This morning the AEMO published two successive market notices requesting generator recall information in QLD and NSW for this coming Thursday, the 14th December 2023. These market notices suggest that tight supply-demand is expected in those two regions on Thursday.
A generator recall information request is a procedure undertaken by the AEMO used in foreseeable circumstances where they may be required to intervene in the market. During this process, Scheduled Generators are notified to provide details of any additional capacity that can be made available (i.e. “recalled”), and the associated time needed to make this capacity available (i.e. “recall time”). If there is no market response, this information is used to determine the latest time in which the AEMO would be able to intervene. Further information about this procedure can be found in the AEMO’s Guide to Generator Recall Plans.
The initial request for the NSW region was contained in market notice 112200 published at 11:01am this morning (NEM time):
MARKET NOTICE 112200
________________________________________________________________________________________________Notice ID 112200
Notice Type ID RECALL GEN CAPACITY
Notice Type Description MARKET
Issue Date Tuesday, December 12, 2023
External Reference Request for Generator Recall Information for 14/12/2023 for NSW Region
________________________________________________________________________________________________AEMO ELECTRICITY MARKET NOTICE
Refer to AEMO Electricity Market Notice no. 112198.
Please provide Generator Recall Information for the period 14/12/2023, by 1200 hrs on 13/12/2023 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.
SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdfProcedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdfAEMO Operations
Which was soon after followed by market notice 112201 for the QLD region:
MARKET NOTICE 112201
________________________________________________________________________________________________Notice ID 112201
Notice Type ID RECALL GEN CAPACITY
Notice Type Description MARKET
Issue Date Tuesday, December 12, 2023
External Reference Request for Generator Recall Information for 14/12/2023 for QLD Region
________________________________________________________________________________________________AEMO ELECTRICITY MARKET NOTICE
Refer to AEMO Electricity Market Notice no. 112198. Additional generation in QLD could assist in alleviating the forecast LOR condition in NSW.
Please provide Generator Recall Information for the period 14/12/2023, by 1200 hrs on 13/12/2023 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.
SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdfProcedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdfAEMO Operations
Meanwhile, I can see that a LOR2 condition is currently forecast for NSW between 15:30 and 20:00 on Thursday. The screenshot below shows how this forecast has evolved and been upgraded from an LOR1 over the past 24 hours.
Source: ez2view’s Forecast Convergence widget
An LOR1 condition has also been forecast for the QLD region over a similar time frame, but as of 11am this morning this has been downgraded and no LOR condition is currently forecast at the time of writing.
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