Supplies in the market area are being scheduled at quantities much higher than actual deliveries, Northern Natural Gas said Thursday, and its ability to put excess gas into storage that was nominated long to the system is limited. Thus it will implement a System Underrun Limitation for market-area zones ABC, D and EF Saturday. “The forecast indicates loads will continue to decline over the weekend due to warmer weather,” the pipeline said.

Citing improved linepack levels, Tennessee lifted Thursday an imbalance warning for Zones 5 and 6 but said it “continues to requests all parties to match physical flow with scheduled quantities.”

Affiliated pipes Texas Eastern, Algonquin and Maritimes & Northeast ended Thursday their restrictions on nominations creating due-pipe imbalances and barring due-shipper paybacks.

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