Northern has scheduled the planned service outages that will affect operating capacity within the months of June 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 Ogden, Waterloo and Earlville, Iowa; Galena, Illinois; and Belleville, Wisconsin compressor stations. In addition, in-line inspection modifications on the Dubuque to Galena and Galena to ANR-Janesville lines are being completed.
Month(s): June 2019 through September 2019
Direction of Flow: Delivery
Capacity Impact: Northern anticipates primary firm capacity will be impacted.
Revision: Capacity impacts have been updated for Galena East (Group 463) and Belleville East (Group 488) for August 2019. Capacity impacts have been added for Earlville East (Group 487) for September 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 station in the Market Area
Month(s): June 2019 through November 2019
Direction of Flow: Delivery
Capacity Impact: Primary firm service will not be impacted.
Revision: Capacity impacts for Field to Demarc (Group 831) have been updated for September 2019 and added for November 2019. Capacity impacts for Beatrice North (Group 832) have been updated for August 2019 through September 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): June 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: Capacity impacts for Beaver North (Group 1025) have been updated for September 2019. Capacity impacts for Beaver North (Group 1025) and Beaver System South (Group 13) have been added for November 2019.
Allocation Group(s)/Point(s): KGS Mullinville (POI 94)
Location: Mullinville, Kansas compressor stations
Project Description: Station modifications at the Mullinville, Kansas compressor station
Month(s): July 2019
Direction of Flow: Delivery and receipt
Capacity Impact: Northern anticipates primary firm capacity will be impacted.
Roger Mills and Hemphill System
Allocation Group(s)/Point(s): Roger Mills Hemphill System (Group 14), Hemphill System (Group 747), Roger Mills System (Group 16), East Roger Mills (Group 15) and ETC Antelope Hills (POI 79081)
Location: Between Canadian, Texas and Elk City, Oklahoma
Project Description: Pipeline maintenance between Canadian, Texas and Elk City, Oklahoma
Month(s): August 2019
Direction of Flow: Receipt
Capacity Impact: Northern anticipates primary firm capacity will be impacted.
Allocation Group(s)/Point(s): Brownfield North (Group 1022) and Mitchell to Gaines (Group 825)
Location: Gaines County, Texas compressor station
Project Description: Station maintenance at the Gaines County, Texas compressor station
Month(s): July 2019
Direction of Flow: Delivery for Brownfield North (Group 1022) and receipt for Mitchell to Gaines (Group 825)
Capacity Impact: Northern anticipates primary firm capacity will be impacted. Operating capacity is fully subscribed in Brownfield North (Group 1022). Northern anticipates that customers with primary firm receipts south of the Brownfield compressor station and primary firm deliveries north of the Brownfield compressor station should expect a minimum pro-rata share of the firm capacity of 63% for the outage.
Allocation Group(s)/Point(s): Jal to Gaines (Group 824) and Spraberry to Plains (Group 599)
Location: Northern’s mainline between the Plains and Gaines County, Texas compressor stations
Project Description: In-line inspection modifications on the Plains to Gaines County line
Month(s): August 2019
Direction of Flow: Delivery for Jal to Gaines (Group 824) and receipt for Spraberry to Plains (Group 599)
Capacity Impact: Northern anticipates primary firm capacity will be impacted for Jal to Gaines (Group 824). Northern does not anticipate primary firm service will be impacted for Spraberry to Plains (Group 599).
Revision: Capacity impacts for Jal to Gaines (Group 824) and Spraberry to Plains (Group 599) have been updated for August 2019.
The dates indicated are the anticipated days for the maintenance and modifications to be performed and completed. Please continue to monitor Northern’s website for updates.
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.
