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66481NON-CONFORMANCE20/01/2019 12:05:12 PM
NON-CONFORMANCE Region SA1 Sunday, 20 January 2019
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Sunday, 20 January 2019
AEMO declared a schedule generating unit non-conforming
Unit: PPCCGT
Duration: 20/01/2019 12:00 to 20/01/2019 12:05
Amount: -42 MW
Constraint: NC-S_PPCCGT
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Sunday, 20 January 2019
AEMO declared a schedule generating unit non-conforming
Unit: PPCCGT
Duration: 20/01/2019 12:00 to 20/01/2019 12:05
Amount: -42 MW
Constraint: NC-S_PPCCGT
Auto-generated on behalf of Manager NEM Real Time Operations
66480RECLASSIFY CONTINGENCY19/01/2019 11:04:45 PM
Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 19/01/2019 23:04
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 66474
Auto-generated on behalf of Manager NEM Real Time Operations
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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 19/01/2019 23:04
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 66474
Auto-generated on behalf of Manager NEM Real Time Operations
66479POWER SYSTEM EVENTS19/01/2019 10:18:48 PM
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 19/01/2019
Refer MN 66477 and 66478
At 1938 hrs the Armidale - Tamworth 85 330kV Line tripped at Tamworth end only and the Armidale - Coffs Harbour 96C 132 kV Line tripped.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO therefore cancels the reclassification of this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 19/01/2019
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 19/01/2019
Refer MN 66477 and 66478
At 1938 hrs the Armidale - Tamworth 85 330kV Line tripped at Tamworth end only and the Armidale - Coffs Harbour 96C 132 kV Line tripped.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO therefore cancels the reclassification of this event as a credible contingency event.
Manager NEM Real Time Operations
66478POWER SYSTEM EVENTS19/01/2019 08:30:09 PM
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW Region - 19 Jan 2019
Refer MN 66477
At 1938 hrs the Armidale - Tamworth 85 330kV Line tripped at Tamworth end only and the Armidale - Coffs Harbour 96C 132 kV Line tripped.
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW Region - 19 Jan 2019
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW Region - 19 Jan 2019
Refer MN 66477
At 1938 hrs the Armidale - Tamworth 85 330kV Line tripped at Tamworth end only and the Armidale - Coffs Harbour 96C 132 kV Line tripped.
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Manager NEM Real Time Operations
66477POWER SYSTEM EVENTS19/01/2019 07:55:51 PM
Non-Credible Contingency Event - NSW Region - 19 Jan 2019
AEMO ELECTRICITY MARKET NOTICE.
Non-Credible Contingency Event - NSW Region - 19 Jan 2019
At 1938 hrs the Armidale - Tamworth 85 330kV Line tripped at Tamworth end only and the Armidale - Coffs Harbour 96C 132 kV Line tripped.
Both Lines auto reclosed sucessfully.
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
Non-Credible Contingency Event - NSW Region - 19 Jan 2019
At 1938 hrs the Armidale - Tamworth 85 330kV Line tripped at Tamworth end only and the Armidale - Coffs Harbour 96C 132 kV Line tripped.
Both Lines auto reclosed sucessfully.
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
66476RECLASSIFY CONTINGENCY19/01/2019 07:26:54 PM
Reclassification of a Non-Credible Contingency Event: Murray - Lower Tumut 65 and Murray - Upper Tumut 66 330 kV Lines in NSW due to Bushfire
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire.
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: NSW
Lines: Murray - Lower Tumut 65 330 kV Line and Murray - Upper Tumut 66 330 kV Line
Duration: 1915hrs 19/01/2019 until further notice
Constraint set(s) invoked:
NIL
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire.
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: NSW
Lines: Murray - Lower Tumut 65 330 kV Line and Murray - Upper Tumut 66 330 kV Line
Duration: 1915hrs 19/01/2019 until further notice
Constraint set(s) invoked:
NIL
Manager NEM Real Time Operations
66475NON-CONFORMANCE19/01/2019 05:05:09 PM
NON-CONFORMANCE Region QLD1 Saturday, 19 January 2019
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Saturday, 19 January 2019
AEMO declared a schedule generating unit non-conforming
Unit: GSTONE1
Duration: 19/01/2019 16:55 to 19/01/2019 17:05
Amount: -34 MW
Constraint: NC-Q_GSTONE1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Saturday, 19 January 2019
AEMO declared a schedule generating unit non-conforming
Unit: GSTONE1
Duration: 19/01/2019 16:55 to 19/01/2019 17:05
Amount: -34 MW
Constraint: NC-Q_GSTONE1
Auto-generated on behalf of Manager NEM Real Time Operations
66474RECLASSIFY CONTINGENCY19/01/2019 04:30:50 PM
Reclassification of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Duration: 19/01/2019 16:30 until further notice
Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Duration: 19/01/2019 16:30 until further notice
Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
66473NON-CONFORMANCE19/01/2019 07:20:11 AM
NON-CONFORMANCE Region VIC1 Saturday, 19 January 2019
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Saturday, 19 January 2019
AEMO declared a schedule generating unit non-conforming
Unit: WEMENSF1
Duration: 19/01/2019 06:55 to 19/01/2019 07:20
Amount: -18 MW
Constraint: NC-V_WEMENSF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Saturday, 19 January 2019
AEMO declared a schedule generating unit non-conforming
Unit: WEMENSF1
Duration: 19/01/2019 06:55 to 19/01/2019 07:20
Amount: -18 MW
Constraint: NC-V_WEMENSF1
Auto-generated on behalf of Manager NEM Real Time Operations