Northern Natural Gas
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TSP Name:   Northern Natural Gas Company
TSP:   784158214
Notice ID:   049775
Notice Type:   Planned Service Outage
Subject:   PLANNED SERVICE OUTAGE - AUGUST THROUGH NOVEMBER 2019
Location:   FIELD AND MARKET AREA
Post Date/Time:   08/20/2019 04:23 PM
Notice Effective Date/Time:   08/20/2019 04:23 PM
Notice End Date/Time:   09/09/2019 05:35 PM
For Gas Day(s):   08/20/2019 - 09/09/2019
Notice Status:   Terminate
Prior Notice:   049668
Required Response Indicator Description:   5-No response required
Notice Text:

 

Northern has scheduled the planned service outages that will affect operating capacity within the months of August through November 2019. 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

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: Between Ogden, Iowa and Belleville, Wisconsin compressor stations

Project Description: Station maintenance at the Earlville, Iowa compressor station. Report results from the in-line inspection between the Ogden, Iowa and Waterloo, Iowa compressor stations. In addition, in-line inspection modifications on the Dubuque to Galena and Galena to ANR-Janesville lines are in progress.

Month(s): August 2019 through November 2019

·   Actual outage dates and capacity impacts are dependent upon receipt of the in-line inspection report and will be updated as additional information becomes available

Direction of Flow: Delivery

Capacity Impact: Northern anticipates primary firm capacity will be impacted.

Revision: Capacity impacts have been added for Waterloo East (Group 773) for October 2019 and November 2019.

 

Central Mainline

Allocation Group(s)/Point(s): TIGT Milligan (POI 210), Ellsworth Central Delivery (POI 19103), American Energies-Garfield (POI 18270) and Rupe Central Delivery (POI 61201)

Location: Mainline between Bushton, Kansas and Palmyra, Nebraska compressor stations 

Project Description: Pipeline modifications between the Bushton, Kansas and Palmyra, Nebraska compressor stations and station maintenance at the Palmyra, Nebraska compressor station. Pipeline maintenance on the TIGT Milligan to Beatrice, Nebraska compressor station.

Month(s): August 2019 through October 2019

Direction of Flow: Receipt

Capacity Impact: Primary firm service will not be impacted.

Revision: Capacity impacts have been added for TIGT Milligan (POI 210) for October 2019.

 

Market/Field Areas Combined

Allocation Group(s)/Point(s): Field to Demarc (Group 831) and Beatrice North (Group 832)

Location: Northern’s mainlines located between the Macksville, Kansas and Oakland, Iowa compressor stations

Project Description: Pipeline maintenance and modifications along the pipelines from the Macksville, Kansas compressor station north to the Clifton, Kansas compressor station (Demarc) in the Field Area, and from Clifton, Kansas to the Oakland, Iowa compressor stations in the Market Area

Month(s): August 2019 through November 2019

Direction of Flow: Delivery

Capacity Impact: Primary firm service will not be impacted.

Revision: Due to rescheduled outages, capacity impacts for Field to Demarc (Group 831) and Beatrice North (Group 832) have been updated for September 2019 and October 2019 and capacity impacts for Beatrice North (Group 832) have been added for November 2019.

 

Field Area

Allocation Group(s)/Point(s): Beaver North (Group 1025), PEPL Mullinville (POI 173) and Beaver South System (Group 13)

Location: Beaver, Oklahoma and Mullinville, Kansas compressor stations

Project Description: Station modifications and an in-line inspection between the Beaver, Oklahoma and Mullinville, Kansas compressor stations

Month(s): August 2019 through November 2019

Direction of Flow: Delivery for Beaver North (Group 1025) and receipt for PEPL Mullinville (POI 173) and Beaver System South (Group 13)

Capacity Impact: Primary firm service will not be impacted.

Revision: Due to rescheduled outages, capacity impacts for Beaver North (Group 1025) have been updated for September 2019.

 

Allocation Group(s)/Point(s): ETC Sunray Plant (POI 58676), Sunray Low (Group 10), Sunray High (Group 32), and Beaver C System (Group 31)

Location: Sunray, Texas compressor station

Project Description: Station modifications at the Sunray, Texas compressor station

Month(s): October 2019

Direction of Flow: Receipt

Capacity Impact: Northern does not anticipate primary firm service will be impacted for the ETC Sunray Plant (POI 58676) and Sunray Low (Group 10). Primary firm service will not be impacted for Sunray High (Group 32) and Beaver C System (Group 31).

 

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.