Market Notices

hange Number: CHG0100700

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Declared Wholesale Gas Market
Change Title: Planned System Maintenance - Declared Wholesale Gas Market (DWGM)
Change Start Date & Time: 18/02/2025 09:00:00
Change End Date & Time: 18/02/2025 21:00:00
Outage Start Date & Time: 18/02/2025 18:30:00
Outage End Date & Time: 18/02/2025 20:30:00
Environment: Production
Participant Impact and Requirements: DWGM market system (Webexchanger and MIBB) outage due to planned maintenance.

The following impacts are expected during the maintenance activities:
- All access to the Declared Wholesale Gas Market Production Systems will be unavailable.

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 .

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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 14/02/2025 12:47 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1235 hrs on 14 February 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 February 2025.

Refer to market notice: 124657

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 1235 hrs on 14 February 2025.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1200 hrs on 14 February 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 14 February 2025.

Refer to market notice: 124656

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

The negative residue constraint NRM_VIC1_SA1 ceased operating at 1200 hrs on 14 February 2025.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1050 hrs on 14 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 February 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 1050 hrs on 14 February 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1015 hrs on 14 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 14 February 2025.

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

The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1015 hrs on 14 February 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

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


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1000 hrs on 14 February 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 14 February 2025.

Refer to market notice: 124653

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

The negative residue constraint NRM_VIC1_SA1 ceased operating at 1000 hrs on 14 February 2025.

This is an AEMO autogenerated Market Notice.

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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 14/02/2025 09:48

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 124651

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0905 hrs on 14 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 14 February 2025.

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

The negative residue constraint set NRM_VIC1_SA1 commenced operating from 0905 hrs on 14 February 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

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


This is an AEMO autogenerated Market Notice.