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113239RECLASSIFY CONTINGENCY13/01/2024 04:29:30 PM
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 13/01/2024 16:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 113237
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 13/01/2024 16:29
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 113237
Auto-generated on behalf of Manager NEM Real Time Operations
113238MARKET INTERVENTION13/01/2024 05:16:08 PM
Update - Direction - SA Region - 12/01/2024
AEMO ELECTRICITY MARKET NOTICE
Update - Direction - SA Region - 12/01/2024
Refer Market Notice 113227
The AEMO intervention event that commenced from interval ending 1605 hrs on 12/01/2024 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Update - Direction - SA Region - 12/01/2024
Refer Market Notice 113227
The AEMO intervention event that commenced from interval ending 1605 hrs on 12/01/2024 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
113237RECLASSIFY CONTINGENCY13/01/2024 01:26:55 PM
Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 13/01/2024 13:26 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 13/01/2024 13:26 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
113229RECLASSIFY CONTINGENCY13/01/2024 12:38:59 AM
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: 13/01/2024 0045 hrs 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: 13/01/2024 0045 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
113228RECLASSIFY CONTINGENCY12/01/2024 05:06:28 PM
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 12/01/2024
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 12/01/2024
Based on advice from the asset owner, AEMO has declared the simultaneous trip of Units 1,2,3 and 4 at Kareeya Power Station as a credible contingency event.
AEMO considers the simultaneous trip of Units 1,2,3 and 4 to now be more likely.
AEMO has reclassified this as a credible contingency event from 1700 hrs 12/01/2024 until further notice.
Constraint set(s) invoked: None
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event to a Credible Contingency Event: Kareeya Power Station in Queensland Region 12/01/2024
Based on advice from the asset owner, AEMO has declared the simultaneous trip of Units 1,2,3 and 4 at Kareeya Power Station as a credible contingency event.
AEMO considers the simultaneous trip of Units 1,2,3 and 4 to now be more likely.
AEMO has reclassified this as a credible contingency event from 1700 hrs 12/01/2024 until further notice.
Constraint set(s) invoked: None
Manager NEM Real Time Operations
113227MARKET INTERVENTION12/01/2024 04:01:57 PM
Direction - SA region 12/01/2024
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 12/01/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1605 hrs on 12/01/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 12/01/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1605 hrs on 12/01/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
113224MARKET INTERVENTION12/01/2024 01:59:22 PM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 10/01/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 10/01/2024
Refer Market Notice 113188
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 12/01/2024
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 10/01/2024
Refer Market Notice 113188
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 12/01/2024
Manager NEM Real Time Operations
113222MARKET INTERVENTION12/01/2024 01:31:48 PM
Update - Possible intervention to manage power system security in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 113219
The synchronous generating units currently expected to be synchronised in SA from 0030 hrs 13/01/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 12/01/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 113219
The synchronous generating units currently expected to be synchronised in SA from 0030 hrs 13/01/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 12/01/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
113219MARKET INTERVENTION12/01/2024 09:00:41 AM
Possible intervention to manage power system security in South Australia (SA) Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0030 hrs 13/01/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0030 hrs 13/01/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations