Market Notices

126434SETTLEMENTS RESIDUE07/04/2025 08:00:25 PM

[EventId:202504072000_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 07 April 2025 20:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2000 hrs on 7 April 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 7 April 2025.

Refer to market notice: 126420

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 2000 hrs on 7 April 2025.

This is an AEMO autogenerated Market Notice.
     
126420SETTLEMENTS RESIDUE07/04/2025 05:00:27 PM

[EventId:202504071700_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 07 April 2025 17:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1700 hrs on 7 April 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 7 April 2025.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1700 hrs on 7 April 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
126417MARKET SYSTEMS07/04/2025 11:30:55 AM

Create Market Notice - Inital - CHG0102537 - NOR Pre-Prod GFRC will have scheduled maintenance works outage from 9.00am Wednesday 9 April until 12pm (EST)

Change Number: CHG0102537

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Windows Server
Change Title: NOR Pre-Prod GFRC will have scheduled maintenance works outage from 9.00am Wednesday 9 April until 12pm (EST)
Change Start Date & Time: 09/04/2025 09:00:00
Change End Date & Time: 09/04/2025 12:00:00
Outage Start Date & Time: 09/04/2025 09:00:00
Outage End Date & Time: 09/04/2025 12:00:00
Environment: Pre-Production
Participant Impact and Requirements: Services may be unavailable while maintenance is in progress

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities .
     
126401SETTLEMENTS RESIDUE06/04/2025 08:30:25 PM

[EventId:202504062030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 06 April 2025 20:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2030 hrs on 6 April 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 April 2025.

Refer to market notice: 126390

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 2030 hrs on 6 April 2025.

This is an AEMO autogenerated Market Notice.
     
126390SETTLEMENTS RESIDUE06/04/2025 05:50:25 PM

[EventId:202504061750_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 06 April 2025 17:50

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1750 hrs on 6 April 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 April 2025.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1750 hrs on 6 April 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
126381RECLASSIFY CONTINGENCY06/04/2025 01:59:40 PM

Cancellation of a Non-Credible Contingency Event: Kamerunga - Barron Gorge 7184 132kV line and Kamerunga - Barron Gorge 7143 132kV 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: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV

Cancellation time: 06/04/2025 13:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126379

Auto-generated on behalf of Manager NEM Real Time Operations
     
126379RECLASSIFY CONTINGENCY06/04/2025 12:55:10 PM

Reclassification of a Non-Credible Contingency Event: Kamerunga - Barron Gorge 7184 132kV line and Kamerunga - Barron Gorge 7143 132kV 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: Kamerunga - Barron Gorge 7184 132kV and Kamerunga - Barron Gorge 7143 132kV

Duration: 06/04/2025 12:55 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
126376RECLASSIFY CONTINGENCY06/04/2025 02:19:40 AM

Cancellation of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Cancellation time: 06/04/2025 02:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 126375

Auto-generated on behalf of Manager NEM Real Time Operations
     
126375RECLASSIFY CONTINGENCY06/04/2025 01:15:05 AM

Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line 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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Duration: 06/04/2025 01:15 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
X
Cookies help us improve your website experience.
By using our website, you agree to our use of cookies.
Confirm