Inventory

Pacific Gas & Electric declared a systemwide Stage 2 high-inventory OFO for today. The tolerance for positive daily imbalances was as tight as possible at zero; the penalty for excess gas is $1/Dth.

Pacific Gas & Electric issued a systemwide Stage 2 high-inventory OFO for Friday but did not extend it to Saturday. The order had $1/Dth penalties for positive imbalances exceeding a stringent 1% tolerance.

Pacific Gas & Electric declared a systemwide Stage 3 high-inventory OFO for today with $5/Dth penalties for positive daily imbalances exceeding a 5% tolerance. Southern California Gas extended a similar Overnominations Day notice that had begun Thursday through at least today. SoCal’s OFO penalizes shippers for delivering into the system more than 110% of their actual usage. Violators pay a buyback tariff that is the lower of either SoCal’s lowest incremental gas purchase cost or 50% of its core subscription procurement charge.

Pacific Gas & Electric declared a systemwide Stage 2 high-inventory OFO for Saturday with $1/Dth penalties for positive daily imbalances exceeding a 3% tolerance.

Pacific Gas & Electric issued a systemwide Stage 3 high-inventory OFO for Saturday. It carries penalties of $5/Dth for positive daily imbalances exceeding a 9% tolerance.

Expecting linepack to exceed its maximum target levels over the weekend, Pacific Gas & Electric issued a systemwide high-inventory OFO for Saturday. The order had $5/Dth penalties for positive daily imbalances exceeding a 6% tolerance.

Pacific Gas & Electric kept a Stage 3 high-inventory OFO declared for Saturday in place through Sunday, cutting the imbalance tolerance from 1% to zero. No OFO was in effect Monday or today.

Pacific Gas & Electric declared a systemwide Stage 3 high-inventory OFO for Saturday. The OFO had $5/Dth penalties for exceeding a very tight 1% tolerance for positive daily imbalances. Unlike the previous weekend, Southern California Gas did not have a corresponding Overnominations Day in place Saturday.

Pacific Gas & Electric did not extend a Stage 3 high-inventory OFO beyond Saturday.