APA owns and operates the South East South Australia Pipeline. 


The 45 kilometre South East South Australia (SESA) Pipeline is a transmission pipeline that supplies natural gas from the SEA Gas Pipeline at Poolaijelo to Epic Energy SA’s South East Pipeline System (SEPS) at Katnook, near Penola and to the Australian Gas Networks’ distribution network, at Ladbroke Grove. The SEPS pipeline travels 70 kilometres to Snuggery, near Millicent, and Australian Gas Network’s gas distribution network in Mount Gambier.

A diagram of the SESA Pipeline can be found here, showing:

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


Regulatory Status

The SESA Pipeline is a non-scheme pipeline

Capacity and Services

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

  • Firm Transport
  • Interruptible Transport
  • Operational Capacity Transfer

A description of these services, including the Standard Gas Transportation Agreement (SGTA) can be found on the gas transmission services page.

Relevant tariffs for these standard services can be found on the current tariffs and terms page.

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

Notes on services

Firm services are available over varying terms as set out on the gas transmission services page.    

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

Service Usage Information 

Service usage information report

Service Availability Information 36-month uncontracted capacity outlook

12-month capacity outlook

Policies, Procedures and Requirements

Metering and Measurement

Metering and Measurement obligations are outlined in APA’s Standard Gas Transportation Agreement 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 commercial.contracts@apa.com.au.

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 useraccessrequest@apa.com.au.