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Critical Contingency Management Plan and Transmission System Map

The Critical Contingency Management Plan (CCMP) is a document that sets out the actions the transmission system owner, First Gas, will take to implement the Critical Contingency Operator's (CCO) curtailment directions and to communicate with gas distributors, retailers, large consumers, and other stakeholders during a critical contingency. The CCMP also contains information about pipeline pressures that would trigger a critical contingency and procedures for calculating imbalances following a critical contingency. 

The CCMP in force was approved by Gas Industry Co on 22 February 2017. 

The Transmission System Map shows the location of the transmission pipelines and gas gates. 

Both of these documents are available on the CCO website under Publications. 

Page last saved: September 10, 2018
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P 04 472 1800
A Gas Industry Co
Level 8, The Todd Building
95 Customhouse Quay
PO Box 10-646
Wellington 6143

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