Exchange Agreement and Guides
Exchange agreement and market requirements
The GSH exchange agreement outlines the terms and conditions that govern participation in the GSH. It was developed in close consultation with industry and government stakeholders.
Each participant must accede to the membership agreement and agree to be bound by the rules and associated terms and conditions.
Gas Supply Hub exchange agreement v15.21.88 MB
The contract that signifies accession to the exchange agreement. This must be signed to participate in the GSH.32.75 KB
Gas Supply Hub benchmark price methodology v4.0
The methodology used to calculate the end-of-day (EOD) benchmark price.293.21 KB
Gas Supply Hub exchange fees
The fees paid by each category of GSH participant.546.36 KB
Gas Supply Hub interface protocol
The protocol governing the establishment and maintenance of an interface between member systems and the GSH trading system.278.6 KB
The following guides provide an overview of the GSH, including the daily trading timetable.
Gas Supply Hub industry guide v6.0
An overview of the frameworks, processes and activities of the GSH.2.06 MB
An end-to-end example demonstrating the participants, processes and transactions relating to a trade in the GSH.878.71 KB
GSH Trading Timetable
Gas day trading hours and windows for each product on the exchange.200.79 KB