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Non-credible contingency event - NSW region - 27/06/2024
Non-credible contingency event - NSW region - 27/06/2024
At 0845 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.
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
Possible intervention to manage power system security in SA Region
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 28/06/2024 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
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/06/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/06/2024
Refer Market Notice 117154
The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs 26/06/2024
Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 0800 hrs to 0900 hrs 03/07/2024.
The forecast capacity reserve requirement is 532 MW.
The minimum capacity reserve available is 505 MW.
2. From 1730 hrs to 2030 hrs 03/07/2024.
The forecast capacity reserve requirement is 526 MW.
The minimum capacity reserve available is 496 MW.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
1. From 0800 hrs to 0900 hrs 02/07/2024.
The forecast capacity reserve requirement is 536 MW.
The minimum capacity reserve available is 454 MW.
2. From 1730 hrs to 2130 hrs 02/07/2024.
The forecast capacity reserve requirement is 546 MW.
The minimum capacity reserve available is 414 MW.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 01/07/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 1800 hrs to 2130 hrs 01/07/2024.
The forecast capacity reserve requirement is 514 MW.
The minimum capacity reserve available is 467 MW.
AEMO Operations
Direction - SA region 25/06/2024
Direction - SA region 25/06/2024
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 25/06/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 24/06/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 24/06/2024
Refer Market Notice 117118
The AEMO Intervention Event and all associated directions are cancelled from 1300 hrs 25/06/2024
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 117126
The synchronous generating units currently expected to be synchronised in SA from 2300 hrs 25/06/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 25/06/2024, 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