MRT Non-Critical Notice

Notice ID: 62794
Notice Type: PSO
Critical: N
Notice Status Description:
Reqrd Rsp Desc: No Response Required
Response Date/Time:
Posting Date/Time: 2026-04-08 12:40:00.0
Subject: Planned Service Outages [April 2026 Calendar]
Notice Effective Date/Time: 2026-04-08 12:40:00.0
Notice End Date/Time: 2026-07-07 09:00:00.0
Notice Text:

Start Date

End Date

Title

Location

Maintenance

Impact

SPW

3/23/2026

4/13/2026

Perryville Unit 5 PLC Upgrade

 Perryville Compressor

Other

1

4/6/2026

4/20/2026

ML3 Pipe Replacement and MLV Pressure Test.

 Pipe - Fountain Hill

Integrity Work

1

4/8/2026

4/8/2026

ML2 Pig Carlisle to Westpoint

 Pipe - Carlisle

Cleaning Pig

1

4/8/2026

4/11/2026

Bio Treatment

 St. Jacob Storage

Annual Maintenance

1

4/9/2026

4/9/2026

ML3 Pig Carlisle to Westpoint

 Pipe - Carlisle

Cleaning Pig

1

4/13/2026

4/17/2026

Solar Bi-Annual Turbine Inspection

 Biggers Compressor

Annual Maintenance

1

4/13/2026

4/17/2026

Solar Bi-Annual Turbine Inspection

Tuckerman Compressor

Annual Maintenance

1

4/14/2026

4/14/2026

ML-2 Pig

 Pipe - Westpoint

Cleaning Pig

1

4/15/2026

11/1/2026

Station Automation

 Twelve Mile Compressor

Integrity Work

1

4/27/2026

5/1/2026

Poplar Bluff Electrical survey

 Popular Bluff Compressor

Regular Maintenance

1

5/1/2026

5/16/2026

Perryville Compressor Station Unit 5 Top End

 Perryville Compressor

Regular Maintenance

1

5/11/2026

5/18/2026

 Installing Ring Gear on units #5&7

 Fountain Hill Compressor

Other

1

5/12/2026

5/12/2026

ML2 Cleaning Pigs Glendale to Ft. Hill

 Pipe - Glendale

Cleaning Pig

1

5/13/2026

5/13/2026

ML3 Cleaning Pigs Glendale to Ft. Hill

 Pipe - Glendale

Cleaning Pig

1

5/15/2026

5/30/2026

Unionville EOS Shut in

Unionville

Other

8

5/18/2026

5/18/2026

Westline Dixie to NGPL pigging

Pipe - Unionville

Cleaning Pig

1

5/18/2026

5/30/2026

Perryville Compressor Station Unit 1-1375

 Perryville Compressor

Regular Maintenance

1

5/19/2026

5/19/2026

10" IGT-1 Hill Creek - Hartford ILI - Cleaning & Gauge Tools

 Pipe - St Jacob

Cleaning Pig

1

5/19/2026

5/19/2026

Westline Dixie to Red River and river crossings

Pipe - Unionville

Cleaning Pig

1

5/19/2026

5/21/2026

Ft Hill Shutdowns & Alarms

 Fountain Hill Compressor

Annual Maintenance

8

5/20/2026

5/20/2026

ML2 cleaning Pigs Ft. Hill to Perryville

 Pipe - Fountain Hill

Cleaning Pig

1

5/20/2026

5/20/2026

Westline Red River to MP51

Pipe - Unionville

Cleaning Pig

1

5/21/2026

5/21/2026

10" IGT-1 Hill Creek - Hartford ILI – HR Combo

 Pipe - St Jacob

ILI Pigging Project

1

5/21/2026

5/21/2026

ML3 Cleaning Pigs Ft. Hill to Perryville

 Pipe - Fountain Hill

Cleaning Pig

1

5/22/2026

5/23/2026

WESTLINE CLEANING PIGS UNIONVILLE TO PERRYVILLE

 Pipe - Unionville

Cleaning Pig

1

7/14/2026

7/14/2026

18x20x22" ALLN A-75 to Horseshoe Lake ILI - GEO

 Pipe - Columbia

ILI Pigging Project

1

7/16/2026

7/16/2026

18x20x22" ALLN A-75 to Horseshoe Lake ILI – MFL

 Pipe - Columbia

ILI Pigging Project

1

12/1/2026

12/2/2026

ML2 Class Location Relay

 Pipe - Twelve Mile

Pipe Replacement

1

12/1/2026

12/2/2026

ML1 Joachim Creek HDD

 Bon Terre Tower

Pipe Replacement

1

12/1/2026

12/2/2026

Meramec Receiver Barrel & Piping Modifications

 Pipe - Bonne Terre

Pipe Replacement

1

1.  No capacity impact is expected at this time.

2.  Coordinating with necessary loads.

3.  Based on historical and current throughput, no capacity impact is expected.  In the event nominations increase significantly, restrictions may become necessary.

4.  Coordinating maintenance with interconnecting pipe to minimize customer impact.  No capacity impact is expected at this time; however, if operating conditions change, affected parties will be notified.

5.  Affected production notified of shut-in during work.

6.  Customers may experience pressure fluctuations, but no capacity impact is anticipated.

7.  Based upon customer nominations, restrictions may become necessary.

8.  Based on all available information, capacity will be impacted.  Capacity reductions will be done in accordance with the provisions of MRT's tariff regarding scheduling and interruption of services.