/06/2021 12:01 PM
For Gas Day(s):   07/21/2021 - 08/06/2021
Notice Status:   Terminate
Prior Notice:   060598
Required Response Indicator Description:   5-No response required
Notice Text:

Northern has scheduled the service outages that will affect operating capacity within the months of July 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 October 2021

Direction of Flow: Receipt and delivery

Capacity Impact: Northern does not anticipate primary firm service will be impacted.

Revision: Capacity impacts have been added for October 2021.  

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: July 2021 through October 2021

Direction of Flow: Delivery

Capacity Impact: Primary firm service will not be impacted.

Revision: Capacity impacts have been updated for September 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: July 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 August 2021 through October 2021.

 

Allocation Group(s)/Point(s): Pampa North (Group 1023), Brownfield North (Group 1022) and Seminole Subsystem (Group 598)

Location: Northern’s mainlines between the Gaines County, Texas and Beaver, Oklahoma compressor stations

Project Description: Station and pipeline maintenance

Months: July 2021, September 2021 and October 2021

Direction of Flow: Delivery

Capacity Impact: Primary firm service will not be impacted. Northern does not anticipate primary firm service will be impacted for Seminole Subsystem (Group 598) for September 2021.

Revision: Capacity impacts have been added for Pampa North (Group 1023) and Brownfield North (Group 1022) for October 2021.

 

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: July 2021 through October 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 Sunray Low (Group 10) and Sunray High (Group 32) for October 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.