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Significant power system event - 13 Feb 2024
Significant power system event - 13 Feb 2024
At 1308 hrs 13/02/2024 a significant power system event occurred.
Description of event - Multiple tripping of generation and transmission lines in the Vic region
Transmission element(s) tripped - Moorabool Sydenham No1 and No2 500 kV lines tripped
Region/s - Vic
Load interrupted - in excess of 1000 MW
Generation volume tripped - 2300 MW
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Direction - SA region 12/02/2024
Direction - SA region 12/02/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1705 hrs on 12/02/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 13/02/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 114528 is cancelled at 1445 hrs 12/02/2024.
Manager NEM Real Time Operations
Update - Possible intervention to manage power system security in SA region
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 114527
The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 13/02/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 12/02/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 13/02/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1700 hrs 13/02/2024 to 1830 hrs 13/02/2024.
The forecast capacity reserve requirement is 1224 MW.
The minimum capacity reserve available is 1098 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
Possible intervention to manage power system security in South Australia (SA) Region
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0630 hrs 13/02/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 13/02/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 114503 is cancelled at 0300 hrs 12/02/2024
[No LOR2 condition is currently forecast in the STPASA period.]
Manager NEM RTO
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 13/02/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 114495 has been updated at 1430 hrs 11/02/2024 to the following:
[1.] From 1600 hrs 13/02/2024 to 1630 hrs 13/02/2024.
The forecast capacity reserve requirement is 1211 MW.
The minimum capacity reserve available is 1122 MW.
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
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 04/02/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 04/02/2024
Refer Market Notice 114245
The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs 11/02/2024
Manager NEM Real Time Operations