Northern Natural Gas Printable Version
TSP Name:   Northern Natural Gas Company
TSP:   784158214
Notice ID:   095582
Notice Type:   Planned Service Outage
Subject:   PLANNED SERVICE OUTAGES – SEPTEMBER 2025 THROUGH DECEMBER 2025
Critical:   N
Location:   MARKET AND FIELD AREA
Post Date/Time:   09/17/2025 01:55 PM
Notice Effective Date/Time:   09/17/2025 01:55 PM
Notice End Date/Time:   01/01/2026 08:59 AM
For Gas Day(s):   09/17/2025 - 12/31/2025
Notice Status:   Supersede
Prior Notice:   095527
Required Response Indicator Description:   5-No response required
Notice Text:

Northern has scheduled the following service outages that will affect operating capacity within the months of September 2025 through December 2025. 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/Field Area Combined

Allocation Group(s)/Point(s): Waterloo East (Group 773), Earlville East (Group 487), and Galena East (Group 463)

Location: Northern’s pipelines and compressor stations between Waterloo, Iowa, and Belleville, Wisconsin

Project Description: Pipeline maintenance

Month: September 2025

Direction of Flow:

Delivery: Waterloo East (Group 773), Earlville East (Group 487), and Galena East (Group 463)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Waterloo East (Group 773) and Earlville East (Group 487). Primary firm service will not be impacted for Galena East (Group 463).

Revision: Capacity impacts for Waterloo East (Group 773), Earlville East (Group 487), and Galena East (Group 463) have been removed for September 2025.

 

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.