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The potential consequences of a gas quality incident can be major. To check that the industry’s gas quality arrangements are fit for purpose and aligned with the Gas Act objectives, Gas Industry Co reviews the arrangements from time to time as changes occur and/or new information comes to hand.

The last substantive review (Gas Governance Issues in Quality: Investigation Update) was consulted on in August 2011. In June 2015, the industry developed a document Gas Quality Requirements and Procedures (Gas Quality R&P) that sets out the statutory and contractual arrangements related to gas quality and describes current industry practices. Gas Quality R&P is maintained by Gas Industry Co and is updated periodically. 

A more recent development that may affect industry practice in this area is the acquisition of both transmission systems by First Gas Limited (First Gas) in 2016. As well as considering how gas quality should be addressed in the new Gas Transmission Access Code (GTAC) currently under development, First Gas has undertaken to continue the work begun by Maui Development Limited (MDL), aimed at addressing some specific issues identified in previous gas quality reviews.

Gas Quality - June 2017 Update

Gas Industry Co believes it is timely to review previous gas quality work to assess whether there are any outstanding issues that still require attention, and propose how these should be dealt with. The Gas Quality - June 2017 Update (see Related Documents below) proposes that we allow some time for the new First Gas access arrangements to take shape before arranging a meeting to discuss the paper and any issues arising out of those new arrangements. 

Although the paper is not a formal consultation paper, as always, we welcome any feedback from stakeholders. Please email your feedback to

Earlier documents mentioned above can also be found in the Background section of this Work Programme.

Page last saved: July 12, 2017
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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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