This is the pre-production environment and sandbox site.


Through an electronic trading platform, the gas supply hub offers a low-cost, flexible method to buy and sell gas at interconnecting transmission pipelines. Public data files from the gas supply hub (GSH) reporting server are available here.

Historical Trades

The spreadsheet below provides a complete list of all historical trades since the GSH started. It is sorted by Trade Date – the date that the trade occurred.

Daily Files (Public)

  • Daily transaction summary report
    The report provides a summary of all trades executed in the current gas day per product. It provides information on the high/low open/close prices, total traded quantities and number of trades.
  • Historical gas day transaction report
    The report provides a summary of all trades delivered in the current gas day and the last thirty gas days per product location. It provides information on the volume weighted average price, and the total traded quantities.
  • Registered participants
    The report contains the registration details of all participants currently registered in the GSH market..
  • Benchmark price report
    This report provides daily Benchmark prices for the Wallumbilla and South East Queensland trading locations. The report is a daily report which starts generating at 10.30am and is updated and overwritten every 5 minutes with newly calculated non-firm benchmark prices. At the end of the gas day the price becomes firm and a report will be generated with the firm End of Day benchmark price and will not be overwritten.

Gas Supply Hub Weekly Trading Summary Report

This report provides a summary of weekly Gas Supply Hub trading activity and associated market statistics. The report includes week-on-week comparison of Gas Supply Hub traded volumes against the Wallumbilla Benchmark price and the volume-weighted average price, weekly and monthly trading statistics based on trading location and product, gas – powered generation, estimated gas consumption and comparison of the Wallumbilla Benchmark price to a ‘NEM-equivalent gas price’ for South Australia and southern Queensland.

Weekly Trading Summary Report

AEMO has made every effort to ensure the quality of the information in this publication but cannot guarantee that information and assumptions are accurate, complete or appropriate for your circumstances.  This publication does not include all of the information that an investor, participant or potential participant in the Gas Supply Hub or any other gas market might require, and does not amount to a recommendation of any investment or a forecast or representation of future gas transactions or usage. 

Anyone proposing to use the information in this publication (including information and reports from third parties) should independently verify and check its accuracy, completeness and suitability for purpose, and obtain independent and specific advice from appropriate experts.

Accordingly, to the maximum extent permitted by law, AEMO and its officers, employees and consultants involved in the preparation of this publication:

  • make no representation or warranty, express or implied, as to the currency, accuracy, reliability or completeness of the information in this publication; and
  • are not liable (whether by reason of negligence or otherwise) for any statements, opinions, information or other matters contained in or derived from this publication, or any omissions from it, or in respect of a person’s use of the information in this publication.


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