Gas Significant Price Variation Events

Tabs

Graph

Data

Quarter ending	ADL (STTM) (Number of events)	BRI (STTM) (Number of events)	SYD (STTM) (Number of events)	VIC (DWGM) (Number of events)
31/03/2013	0	0	0	0
30/06/2013	1	0	0	0
30/09/2013	0	0	0	0
31/12/2013	0	0	0	0
31/03/2014	0	0	0	0
30/06/2014	0	0	0	0
30/09/2014	0	1	0	0
31/12/2014	0	3	0	0
31/03/2015	0	0	0	0
30/06/2015	0	0	0	0
30/09/2015	0	0	0	0
31/12/2015	0	0	0	0
31/03/2016	0	0	2	0
30/06/2016	1	1	8	2
30/09/2016	6	2	3	1
31/12/2016	1	0	1	1
31/03/2017	0	0	0	0
30/06/2017	0	0	0	0
30/09/2017	0	0	0	0
31/12/2017	0	0	0	1
31/03/2018	0	0	0	0
30/06/2018	0	0	0	0
30/09/2018	0	0	0	0
31/12/2018	0	0	0	0
31/03/2019	0	0	0	0
30/06/2019	0	0	0	0
30/09/2019	0	0	0	0
31/12/2019	0	0	0	0
31/03/2020	0	0	0	0
30/06/2020	0	0	0	0
30/09/2020	0	0	0	0
31/12/2020	0	1	0	0
31/03/2021	0	0	0	0
30/06/2021	0	0	0	0
30/09/2021	1	0	8	0
31/12/2021	0	0	0	0
31/03/2022	0	0	0	0
30/06/2022	12	21	32	1
30/09/2022	0	3	15	0
31/12/2022	0	1	1	0
31/03/2023	0	0	1	0
30/06/2023	0	0	1	0

Information

Sector:

Segment:

Category:

Gas prices

AER reference:

D11/2298801[V6]

Source:

AER; AEMO

Overview:

The AER reports on significant price variations (SPV) in the Short Term Trading Market (STTM) and the Victorian Gas Market.

The following reporting triggers apply to each STTM hub for any gas day:

When there is a variation of greater than $7/GJ between the D-2 price and ex ante price
When there is a variation of greater than $7/GJ between the ex ante and the ex post price
When an ex ante price is greater than three times the 30 day rolling average price and greater than $15/GJ
When an ex post price is greater than three times the 30 day rolling average price and greater than $15/GJ
When daily MOS service payments exceed $250 000

The following reporting triggers apply to the Victorian Gas Market for any gas day:

When the Trade Weighted Market Price published by AEMO on a gas day is more than three times the average price for the previous 30 days and the Trade Weighted Market Price is equal to or greater than $15/GJ
when the Ancillary Payment Amount published by AEMO for a gas day is an amount payable or receivable which exceeds $250 000

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