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Non-credible contingency event - QLD region - 12/12/2024
Non-credible contingency event - QLD region - 12/12/2024
At 2026 hrs the Kamerunga to Barron George 132 kV Line 7184 and the Kamerunga to Barron George 132 kV Line 7141 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 17/12/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 121785 is cancelled at 1500 hrs on 12/12/2024.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 17/12/2024
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
1. From 1530 hrs to 1600 hrs 17/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 54 MW at 1530 hrs.
2. From 1630 hrs to 1730 hrs 17/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 45 MW at 1630 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 17/12/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 121768 is cancelled at 1100 hrs on 12/12/2024.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 17/12/2024
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1530 hrs to 1600 hrs 17/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 60 MW at 1530 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 16/12/2024
The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 121734 has been updated at 0800 hrs 12/12/2024 to the following:
From 1500 hrs to 1930 hrs 16/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 733 MW at 1730 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the NSW Region on 16/12/2024
AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
[1.] From 1530 hrs 16/12/2024 to 1600 hrs 16/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 10 MW at 1530 hrs.
[2.] From 1700 hrs 16/12/2024 to 1830 hrs 16/12/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 106 MW at 1730 hrs.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
Update to system strength requirements in North Queensland
Refer to market notice 106175
AEMO and Powerlink are continuing to investigate system strength requirements in North Queensland.
Due to commissioning of Clarke Creek wind farm in Far North Queensland, the system normal equations have been revised.
A revision to the constraint equations will be implemented at 1100 hrs on Monday 9th December 2024.
The new combinations have now published in a limits advice document on AEMO's website. For more information refer to the new limits advice: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice
This advice contains all the combinations for Queensland for system normal cases. Additional information has been included in the limit advice to clarify the requirement to disconnect all inverters/turbines under certain system conditions.
The constraint equation in the Q-NIL set of the form below will be modified:
-Q_NIL_STRGTH_KBWF
-Q_NIL_STRGTH_MEWF
Two new equations have been added:
-Q_NIL_STRGTH_CKWF
-Q_NIL_STRGTH_CKWF_I
AEMO Operations
STPASA - Update of the suspect Lack Of Reserve Level 3 (LOR3) condition in the NSW Region on 06/12/2024
The suspect LOR3 condition advised in AEMO Electricity Market Notice No. 121292 has been reviewed.
AEMO considers this forecast LOR3 condition invalid. Subsequent STPASA runs are producing valid solutions.
AEMO Operations