Market Notices

122308MINIMUM SYSTEM LOAD20/12/2024 12:58:35 PM

Cancellation of Forecast Minimum System Load MSL2 event in the VIC Region on 22/12/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Forecast MSL2 - VIC Region at 1200 hrs 20/12/2024.

Refer to Market Notice 122305 for MSL2.

AEMO Operations
     
122307SETTLEMENTS RESIDUE20/12/2024 11:30:26 AM

[EventId:202412201130_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 20 December 2024 11:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 20 December 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 December 2024.

Refer to market notice: 122304

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 1130 hrs on 20 December 2024.

This is an AEMO autogenerated Market Notice.
     
122305MINIMUM SYSTEM LOAD20/12/2024 08:53:36 AM

Forecast Minimum System Load (MSL2) condition in the VIC region on 22/12/2024

AEMO ELECTRICITY MARKET NOTICE
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 22/12/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1825 MW
o MSL2 - 1325 MW
o MSL3 - 825 MW

The regional demand is forecast to be below the MSL2 threshold for the following period:

From 1230 hrs 22/12/2024 to 1300 hrs 22/12/2024. Minimum regional demand is forecast to be 1284 MW at 1300 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .

AEMO Operations
     
122304SETTLEMENTS RESIDUE20/12/2024 08:05:22 AM

[EventId:202412200805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 20 December 2024 08:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0805 hrs on 20 December 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 December 2024.

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 0805 hrs on 20 December 2024.

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.
     
122289MINIMUM SYSTEM LOAD19/12/2024 08:28:50 PM

Cancellation of Forecast Minimum System Load (MSL) MSL2 event in the VIC Region on 22/12/2024.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Forecast Minimum System Load (MSL) MSL2 event in the VIC Region on 22/12/2024.

Cancellation - Forecast MSL2- VIC Region at 2030 hrs 22/12/2024.

Refer to Market Notice 122275for MSL2.

Manager NEM Real Time Operations
     
122288RECLASSIFY CONTINGENCY19/12/2024 08:19:25 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 19/12/2024 20:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122257

Auto-generated on behalf of Manager NEM Real Time Operations
     
122287RECLASSIFY CONTINGENCY19/12/2024 08:19:20 PM

Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 19/12/2024 20:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122258

Auto-generated on behalf of Manager NEM Real Time Operations
     
122286RECLASSIFY CONTINGENCY19/12/2024 08:14:21 PM

Cancellation of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV 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: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Cancellation time: 19/12/2024 20:14

Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 122240

Auto-generated on behalf of Manager NEM Real Time Operations
     
122285RECLASSIFY CONTINGENCY19/12/2024 07:04:20 PM

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: 19/12/2024 19:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122251

Auto-generated on behalf of Manager NEM Real Time Operations
     
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