Noting forecasts of sub-zero cold for much of Wisconsin Wednesday night and Thursday, ANR declared an Extreme Condition effective at 9 p.m. CST Wednesday until further notice. ANR said the action lowers its “Swing Percentage” (essentially, negative imbalance tolerance) from 10% to 5%, and it is not allowing any Unauthorized Overrun under Rate Schedules FTS-1, FTS-2, FTS-3, STS and ETS. The pipeline also asked that all receipts and deliveries in Wisconsin, excluding ETS and FTS-3 services, be at a uniform hourly flow rate over a 24-hour period.
In response to recent packing of its system, NOVA changed its tolerance levels Wednesday morning to 0/-4 from the normal +4/-4. The change bars positive daily imbalances and encourages moderate drafting.
Sonat said it will cancel capacity allocations for the Chattanooga, East Tennessee and Tallapoosa delivery groups at the start of Thursday’s gas day. The allocations had been implemented Monday.
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