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118485RECLASSIFY CONTINGENCY27/09/2024 03:50:02 PM
Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 27/09/2024 15:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: QLD1
Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 27/09/2024 15:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
118484RECLASSIFY CONTINGENCY27/09/2024 03:50:07 PM
Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 27/09/2024 15:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: QLD1
Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 27/09/2024 15:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
118422RECLASSIFY CONTINGENCY24/09/2024 02:53:49 PM
Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024
Refer to MN 117734
Based on advice from the asset owner, AEMO no longer considers the trip of Golden Plains No. 1 220 kV bus as a credible contingency event.
Therefore AEMO cancels the reclassification as a credible contingency event from 1450 hrs 24/09/2024.
Constraint Set revoked: NIL
Manager NEM Real Time Operations
Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024
Refer to MN 117734
Based on advice from the asset owner, AEMO no longer considers the trip of Golden Plains No. 1 220 kV bus as a credible contingency event.
Therefore AEMO cancels the reclassification as a credible contingency event from 1450 hrs 24/09/2024.
Constraint Set revoked: NIL
Manager NEM Real Time Operations
118413NON-CONFORMANCE24/09/2024 09:50:12 AM
NON-CONFORMANCE Region QLD1 Tuesday, 24 September 2024
AEMO ELECTRICITY MARKET NOTICE
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
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
118398RECLASSIFY CONTINGENCY23/09/2024 12:53:03 PM
Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
AEMO ELECTRICITY MARKET NOTICE
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
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
118393RECLASSIFY CONTINGENCY23/09/2024 09:50:10 AM
Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
AEMO ELECTRICITY MARKET NOTICE
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
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
118389NON-CONFORMANCE23/09/2024 05:45:14 AM
NON-CONFORMANCE Region QLD1 Monday, 23 September 2024
AEMO ELECTRICITY MARKET NOTICE
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 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
118360NON-CONFORMANCE21/09/2024 07:20:17 PM
NON-CONFORMANCE Region NSW1 Saturday, 21 September 2024
AEMO ELECTRICITY MARKET NOTICE
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 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
118355NON-CONFORMANCE21/09/2024 11:35:22 AM
NON-CONFORMANCE Region QLD1 Saturday, 21 September 2024
AEMO ELECTRICITY MARKET NOTICE
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
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