Pacific Gas and Electric is keeping a systemwide Stage 2 low-inventory OFO in effect through at least Friday but said the tolerance on negative daily imbalances will be loosened from 5% to 16%.
Northern Natural Gas is allowing a string of System Overrun Limitations in all market-area zones to end Friday.
CIG canceled Thursday a cold weather-related Strained Operating Condition that had been implemented Tuesday.
Southwest Gas lifted Thursday the Hold Burn to Scheduled Quantities notice that it had issued Tuesday due to banking on its system creating a large positive imbalance on upstream pipelines.
Gulf South said four nearby locations were required to shut in until further notice Wednesday when it began unscheduled pipe maintenance on Index 228 (the 20-inch diameter Minden Line) in northwest Louisiana.
Southern expanded a Type 3 OFO to 14 more system groups Thursday; see the bulletin board for lists of points covered by those system groups.
Columbia Gas will continue to designate a Critical Day for transport in 12 of its market areas Friday, saying it expects to need all available capacity to meet firm service obligations in those areas.
Southern Star Central will end Friday a System Critical Notice that had been initiated last week.
NGPL said effective Friday until further notice it has capacity available for storage withdrawals, and thus DSS and NSS customers in all zones on both the Amarillo and Gulf Coast systems may take out amounts exceeding their designated Withdrawal Quantities.
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