Tennessee lifted Thursday an OFO Action Alert for all balancing parties in Zones 5 and 6.
Articles from Systemwide
Transwestern issued a systemwide Alert Day notice due to low linepack for Monday, prompting Southwest Gas to follow up with a Hold Burn to Scheduled Quantities notice. Both actions were canceled Tuesday as a result of Transwestern linepack returning to normal.
Although Ruby Pipeline operator El Paso Corp. had indicated Tuesday that a systemwide shutdown might be ended as early as Wednesday, the in-service date has been shifted to sometime between Saturday and next Wednesday. Ruby said a full assessment of the scope of necessary repairs has been completed, and the longest lead item is for replacement of the 42-inch block valve. The restoration of service depends on the time required to secure and install the replacement valve.
Citing mild weather and limited operational flexibility, Tennessee said a systemwide Imbalance Warning will become effective Saturday. All delivery point operators will be required to keep actual daily takes out of the system equal to or greater than scheduled quantities regardless of their cumulative imbalance position. All receipt point operators must keep actual daily receipts into the system equal to or less than scheduled quantities regardless of their cumulative imbalance position.
Tennessee lifted a systemwide Imbalance Warning Saturday. The pipeline also rescheduled a line abandonment project for the 523M-7300 and 523M-7600 lines offshore Louisiana to Wednesday through Oct. 4. The work, which will require suspension of flows at four Vermilion meters, previously was set for last Saturday through Oct. 2.