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124944POWER SYSTEM EVENTS20/02/2025 04:52:41 PM
Non-credible contingency event - NSW region - 20/02/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 20/02/2025
At 1619 hrs the Capital WF A and C 330kV Buses tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 20/02/2025
At 1619 hrs the Capital WF A and C 330kV Buses tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
124941NON-CONFORMANCE20/02/2025 02:25:16 PM
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CAPBES1
Duration: 20/02/2025 14:15 to 20/02/2025 14:25
Amount: 70 MW
Constraint: NC-N_CAPBES1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CAPBES1
Duration: 20/02/2025 14:15 to 20/02/2025 14:25
Amount: 70 MW
Constraint: NC-N_CAPBES1
Auto-generated on behalf of Manager NEM Real Time Operations
124914NON-CONFORMANCE20/02/2025 07:55:28 AM
NON-CONFORMANCE Region SA1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Wednesday, 19 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CLEMGPWF
Duration: 19/02/2025 17:30 to 20/02/2025 07:55
Amount: 15 MW
Constraint: NC-S_CLEMGPWF
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Wednesday, 19 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CLEMGPWF
Duration: 19/02/2025 17:30 to 20/02/2025 07:55
Amount: 15 MW
Constraint: NC-S_CLEMGPWF
Auto-generated on behalf of Manager NEM Real Time Operations
124913NON-CONFORMANCE20/02/2025 03:45:14 AM
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 03:30 to 20/02/2025 03:45
Amount: -8 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 03:30 to 20/02/2025 03:45
Amount: -8 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
124912NON-CONFORMANCE20/02/2025 03:00:19 AM
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 02:20 to 20/02/2025 03:00
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 02:20 to 20/02/2025 03:00
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
124911SETTLEMENTS RESIDUE19/02/2025 06:30:30 PM
[EventId:202502191830_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 19 February 2025 18:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Refer to market notice: 124910
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 1830 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Refer to market notice: 124910
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 1830 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.
124910SETTLEMENTS RESIDUE19/02/2025 05:40:33 PM
[EventId:202502191740_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 19 February 2025 17:40
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 19 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 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 1740 hrs on 19 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.
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 19 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 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 1740 hrs on 19 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.
124909SETTLEMENTS RESIDUE19/02/2025 05:30:35 PM
[EventId:202502191730_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 19 February 2025 17:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 19 February 2025.
Refer to market notice: 124895
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 1730 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 19 February 2025.
Refer to market notice: 124895
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 1730 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.
124897SETTLEMENTS RESIDUE19/02/2025 05:00:28 PM
[EventId:202502191700_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 19 February 2025 17:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Refer to market notice: 124894
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 1700 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 19 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 19 February 2025.
Refer to market notice: 124894
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 1700 hrs on 19 February 2025.
This is an AEMO autogenerated Market Notice.