As the owner of the key natural gas transmission pipeline linking critical industries with gas supplies in the north west, we are required to operate the pipeline under an Access Arrangement approved by the Economic Regulation Authority (ERA) of Western Australia.

The National Gas Law (NGL) and National Gas Rules (NGR) provide the framework for independent regulation of certain gas pipelines in Western Australia.

The ERA is responsible for regulating the NGL and NGR framework, including the approval of Access Arrangements every five years.

Access Arrangements are a key part of the framework, providing detail of the terms and conditions under which a third party can gain access to the pipeline. These include the:

  • price paid for pipeline services (e.g. tariffs);
  • capital and operating expenditures allowed during the Access Arrangement period; and
  • allowed return to finance investments.

Copies of our current and past Access Arrangements are available on our Access Arrangements page.

The next Access Arrangement will cover the period from 2021-25. We lodged our Final Pan with the Economic Regulation Authority on 02 January 2020. Our Final Plan and supporting information:

Five Year Plan for the DBNGP (2021 – 2025) in full

Five Year Plan for the DBNGP (2021 – 2025) – Fact Sheet

Five Year Plan for the DBNGP (2021 – 2025) – Customer Overview

We engaged extensively with customers and other stakeholders to help shape and inform our plans. More information about our Customer and Stakeholder Engagement program is available on our online engagement platform, Gas Matters.

The ERA will undertake a consultation process before making its expected Draft and Final decisions later in 2020. More information is available at www.erawa.com.au.

The framework also allows customers to negotiate access that is more appropriate to their needs. At AGIG we often work with our customers to reach agreements that provide tailored access and services on the pipeline. More information about accessing capacity on the pipeline, including a public register of spare capacity, can be found on our Customer Access page.


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