Published Documents
These documents are approved for use:
Firstgas Retailer Compliance Update Template
24 March 2026
Firstgas Large Consumer Compliance Update Template
3 March 2026
GIC Approved Supply Designations
25 February 2026
CCO Annual Exercise Participants Brief - Exercise Aitua
09 July 2025
GIC Guidelines for Determining Regional Critical Contingencies
24 July 2024
Firstgas Transmission System Drawing
8 March 2024
Firstgas Critical Contingency Management Plan
17 October 2022
17 October 2022
01 March 2022
01 March 2022
CCO Service Provider Agreement
26 March 2013
Gas Governance Critical Contingency Management Regulations 2008 (Amended as at 1st March 2014)
Consultation Documents
CCO Information Guide v12 Draft for Consultation (clean version)
CCO Information Guide v12 Draft for Consultation (track changes version)