Systemwide

Transportation Notes

Westcoast implemented a systemwide high-linepack OFO Thursday with 10% tolerance for positive daily imbalances.

June 3, 2011

Transportation Notes

Citing limited operational flexibility to manage imbalances over the long holiday weekend, Tennessee issued a systemwide Balancing Alert for Saturday that required all delivery point operators to keep actual daily takes from the system equal to or greater than scheduled quantities, and all receipt point operators to keep actual daily receipts into the system equal to or less than scheduled quantities. The requirement applied in each case regardless of the operator’s cumulative imbalance position.

May 31, 2011

Transportation Notes

Pacific Gas and Electric issued a systemwide Stage 2 high-inventory OFO for Saturday on its California Gas Transmission system, setting penalties of $1/Dth for exceeding a 5% tolerance on positive daily imbalances.

May 23, 2011

Transportation Notes

Pacific Gas and Electric kept a systemwide Stage 2 high-inventory OFO in place through at least Friday but loosened the tolerance for positive negative imbalances from 5% to 13%.

May 13, 2011

Transportation Notes

Pacific Gas and Electric declared a systemwide Stage 2 high-inventory OFO on its California Gas Transmission system for Thursday, setting $1/Dth penalties for noncompliance with a 5% tolerance on positive daily imbalances.

May 12, 2011

Transportation Notes

A day after ending a low-inventory OFO, Pacific Gas and Electric issued a systemwide Stage 2 high-inventory on its California Gas Transmission system for Friday, setting penalties of $1/Dth for exceeding a 5% tolerance on positive daily imbalances.

May 6, 2011

Transportation Notes

Pacific Gas and Electric issued a systemwide Stage 2 low-inventory OFO on its California Gas Transmission system, setting penalties of $1/Dth for exceeding a 5% tolerance on negative daily imbalances.

May 4, 2011

Transportation Notes

Tennessee lifted Monday a systemwide Imbalance Warning that had been implemented two days earlier.

April 19, 2011

Transportation Notes

Pacific Gas and Electric issued a systemwide Stage 2 high-inventory OFO for Friday on its California Gas Transmission system. Penalties of $1/Dth will apply to customers that exceed a 5% tolerance on positive daily imbalances.

April 1, 2011

Transportation Notes

Westcoast ended Wednesday a systemwide high-linepack OFO that had been implemented on the previous Thursday.

March 31, 2011