Citing "single-digit system weighted forecasted temperatures and below-zero low temperatures at most reporting stations in the market area," Northern Natural Gas declared a System Overrun Limitation for Friday in all market-area zones (ABC, D and EF).
Also referring to cold weather, MRT posted a System Protection Warning (SPW) for Friday. See the bulletin board for the warning's conditions. Failure to comply may result in shippers and/or their agent being issued an individual OFO at any time within the SPW period, MRT said.
Southern Natural Gas is implementing an OFO Type 6 for short imbalances Friday until further notice, and a bulletin board posting indicated that the pipeline expects the OFO to remain in place through at least Sunday. Tiered negative imbalance penalties running as high as $15/Dth for imbalances exceeding 8% will be applied; however, imbalances up to 2% or 200 dekatherms (whichever is less) will not be penalized.
Noting that weather forecasts for Friday and the upcoming weekend in much of Wisconsin project temperatures near or below zero, ANR declared an "Extreme Condition" that lowers the Swing Percentage (imbalance tolerance) from 10% to 5%. ANR said it is not allowing any Unauthorized Overrun under Rate Schedules FTS-1, FTS-2, FTS-3, FTS-4, FTS-4L, STS and ETS. ANR also requested that all receipts and deliveries, excluding ETS and FTS-3 services, in Wisconsin be at a uniform hourly flow rate over a 24-hour period.
Starting Saturday until further notice, Dominion will have no interruptible or secondary capacity available at six New York utility delivery points. The affected meters are Corning Natural Gas, New York State Electric and Gas, Rochester Gas & Electric Meter, Niagara Mohawk, Fillmore Gas and National Fuel Gas Distribution. The action is being taken due to anticipated weather forecasts and the duration of these forecasts, as well as the anticipated corresponding firm load requirements, Dominion said. The pipeline also announced an OFO that will take effect Sunday for the same meters. Dominion said it has determined based upon current conditions and forecasted weather that quantities delivered to customers at those points may exceed what the pipeline is receiving on behalf of the customers. Dominion said it "cannot tolerate underdeliveries without jeopardizing its ability to provide firm services to other customers" and that it may be required to issue additional OFOs. In addition, effective with Sunday's gas day until further notice, Dominion will have no capacity available on its PL-1 system for either interruptible transportation or "non-PL-1" service. That includes deliveries to Transco at Nokesville, Cove Point at Loudoun and Texas Eastern at Chambersburg or Perulack, Dominion said.
CenterPoint declared an Operational Alert that it says updated an alert issued in late November. It reminded customers that the original notice remains in effect until further notice and requires firm shippers with firm receipt entitlements and deliveries in the South Pooling Area, including, but not limited to, Perryville Hub in northeast Louisiana, to begin sourcing 50% of MRO (Maximum Receipt Obligation) quantities and 100% of pool entitlement quantities from the South Pooling Area, to the extent consistent with the firm receipt entitlements specified in a shipper's Transportation Service Agreement. Shippers with deliveries to MRT at Glendale, AR utilizing Line AC will be exempt from this requirement, CenterPoint said. "Further, if and to the extent service can be provided beyond firm primary obligations, shippers desiring secondary and/or interruptible deliveries in the South must source their receipts in the South Pooling Area." A list of receipt points in the South Pooling Area whose usage would provide operational benefits to the pipeline was provided.
Due to a broken regulator on NGPL's system, starting Friday Gulf South will not confirm any volumes at the NGPL-Deep Lake meter unless the total nominated quantity exceeds 38,000 Dth/d. NGPL has indicated that this problem will not be corrected until spring, Gulf South said.
Effective Friday Westcoast is changing its imbalance tolerance range from the normal 10% pack/10% draft to 20% pack/zero draft.
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