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Critical Contingency Operator

Under the Gas Governance (Critical Contingency Management) Regulations 2008 (CCM Regulations), Gas Industry Co appoints a Critical Contingency Operator (CCO).

New Plymouth-based Plant and Platform Limited has been appointed Critical Contingency Operator under the Gas (Critical Contingency Management) Regulations 2008 (Regulations).  

The appointment takes effect from 1 March 2022, following a hand-over from the current Critical Contingency Operator. The existing Critical Contingency Operator, Core Group, continues in the role until then.   

The CCO:

  • Determines and declares the onset of a Critical Contingency;
  • Calls for load curtailment as required to balance the system;
  • Continuously monitors the supply/demand balance and adjusts load curtailment directions as necessary, and
  • Determines when it is safe to terminate a Critical Contingency. 

The CCO maintains a website of publicly available information that is updated continually during a critical contingency. Under Current CC Events on the CCO's website you can find notices:

  • Declaring or terminating a critical contingency;
  • Directing gas consumers to cease using gas (curtailment directions); and
  • In cases of extended outages, informational notices concerning the status and expected duration of the critical contingency (where possible).

The CCO website also includes planning documents and reports under its Publications section, including:

  • Critical contingency management plan, which sets out how the transmission system operator, First Gas, will respond during and after a critical contingency;
  • Transmission system map; and
  • Consultation documents.

Critical notices that pertain to the declaration or termination of a Critical Contingency as well as notices directing gas consumers to cease using gas (curtailment directions).

In June 2020 the CCO at the time was audited against the CCO Service Provider Agreement and the CCM Regulations. No areas of non-conformance were identified. A summary of this audit is found below. 


Page last saved: 11 October, 2021
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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 6140

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