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70874RECLASSIFY CONTINGENCY01/11/2019 06:02:18 PM
Reclassification 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.
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: TAS1
Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV
Duration: 01/11/2019 18:02 until further notice
Constraint set(s) invoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
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: TAS1
Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV
Duration: 01/11/2019 18:02 until further notice
Constraint set(s) invoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Auto-generated on behalf of Manager NEM Real Time Operations
70873RECLASSIFY CONTINGENCY01/11/2019 06:02:18 PM
Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 01/11/2019 18:02 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 01/11/2019 18:02 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
70872RECLASSIFY CONTINGENCY01/11/2019 05:24:55 PM
Cancellation of a Non-Credible Contingency Event: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV line and Goonyella - Newlands No. 7155 132 kV 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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV
Cancellation time: 01/11/2019 17:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 70871
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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV
Cancellation time: 01/11/2019 17:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 70871
Auto-generated on behalf of Manager NEM Real Time Operations
70871RECLASSIFY CONTINGENCY01/11/2019 04:20:22 PM
Reclassification of a Non-Credible Contingency Event: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV line and Goonyella - Newlands No. 7155 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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV
Duration: 01/11/2019 16:20 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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV
Duration: 01/11/2019 16:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
70870RECLASSIFY CONTINGENCY01/11/2019 03:57:44 PM
Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
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: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: 1550 hrs 01/11/2019 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 severe weather warning.
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: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: 1550 hrs 01/11/2019 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
70869RECLASSIFY CONTINGENCY01/11/2019 03:57:19 PM
Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
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: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 1550 hrs 01/11/2019 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 severe weather warning.
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: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 1550 hrs 01/11/2019 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
70868NON-CONFORMANCE01/11/2019 02:05:12 PM
NON-CONFORMANCE Region QLD1 Friday, 1 November 2019
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Friday, 1 November 2019
AEMO declared a schedule generating unit non-conforming
Unit: CPSA
Duration: 01/11/2019 14:00 to 01/11/2019 14:05
Amount: -15 MW
Constraint: NC-Q_CPSA
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Friday, 1 November 2019
AEMO declared a schedule generating unit non-conforming
Unit: CPSA
Duration: 01/11/2019 14:00 to 01/11/2019 14:05
Amount: -15 MW
Constraint: NC-Q_CPSA
Auto-generated on behalf of Manager NEM Real Time Operations
70867MARKET SYSTEMS01/11/2019 11:59:01 AM
INC0048595:Network connectivity loss affecting multiple services - Update
Please be aware of Incident and its status mentioned below:
Network Service Failure - 31st October 2019
Services Affected
Time of Occurrence of Incident
01/11/2019 11:51:05 AEST
Impact/Status/Requirements
All,
AEMO experienced a network service failure that affected a number of core systems from 10:30 - 16:30 Market Time.
Services affected:
o NOS at Brisbane and Norwest
o Participants being able to bid and re-bid into the market
o TMM and MSATS
o MIBB access
o Loss of the WEM systems
o Bidding system through the Web Portal and FTP.
All systems have been restored and verified overnight as stable.
AEMO are establishing root cause to the incident and will update when this investigation is complete.
If you are experiencing any issues please contact AEMO.
References
Incident Number:
For further details please contact the AEMO Information and Support Hub or on External 1300 236 600.
Network Service Failure - 31st October 2019
Services Affected
Time of Occurrence of Incident
01/11/2019 11:51:05 AEST
Impact/Status/Requirements
All,
AEMO experienced a network service failure that affected a number of core systems from 10:30 - 16:30 Market Time.
Services affected:
o NOS at Brisbane and Norwest
o Participants being able to bid and re-bid into the market
o TMM and MSATS
o MIBB access
o Loss of the WEM systems
o Bidding system through the Web Portal and FTP.
All systems have been restored and verified overnight as stable.
AEMO are establishing root cause to the incident and will update when this investigation is complete.
If you are experiencing any issues please contact AEMO.
References
Incident Number:
For further details please contact the AEMO Information and Support Hub or on External 1300 236 600.
70866MARKET INTERVENTION01/11/2019 06:19:30 AM
Cancellation - AEMO Intervention Event - Intervention price dispatch intervals - Direction SA region 31/10/2019
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention price dispatch intervals - Direction SA region 31/10/2019
Refer Market Notice 70863
The AEMO Intervention Event and all associated directions are cancelled from 0600 hrs 01/11/2019
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention price dispatch intervals - Direction SA region 31/10/2019
Refer Market Notice 70863
The AEMO Intervention Event and all associated directions are cancelled from 0600 hrs 01/11/2019
Manager NEM Real Time Operations