SOUTHERN NATURAL GAS CO
gas_transmission Incident, , January 29, 2026
Incident Information
| Incident Date | January 29, 2026 |
| Operator | SOUTHERN NATURAL GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 29.72740, -91.41710 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $100 |
| Other Costs | $0 |
Location Map
Incident Narrative
"FUEL GAS REGULATOR ON SHADYSIDE UNIT #1 LEAKED AND RELEASED GAS INTO THE BUILDING ENGINE ROOM BASEMENT. THIS CAUSED THE ACTIVATION OF THE C/S GAS DETECTION SYSTEM, WHICH RESULTED IN THE EMERGENCY STOPPING OF ALL ENGINES AND THE BLOWDOWN OF THEIR ASSOCIATED COMPRESSORS AND THE STATION FUEL GAS PIPING. THE 15-MINUTE ESD ROLLOVER TIMER EXPIRED DUE TO THE ENGINE ROOM FAILING TO VENT COMPLETELY IN CONJUNCTION WITH THE C/S GAS DETECTION SYSTEM STILL BEING IN ALARM. ESD BLOCK VALVES #106 AND #49 FAILED TO FULLY CLOSE WHICH RESULTED IN GAS TO CONTINUE TO VENT UNTIL THE STATION COULD BE ISOLATED BY OPERATIONS PERSONNEL. THE AMOUNT OF GAS RELEASED WAS 20.324 MMCF. THIS RELEASE WAS REPORTED TO THE LOUISIANA STATE POLICE AND THE NRC. NO INJURIES. NO PROPERTY DAMAGE."
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.