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Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 27/11/2024 13:30 until further notice
Constraint set(s) invoked:
NONE
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Update - Foreseeable AEMO intervention in SA region
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 121059
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0830 hrs 28/11/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 27/11/2024, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 due to Lightning.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Duration: 27/11/2024 13:13 until further notice
Constraint set(s) invoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
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Direction - NSW region 27/11/2024
Direction - NSW region 27/11/2024
In accordance with clause 4.8.9(a)(1) of the National Electricity Rules, AEMO has issued a direction to a participant in the NSW region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
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 1335 hrs on 27/11/2024.
Intervention pricing does not apply to this AEMO intervention event.
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.
Manager NEM Real Time Operations
Direction - NSW region to Iberdrola Australia Wallgrove Pty Limited - WALLGROVE BESS
Direction - NSW region to Iberdrola Australia Wallgrove Pty Limited - WALLGROVE BESS
Refer to Market Notice 121070.
In accordance with clause 4.8.9(a)(1) of the National Electricity Rules, AEMO is issuing a direction to Iberdrola Australia Wallgrove Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: Iberdrola Australia Wallgrove Pty Limited - WALLGROVE BESS at 1330 hrs 27/11/2024
Type of resource: bi-directional unit
Required actions: Maintain 59 MWh Energy Storage Level and follow dispatch targets at 1430 hrs 27/11/2024
Services provided: Reserve
Circumstances necessitating the Direction: Reliability
Circumstances necessitating the Direction additional detail: intervention is required to maintain the reliability standard
Expected duration: 1900 hrs 27/11/2024.
Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0700 hrs 28/11/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 27/11/2024 11:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 121027
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INTENTION TO IMPLEMENT an AEMO INTERVENTION EVENT WITH RERT
AEMO Intervention Event, Reliability and Emergency Reserve Trader (RERT) - NSW1 Region - 27/11/2024
Refer to AEMO Electricity Market Notice no. 121038.
AEMO has entered into a reserve contract and may implement a AEMO Intervention Event by dispatching that reserve contract to maintain the power system in a Reliable operating state during the following period of time;
14:30 to 20:30 hrs 27/11/2024
If reserve is required, the period of activation or dispatch will be within this period, but may not be for all the entire period.
AEMO will issue a further advice if the reserve contract is dispatched/activated.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS1
Lines: Palmerston - Hadspen 3 & 4 110kV and
Cancellation time: 27/11/2024 10:19
Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 121030
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