Kern River reported receiving notification late Thursday afternoon that operational problems at Opal Plant potentially could cause a supply shortage to the pipeline of about 120,000 dekatherms. Upon Kern River’s request, plant operator Williams Field Services agreed to keep Kern River shippers whole for Thursday’s gas day. In a follow-up notice Friday, Kern River said Thursday’s supply shortfall from Opal was 108,000 dekatherms. Kern River asked that WFS deliver an extra 25,000 dekatherms Friday and an extra 15,000 Dth/d Saturday through Monday in order to restore the pipe’s linepack. A Williams spokesman said Monday that Opal Plant had experienced a one-hour power outage Thursday, and also received a batch of gas with excessive moisture content. However, there were no operational issues remaining Monday, he said.

Florida Gas Transmission ended a long-running Overage Alert Day notice Monday. It had remained in effect at 15% imbalance tolerance through Sunday.

Citing high working gas inventory in its Clay Basin Storage Reservoir, Questar gave Interruptible Storage Service (ISS) customers 30 days (effective with the Sept. 9 gas day) to withdraw all of their account volumes. The customers were encouraged to use all 30 days to complete withdrawal to avoid possible scheduling or pipeline operational problems. Questar will monitor the ISS inventory and may issue an OFO to ensure that withdrawals are completed within the 30-day time frame.

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