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Forecast Minimum System Load (MSL1) condition in the VIC region on 02/11/2024
Update to Market Notice 119644 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 02/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1685 MW
o MSL2 - 1185 MW
o MSL3 - 685 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1030 hrs to 1400 hrs 02/11/2024. Minimum regional demand is forecast to be 1304 MW at 1230 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
Forecast Minimum System Load (MSL1) condition in the VIC region on 03/11/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 03/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1795 MW
o MSL2 - 1295 MW
o MSL3 - 795 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1130 hrs to 1330 hrs 03/11/2024. Minimum regional demand is forecast to be 1684 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
[EventId:202411011345_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 01 November 2024 13:45
Issued by Australian Energy Market Operator Ltd at 1345 hrs on 1 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 1 November 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 1345 hrs on 1 November 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.
[EventId:202411011030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 01 November 2024 10:30
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 1 November 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 1 November 2024.
Refer to market notice: 119722
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 1030 hrs on 1 November 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202411010835_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 01 November 2024 08:35
Issued by Australian Energy Market Operator Ltd at 0835 hrs on 1 November 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 1 November 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 0835 hrs on 1 November 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.
[EventId:202410311700_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 31 October 2024 17:00
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 31 October 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 31 October 2024.
Refer to market notice: 119705
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 1700 hrs on 31 October 2024.
This is an AEMO autogenerated Market Notice.
Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 31/10/2024 16:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 119704
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202410311535_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 31 October 2024 15:35
Issued by Australian Energy Market Operator Ltd at 1535 hrs on 31 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 31 October 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 1535 hrs on 31 October 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.
Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 31/10/2024 15:15 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations