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115730MARKET INTERVENTION21/03/2024 03:48:05 PM
Direction - SA region 21/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 21/03/2024
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 1550 hrs on 21/03/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 21/03/2024
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 1550 hrs on 21/03/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
115727MARKET INTERVENTION21/03/2024 03:16:50 PM
Possible intervention to manage power system security in SA region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in SA region
The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 22/03/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1545 hrs 21/03/2024, 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
Possible intervention to manage power system security in SA region
The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 22/03/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1545 hrs 21/03/2024, 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
115725NON-CONFORMANCE21/03/2024 09:10:21 AM
NON-CONFORMANCE Region NSW1 Thursday, 21 March 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 21 March 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: BW02
Duration: 21/03/2024 06:50 to 21/03/2024 09:10
Amount: 22 MW
Constraint: NC-N_BW02
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 21 March 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: BW02
Duration: 21/03/2024 06:50 to 21/03/2024 09:10
Amount: 22 MW
Constraint: NC-N_BW02
Auto-generated on behalf of Manager NEM Real Time Operations
115724NON-CONFORMANCE20/03/2024 07:25:13 PM
NON-CONFORMANCE Region QLD1 Wednesday, 20 March 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Wednesday, 20 March 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: WANDBG1, WANDBL1
Aggregate Dispatch Group: WANDBESS_ADG1
Duration: 20/03/2024 18:30 to 20/03/2024 19:25
Amount: -42 MW
Constraint: NC-Q_WANDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Wednesday, 20 March 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: WANDBG1, WANDBL1
Aggregate Dispatch Group: WANDBESS_ADG1
Duration: 20/03/2024 18:30 to 20/03/2024 19:25
Amount: -42 MW
Constraint: NC-Q_WANDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
115723INTER-REGIONAL TRANSFER20/03/2024 05:25:36 PM
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
At 1830 hrs 20/03/2024 there will be a short notice outage of Palmerston - Hadspen No2 220 kV Line.
The following constraint set invoked at 1830 hrs 20/03/2024
T-HAPM_220
This constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
At 1830 hrs 20/03/2024 there will be a short notice outage of Palmerston - Hadspen No2 220 kV Line.
The following constraint set invoked at 1830 hrs 20/03/2024
T-HAPM_220
This constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115719MARKET INTERVENTION20/03/2024 04:00:35 PM
Update - Direction - SA Region - 18/03/2024
AEMO ELECTRICITY MARKET NOTICE
Update - Direction - SA Region - 18/03/2024
Refer Market Notice 115688
The AEMO intervention event that commenced from interval ending 1605 hrs on 18/03/2024 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 - 18/03/2024
Refer Market Notice 115688
The AEMO intervention event that commenced from interval ending 1605 hrs on 18/03/2024 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
115716MARKET SYSTEMS20/03/2024 07:28:41 AM
CHG0085822 | Completed | Pre-Production | Pre-Prod MSATS Lifecycle Maintenance
Change Number: CHG0085822
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
115715RECLASSIFY CONTINGENCY19/03/2024 08:39:10 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: 19/03/2024 20:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 115707
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: 19/03/2024 20:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 115707
Auto-generated on behalf of Manager NEM Real Time Operations
115714RECLASSIFY CONTINGENCY19/03/2024 08:04:04 PM
Cancellation of Reclassification of a Non-Credible Contingency Event: Tully - Cardwell No.7389 132 kV Line and Ross - Woree No. 8905 275 kV Line
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tully - Cardwell No.7389 132 kV Line and Ross - Woree No. 8905 275 kV Line
Cancellation time: 19/03/2024 20:00
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 115713
Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Tully - Cardwell No.7389 132 kV Line and Ross - Woree No. 8905 275 kV Line
Cancellation time: 19/03/2024 20:00
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 115713
Manager NEM Real Time Operations