Columbia Gas Transmission Notice 25914209

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TSP Name

Columbia Gas Transmission, LLC

TSP

054748041

Date

Time

Notice ID

25914209

Notice Type Description: Operational Alert
Notice Stat Desc: Initiate
Prior Notice:
Critical: Y
Reqrd Rsp Desc: No Response Required

Post
Notice Effective
Notice End

Response

09/30/24
09/30/24
10/30/24



10:58:11 AM
12:00:00 AM
12:00:00 AM



Subject: Operational Alert: Potential Critical Day effective Wednesday, October 2, 2024

Author: Jon Young

Notice Text

As part of its commitment to communicate current operating conditions to customers, Columbia Gas Transmission, LLC (TCO) is issuing the following Operational Advisory effective Wednesday, October 2, 2024, and continuing until further notice.   Potential Critical Day for Storage Injections: TCO may limit storage injections to firm quantities only, which would constitute a Critical Day in storage.  The potential for a Storage Critical Day is due primarily to forecasted supplies and reduced market demand resulting in anticipated high daily levels of injections into customer's storage accounts. Customers can assist TCO operations and reduce the potential need for a Critical Day by not exceeding their Maximum Daily Injection Quantities and keeping supplies and markets balanced.  Firm Storage Service (FSS) shippers are reminded that, per section 3(c) of the FSS Rate Schedule, the Maximum Monthly Injection Quantity (MMIQ) for October is 9% of the Storage Contract Quantity (SCQ), and the Maximum Daily Injection Quantity (MDIQ) is 1/25th of the MMIQ.   Imbalances and AutoPAL:TCO has limited operational flexibility for positive transportation imbalances or positive AutoPAL balances. Physical flows must match scheduled quantities to prevent further action. As a reminder, the intent of the AutoPAL service is to utilize nominal quantities to resolve minor pool imbalances that result from small upstream or downstream reductions during the cycles of the Gas Day.  These quantities are then paid back the next cycle of the Gas Day.  This service should not be used for parking or loaning large quantities and is subject to monitoring for abuse. TCO will monitor AutoPAL activity and reserves the right to make AutoPAL unavailable, force balance pools, or declare an OFO (or a customer specific OFO) to prevent abuse.   TCO encourages customers to monitor critical notices, including the Daily Capacity Posting, for updates.Please contact your Customer Services Representative with any questions.