Slide 1: Southern Natural Gas Company 2025 Outage Review
Southern Natural Gas Company 2025 Outage Review March 19th, 2025
Slide 2: Welcome
Welcome 2
Slide 3: Agenda
Agenda • Review of current and upcoming notable Outages • March/April/May/June • Unscheduled Outages • North System • South System • South Louisiana System • Elba Express Pipeline(EEC) • The next outage meeting will be on April 16th, 2025, at 1:30PM CST • Contacts 3
Slide 4: Disclaimers
Disclaimers • Anticipated Impacts are estimates. Actual nominations, market demand, weather and pipeline conditions, etc. will determine if, and through what level, restrictions become necessary. • Unless otherwise stated, all scheduled dates represent gas days as defined in the Southern Natural Gas
Slide 5: Color Key for Maps
Color Key for Maps • Yellow • Restrictions are possible • With extended duration, restrictions could be necessary from time to time • Lower than normal pressures may be experienced • Meter(s) affected are noted with (PIN #) • Red • Restrictions are probable 5
Slide 6: Southern Natural Gas Pipeline
Southern Natural Gas Pipeline Chattanooga Rome Hartwell SC Muldon North System GA MS Tarrant Bell Mills Aiken McConnells Atlanta Pell City DeArmanville Louisville Fairburn Wrens Providence Ocmulgee Pickens Reform Ellerslie Hall Gate Jefferson Bear Creek Onward Auburn Thomaston Rincon Elba Rankin Sel
Slide 7: Unscheduled Outage Update
Southern Natural Gas Pipeline Unscheduled Outage Update Chattanooga Unscheduled Unit Outage Proj-52723 Rome Thomaston compressor station 1-30-25 to 3-23-25 Hartwell SC Muldon North System Seg. 490 capacity of 1,663 Mdth/d GA MS Bell Mills Tarrant up to 45 Mdth/d impacted Aiken McConnells Atlanta Pel
Slide 8: SNG North System Pigging Review
SNG North System Pigging Review March/April/May/June Chattanooga Pigging on 2nd North Main line Huntsville Pigging on North Main line Proj-SNG-4754 Proj-SNG-5853 5-20-25 to 5-22-25 Rome 3-25-25 to 3-27-25 east of McConnells east of Louisville GA Pigging on North Main 2nd loop line Proj-SNG-6335 Muld
Slide 9: SNG North System Pigging Review continued
SNG North System Pigging Review continued March/April/May/June Chattanooga Pigging on Gadsden Branch line Huntsville Proj-SNG-5473 Pigging on West Point loop line 5-28-25 to 5-29-25 Rome Proj-SNG-18566 north of Pell City 6-3-25 to 6-4-25 south of Muldon GA Muldon Storage AL Atlanta Tarrant Bell Mill
Slide 10: SNG North System Maintenance Review
SNG North System Maintenance Review March/April/May/June Pipeline Maintenance 2nd North Main line Chattanooga Proj-SNG-4754 Muldon Shut-in test 3-10-25 to 3-28-25 4-1-25 to 9 AM 4-7-25 We do not anticipate an impact Huntsville Restrictions first into ISS then to customers at this time, Bear Creek Sh
Slide 11: SNG North System Maintenance Review continued
SNG North System Maintenance Review continued March/April/May/June Pipeline Maintenance 2nd North Main line Pipeline Maintenance Chattanooga Proj-SNG-19047 2nd North Main line 4-8-25 to 4-18-25 Proj-SNG-19047 Seg. 50 capacity of 520 Mdth/d 4-21-25 to 5-2-25 Huntsville impacted 310 Mdth/d Seg. 50 cap
Slide 12: SNG South System Pigging Review
SNG South System Pigging Review March/April/May/June Pigging on South Main line Hartwell SC Proj-SNG-5147 Aiken 4-15-25 to 4-17-25 Atlanta Pigging on Auburn Grantville loop line west of Ellerslie Wrens Pigging on South Main loop line Proj-SNG-15062 4-1-25 to 4-4-25 Fairburn GA Proj-SNG-5288 north of
Slide 13: SNG South System Pigging Review continued
SNG South System Pigging Review continued March/April/May/June Pigging on South Main line Proj-SNG-6346 5-12-25 to 5-16-25 east of Ocmulgee Hartwell SC Aiken Pigging Atlanta on South Main loop line Proj-SNG-37217 Wrens Fairburn GA 5-20-25 to 5-22-25 east of Ocmulgee Ocmulgee AL Ellerslie Hall Gate J
Slide 14: SNG South System Maintenance Review
SNG South System Maintenance Review March/April/May/June Unit maintenance Proj-52453 Selma compressor station SC Unit maintenance Hartwell 4-2-25 to 4-4-25 Aiken Proj-523610 Atlanta Pipeline Maintenance Gallion compressor station Seg. 460 capacity of 2,293 Mdth/d Gwinville Pickens line 3-31-25 to 4-
Slide 15: SNG South System Maintenance Review continued
SNG South System Maintenance Review continued March/April/May/June Unit Maintenance Proj-57051 Pipeline Maintenance Fairburn compressor station South Main loop line 4-9-25 to 4-10-25 Proj-SNG-24941/SNG24942 This project will require a 4-9-25 to 4-23-25 station outage. During this Unit Maintenance Ba
Slide 16: SNG South System Maintenance Review continued
SNG South System Maintenance Review continued March/April/May/June Pipeline Maintenance South Main loop line Proj-SNG-24943/SNG24944 Pipeline Maintenance 4-28-25 to 5-11-25 Hartwell South Main loop line Seg. 460 capacity of 1,953 Mdth/d Proj-SNG-24945 Aiken impacted 140 Mdth/d Atlanta 5-12-25 to 5-1
Slide 17: SNG South Louisiana System Pigging Review
SNG South Louisiana System Pigging Review March/April/May/June Gwinville Pigging on WCFLL Proj-SNG-5674 Pearl River 5-2-25 to 5-9-25 Proj-SNG-4606 5-12-25 to 5-19-25 MS north of White Castle LA Franklinton West Leg White Castle East Leg Shadyside Toca Compressor Station Storage Field Southern will b
Slide 18: SNG South Louisiana System Maintenance Review
SNG South Louisiana System Maintenance Review March/April/May/June Unit Maintenance Proj-512216 Franklinton compressor station Gwinville 3-25-25 to 3-31-25 Seg. 350 capacity of 798 Mdth/d impacted 65 Mdth/d Pearl River MS Pipeline Maintenance LA Franklinton Duck Lake Franklinton line Proj-SNG-2753/2
Slide 19: EEC Line Pigging and Maintenance Review
EEC Line Pigging and Maintenance Review March/April/May/June Rome Hartwell SC Muldon North System GA MS Tarrant Bell Mills Atlanta Aiken McConnells Pell City DeArmanville Hall Gate Wrens Louisville Fairburn Providence Ocmulgee Pickens Reform Ellerslie Jefferson Onward Duncanville Bear Creek Auburn T
Slide 20: SNG North System Pigging Review - Remainder of the year
SNG North System Pigging Review Remainder of the year Pigging on Rome Calhoun line Chattanooga Proj-SNG-29149 11-11-25 to 11-14-25 Huntsville south of Rome Rome GA Muldon Storage Tarrant AL Bell Mills Atlanta Pell City McConnells MS Louisville Reform Providence DeArmanville Pickens Onward Bear Creek
Slide 21: SNG North System Maintenance Review - Remainder of the year
SNG North System Maintenance Review Remainder of the year Muldon Shut-in test 10-7-25 to 9 AM 10-13-25 Restrictions first into ISS then Chattanooga CSS-not to exceed 36% of CSS DIQ /DWQ Huntsville Bear Creek Shut-in test Rome 10-21-25 to 9 AM 10-27-25 Restrictions first into ISS then GA CSS-not to e
Slide 22: SNG South System Pigging Review - Remainder of the year
SNG South System Pigging Review Remainder of the year SC Hartwell Pigging on Phenix City Columbus line Aiken Atlanta Proj-SNG-4665 7-15-25 to 7-17-25 Wrens east of Auburn Fairburn GA Ocmulgee Hallgate Jefferson AL Ellerslie Auburn Rincon Thomaston Rincon Elba MS Gallion Selma Elmore Holy Trinity Ric
Slide 23: SNG South System Maintenance Review - Remainder of the year
SNG South System Maintenance Review Remainder of the year SC Hartwell Aiken Atlanta Wrens Fairburn GA Ocmulgee Hallgate Jefferson AL Ellerslie Auburn Rincon Thomaston Rincon Elba MS Gallion Selma Elmore Holy Trinity Riceboro Hilliard York Enterprise Bay Springs Albany Gwinville Brookman Pavo Compres
Slide 24: SNG South Louisiana System Pigging Review - Remainder of the year
SNG South Louisiana System Pigging Review Remainder of the year Pigging on Franklinton Gwinville line 7-22-25 to 7-24-25 Proj-SNG-18722-south of Gwinville Gwinville Pigging on Franklinton Gwinville loop line 7-29-25 to 7-30-25 Proj-SNG-5873 Pearl River 8-5-25 to 8-7-25 Proj-SNG-4585-south of Gwinvil
Slide 25: SNG South Louisiana System Maintenance Review - Remainder of the year
SNG South Louisiana System Maintenance Review Remainder of the year Gwinville Pearl River MS LA Franklinton West Leg White Castle East Leg Shadyside Toca Compressor Station Storage Field Southern will be conducting other general maintenance during this period 25
Slide 26: EEC Line Pigging and Maintenance Review - Remainder of the year
EEC Line Pigging and Maintenance Review Remainder of the year Rome Hartwell SC Muldon North System GA MS Tarrant Bell Mills Atlanta Aiken McConnells Pell City DeArmanville Hall Gate Wrens Louisville Fairburn Providence Ocmulgee Pickens Reform Ellerslie Jefferson Bear Creek Onward Auburn Thomaston Ri
Slide 27: Gas Control Contacts
Gas Control Contacts Skyler Spyker – Manager • (713) – 420 – 2386 (office) • (806)-470-7743 (cell) • skyler_spyker@kindermorgan.com Mario Murillo – Outage Coordinator • (281) – 753 – 6530 (cell) • mario_murillo@kindermorgan.com Jimmy Reese – Lead Controller • (205) – 577 – 3204 (cell) • jimmy_reese@
Slide 28: Questions?
Questions? 28