Westcoast Energy Inc.

Critical Notice

Curtailment - Pipeline








Shipper Balancing Requirement - March 20, 2018 until further notice



Enbridge BC Pipeline will incur swing gas costs to mitigate operational risk associated with any further gain in linepack


Refer to Critical Notice posting #49843 regarding the System Wide OFO on packing.

Westcoast has determined that there is a risk of pipeline operations being negatively impacted by sustained periods of high linepack.
Pursuant to Article 6.14 (e) of Westcoast’s General Terms and Conditions - Service, Westcoast may sell Swing Gas to maintain linepack within normal operational levels and mitigate the risk of operational impacts.
Westcoast issued a System Wide OFO effective March 20, 2018 which remains in effect. Article 6.15 of Westcoast General Terms and Conditions – Service sets out that, to the extent Westcoast incurs Swing Gas costs due to a failure to comply with an OFO or due to shipper imbalances, a Shipper exceeding their Cumulative Supply Imbalance greater than its Balancing Tolerance Range shall pay a pro rata share of Swing Costs for the period such Shipper materially contributed to Westcoast incurring such Swing Costs. Cumulative Supply Imbalances are calculated on the basis of Supply and Non-Supply Account balances. Westcoast has determined that this period shall be for March 20, 2018 and will continue until further notice. 
Shippers can review their “Estimated Aggregate Imbalance 4-Day” trend report for tolerance calculation and imbalances. 
If you have any questions, contact the Customer Service Representatives (403) 699-1800.

Posting Date: 20-Mar-2018 13:06 CCT
Effective Date: 20-Mar-2018
End Date: 23-Mar-2018
Response Date: N/A
Location: N/A
Contacts: CSR