Market events
The following reports document any events in the GSH market, as well as AEMO’s response to the event.
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24/11/2025
GSH event report: 30 September 2025
A report on transactions in error that occurred due to a system malfunction during AEMO pre-production testing
484.88 KB -
19/11/2020
GSH event report: 13 August 2020
A report into the GSH market suspension on 13 August 2020
229.2 KB -
30/05/2019
GSH event report: Failure to complete Delivery Netting
A report into the failure to complete Delivery Netting on 28 February 2019.
210.46 KB