Transco said Monday it had “Transco experienced significant positive transportation imbalances (receipts in excess of deliveries) on its system over the past weekend and expects this to continue through the end of September as a result of low gas prices.” Effective immediately, it is not allowing receipt make-up nominations unless they are sourced from the Washington or Eminence storage fields. Transco urged shippers to avoid any positive imbalances and to actively resolve any existing ones as soon as possible. It also said it will limit positively scheduled imbalances at all pooling points to a tolerance of 1% or 1,000 dekatherms, whichever is greater. Shippers with negatively scheduled imbalances at their pools will continue to be held to a 4% tolerance level. Transco may proactively decrease deliveries into the pools to bring them in line with receipts away from the pooling points.

Florida Gas Transmission kept last week’s Overage Alert Day notice in effect over the weekend and through at least Monday with a 15% tolerance for negative daily imbalances.

Reliant said the Amber Compressor Station will require about three days of unscheduled maintenance starting at 9 a.m. CDT Wednesday. All IT and Secondary Firm supplies flowing from west of Amber Station to markets east of the station will be reduced to zero for the duration of this work.

Gulf South postponed maintenance on Index 59 (Dixie Line) near Carthage, TX that had been scheduled to begin today until 7 a.m. CDT Wednesday. The work will last about 18 hours and cause the shut-in of 41 meters on the production side. Gulf South said it will keep shippers whole on the delivery side during this maintenance, but will also be interrupting service to eight delivery-side taps. The pipeline also switched times for about 15 hours of maintenance on Index 59 near Goodrich, TX. Instead of Wednesday morning, the work will begin today at 6 a.m. Service will be interrupted to one customer on the delivery side.

Due to additional work required at the Havensville Compressor Station, ANR maintenance that began July 9 is expected to continue through Oct. 31, maintaining a total reduction of about 100 MMcf/d in Southwest Mainline capacity.

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