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NON-CONFORMANCE Region QLD1 Tuesday, 24 September 2024
NON-CONFORMANCE QLD1 Region Tuesday, 24 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: KSP1
Duration: 24/09/2024 09:20 to 24/09/2024 09:50
Amount: 48 MW
Constraint: NC-Q_KSP1
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Refer to MN 118393
Based on advice from the asset owner, AEMO no longer considers the simultaneous trip of Eraring Power Station Units 2 and 4 as a credible contingency event.
Therefore AEMO cancels the reclassification as a credible contingency event from 1250 hrs 23/09/2024.
Constraint set N-ERARING_N-2 revoked from 1250 hrs 23/09/2024
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Based on advice from the asset owner, AEMO has declared the simultaneous trip of Eraring Power Station Units 2 and 4 as a credible contingency event.
AEMO considers the simultaneous trip of those generators to now be more likely.
AEMO has reclassified this as a credible contingency event from 1000 hrs 23/09/2024.
To manage power system security constraint set N-ERARING_N-2 invoked from 1000 hrs 23/09/2024 until further notice.
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Monday, 23 September 2024
NON-CONFORMANCE QLD1 Region Monday, 23 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: W/HOE#2
Duration: 23/09/2024 05:30 to 23/09/2024 05:45
Amount: -165 MW
Constraint: NC-Q_W/HOE#2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Saturday, 21 September 2024
NON-CONFORMANCE NSW1 Region Saturday, 21 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 21/09/2024 15:00 to 21/09/2024 19:20
Amount: 7 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Saturday, 21 September 2024
NON-CONFORMANCE QLD1 Region Saturday, 21 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MOUSF1
Duration: 21/09/2024 10:55 to 21/09/2024 11:35
Amount: 81 MW
Constraint: NC-Q_MOUSF1
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 21/09/2024 00:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118345
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of Reclassification of a Non-Credible Contingency Event: Gordon - Chapel Street No.1 and No.2 220 kV lines 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: TAS
Lines: Gordon - Chapel Street No.1 and No.2 220 kV lines
Cancellation time: 0020 hrs 21/09/2024
Constraint sets revoked: F-T-CSGO and T-CSGO_N-2
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV 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: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV
Cancellation time: 21/09/2024 00:09
Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Refer AEMO Electricity Market Notice 118347
Auto-generated on behalf of Manager NEM Real Time Operations