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Update - Foreseeable AEMO intervention in SA region
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 117346
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2200 hrs 15/07/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 15/07/2024, AEMO may need to intervene by issuing a direction.
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 2230 hrs 15/07/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 13/07/2024 16:44
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 117340
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 13/07/2024 15:41 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
Load Shedding Direction in the NSW Region
Load Shedding Direction in the NSW Region
AEMO has directed load shedding commencing at 1817 hrs 08/07/2024
in the NSW region
to maintain power system security.
The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 05/07/2024
Cancellation - AEMO Intervention Event - SA region 05/07/2024
Refer to Market Notice 117295
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs on 07/07/2024.
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 117310
Direction is cancelled from: 1400 hrs 07/07/2024
Manager NEM Real Time Operations
Update - Direction - SA Region - 05/07/2024
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 117303
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1400 hrs 07/07/2024.
The direction update is issued at 1300 hrs 07/07/2024.
Manager NEM Real Time Operations
Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 117306 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 2300 hrs 06/07/2024.
Constraint set revoked: I-VS_250
Manager NEM Real Time Operations