Map of Moomba Sydney Pipeline

APA owns and operates the Moomba Sydney Pipeline system.


The Moomba Sydney Pipeline (MSP) system is a transmission pipeline system. It consists of a mainline and various laterals as follows:

  • a 1,300-kilometre bi-directional pipeline between Moomba and Wilton
    • non-scheme between Moomba and Marsden
    • scheme (light regulation) between Marsden and Wilton
  • a 58-kilometre scheme pipeline (light regulation) from Dalton to Canberra
  • a 245-kilometre scheme pipeline (light regulation) from Young to Lithgow and Bathurst
  • a 131-kilometre bi-directional scheme pipeline (light regulation) between Young and Wagga Wagga
  • a 179-kilometre scheme pipeline (light regulation) from Burnt Creek (on the pipeline between Young and Wagga Wagga) to Griffith
  • an 88-kilometre non-scheme bi-directional interconnect pipeline between Culcairn and Wagga Wagga (which connects to the Victorian Transmission System at Culcairn)

A diagram of the MSP can be found here, showing:

  • pipeline capacity,
  • details of receipt and delivery points,
  • key facilities connected to the pipeline, and
  • technical and physical characteristics of the pipeline.
APA ownership


Regulatory status

Part of the MSP mainline and some connecting lateral pipelines are scheme pipelines (as described above) under the access regime of the National Gas Law and the National Gas Rules, and provide light regulation services.


Australian Energy Regulator

Next regulatory review

Not applicable. Light access regulation has no explicit review dates.

Capacity and Services

The following standard services are offered on the MSP, subject to available capacity:

Firm Transport

Interruptible Transport


Firm Park

Interruptible Park

In Pipe Trade

Firm Loan

Interruptible Loan

Operational Capacity Transfer

A description of these services, including the Standard Gas Transportation Agreement (SGTA) can be found on the gas transmission services - east coast and central region page.

Relevant tariffs for these standard services can be found on the current tariffs and terms - east coast and central region page.

Non-standard services or alternative terms may be available by negotiation.

The MSP capacity register can be found here.

Notes on services
Firm services are available over varying terms as set out on the gas transmission services - east coast and central region page.    

Interruptible services are only available while the pipeline is fully contracted in respect of the corresponding firm service.

APA is progressively rolling out Operational Capacity Transfer service capability on all key pipelines. APA will prioritise this service rollout in accordance with shipper demand.

Service availability information

36-month uncontracted capacity outlook

12-month capacity outlook

Notes on available capacity
The amount of firm park or loan capacity available may be different to the amount of firm transport capacity on the pipeline that is reported in the 36-month uncontracted capacity outlook.

Policies, procedures and requirements

Metering and Measurement

Metering and Measurement obligations are outlined in APA’s SGTA, and for this pipeline are set out here.

Gas Specification

APA requires the Gas Specification or any other quality to comply with the relevant Australian Standard (AS 4564). APA will measure and/or monitor gas quality in accordance with relevant obligations under contract. Quality obligations are outlined in APA’s SGTA.

Credit support

APA has minimum credit support requirements that are a pre-condition to gaining access to pipeline services. APA’s credit support requirements are set out here.


If you are interested in acquiring services for this pipeline, you can contact us on 07 3323 6110 to discuss your requirements. Alternatively, you may wish to email us at

We encourage potential customers to contact APA early when considering their gas supply and transport needs. Early discussion of needs improves the likelihood that APA can tailor services to meet them.

Formal Access Request

For APA's non-scheme pipelines, you have a right to make a Formal Access Request pursuant to Rule 559 of the National Gas Rules. Lodging a Formal Access Request triggers a formal process of Access Offer and information exchange between APA and the potential customer. Details are in APA's User Access Guide.

Potential customers do not have to submit a Formal Access Request to gain access to an APA pipeline.

You can make a Formal Access Request by completing in full the relevant User Access Request Form for this pipeline and emailing it to Complete this User
Access Request Form for Moomba to Marsden and this User Access Request Form for the Interconnect.