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STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/02/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 115130 has been updated at 1100 hrs 26/02/2024 to the following:
From 1630 hrs to 1830 hrs 29/02/2024.
The forecast capacity reserve requirement is 1050 MW.
The minimum capacity reserve available is 230 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.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/02/2024
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:
From 1700 hrs to 1800 hrs 29/02/2024.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 678 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.
AEMO Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/02/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 115063 is cancelled at 0230 hrs 24/02/2024
No LOR2 condition is currently forecast in the STPASA period.
Manager NEM RTO
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/02/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:
[1.] From 1630 hrs 29/02/2024 to 1800 hrs 29/02/2024.
The forecast capacity reserve requirement is 750 MW.
The minimum capacity reserve available is 650 MW.
[2.] From 1830 hrs 29/02/2024 to 1900 hrs 29/02/2024.
The forecast capacity reserve requirement is 1050 MW.
The minimum capacity reserve available is 1050 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
Update: Significant power system event - Victoria Region - Hazelwood transformers and Hazelwood PS - Jeeralang No 2 220kV -13/02/2024
Update - Significant power system event - 13/02/2024
Refer AEMO Electricity Market Notices 114685
At 1247 hrs 15/02/2024 the Hazelwood PS - Jeeralang No 2 220kV line was returned to service in the Victoria region
All of the equipment has now been returned to service.
The cause of this significant power system event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update: Significant power system event - Victoria Region - Hazelwood transformers -13/02/2024
At 1827 hrs 13/02/2024 At Hazelwood terminal station in the Victoria region, the following plant was returned to service.
The No1 500 kV / 220 kV transformer
The No2 500 kV / 220 kV transformer
The No3 500 kV / 220 kV transformer
The No4 500 kV / 220 kV transformer
The Jeeralang - Hazelwood No 2 220kV line remains out of service.
Refer to Network outage scheduler (NOS) for further details.
Refer Market notice 114641 and 114643
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Significant power system event - Victoria Region - Hazelwood transformers -13/02/2024
At 1543 hrs 13/02/2024 At Hazelwood terminal station in the Victoria region the following plant tripped.
The No1 500 kV / 220 kV transformer
The No2 500 kV / 220 kV transformer
The No3 500 kV / 220 kV transformer
The No4 500 kV / 220 kV transformer
The Jeeralang Hazelwood No2 220kV line.
Refer Market notice 114641
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
Non-credible contingency event - TAS region - 13/02/2024
Non-credible contingency event - TAS region - 13/02/2024
At 1602 hrs the Norwood -Scottsdale 110kV line and the Norwood - Scottsdale -Derby 110kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised 8MW of electrical load and 24MW of generation has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Significant power system event - Victoria region - 13/02/2024
At 1308 hrs 13/02/2024 the Moorabool Sydenham No1 and No2 500 kV lines tripped.
There have been reports of towers on the ground.
In the Victorian region
1000 MW of customer load lost during the fault has been restored
2690 Generation tripped
The AEMO instructed loadshed of 300 MW is being progressively restored.
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