Market Notices

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: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 17/03/2024 16:32 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations

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: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 17/03/2024 16:24

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 115668

Auto-generated on behalf of Manager NEM Real Time Operations

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: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 17/03/2024 15:23 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations

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: 1520 hrs 17/03/2024 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 16/03/2024

Refer Market Notice 115662

The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 17/03/2024

Manager NEM Real Time Operations

Change Number: CHG0086275
Notification issued to: Market Notice

Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: eMDM Production Maintenance AKS v1.27 upgrade

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 16/03/2024

A planned outage of Red Cliffs - Buronga 0X1 220 kV Line in the Vic region was scheduled from 0500 hrs 16/03/2024 to 1900 hrs 16/03/2024.

The outage has been completed and returned to service at 1655 hrs 16/03/2024.

Constraint set(s) revoked:
I-BURC

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
V-SA
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 16/03/2024

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 1705 hrs on 16/03/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 13/03/2024

Refer Market Notice 115613

The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 16/03/2024

Manager NEM Real Time Operations