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85073RECLASSIFY CONTINGENCY03/05/2021 09:58:30 PM
Reclassification of a Non-Credible Contingency Event: Hazelwood - Rowville No.1 220kV line and Hazelwood - Rowville No.2 220kV line in VIC1 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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Duration: 03/05/2021 21:58 until further notice
Constraint set(s) invoked:
V-HWRO_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Duration: 03/05/2021 21:58 until further notice
Constraint set(s) invoked:
V-HWRO_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
85072GENERAL NOTICE03/05/2021 08:27:18 PM
Network Augmentation Commissioned - Victoria Region - 03/05/2021
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - Victoria Region - 03/05/2021
At Fishermans Bend terminal station the B2 220/66 kV transformer has been commissioned at 2030 hrs 03/05/2021
Manager NEM Real Time Operations
Network Augmentation Commissioned - Victoria Region - 03/05/2021
At Fishermans Bend terminal station the B2 220/66 kV transformer has been commissioned at 2030 hrs 03/05/2021
Manager NEM Real Time Operations
85071RECLASSIFY CONTINGENCY03/05/2021 08:55:05 PM
Cancellation of a Non-credible contingency event: Wodonga terminal station No.1 and No.2 330/66/22 kV transformers - Victoria region
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of reclassification of a Non-credible contingency event due to protection mal-operation: Wodonga terminal station No.1 and No.2 330/66/22 kV transformers - Victoria region
AEMO considers the simultaneous trip of the following transformers is no longer reasonably possible. The protection that mal-operated has been identified and isolated. Accordingly, this classification has reverted to a non-credible contingency event.
Region: VIC1
Plant: Wodonga terminal station No.1 and No.2 330/66/22 kV transformers
Cancellation time: 03/05/2021 21:00 hrs
Constraint set(s) revoked: NONE
Refer AEMO ELECTRICITY MARKET NOTICE MN85058
Manager NEM Real Time Operations
Cancellation of reclassification of a Non-credible contingency event due to protection mal-operation: Wodonga terminal station No.1 and No.2 330/66/22 kV transformers - Victoria region
AEMO considers the simultaneous trip of the following transformers is no longer reasonably possible. The protection that mal-operated has been identified and isolated. Accordingly, this classification has reverted to a non-credible contingency event.
Region: VIC1
Plant: Wodonga terminal station No.1 and No.2 330/66/22 kV transformers
Cancellation time: 03/05/2021 21:00 hrs
Constraint set(s) revoked: NONE
Refer AEMO ELECTRICITY MARKET NOTICE MN85058
Manager NEM Real Time Operations
85070SETTLEMENTS RESIDUE03/05/2021 06:15:17 PM
[EventId:202105031815_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 03 May 2021 18:15
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1815 hrs on 3 May 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 May 2021.
Refer to market notice: 85068
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 1815 hrs on 3 May 2021.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1815 hrs on 3 May 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 May 2021.
Refer to market notice: 85068
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 1815 hrs on 3 May 2021.
This is an AEMO autogenerated Market Notice.
85069RESERVE NOTICE03/05/2021 06:09:35 PM
Cancellation of Actual (LOR1) condition in the NSW region - 03/05/2021
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 03/05/2021
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice 85066 is cancelled at 1800hrs 03/05/2021.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 03/05/2021
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice 85066 is cancelled at 1800hrs 03/05/2021.
Manager NEM Real Time Operations
85068SETTLEMENTS RESIDUE03/05/2021 06:01:28 PM
[EventId:202105031800_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 03 May 2021 18:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 3 May 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 May 2021.
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 1800 hrs on 3 May 2021.
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.
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 3 May 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 May 2021.
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 1800 hrs on 3 May 2021.
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.
85067RESERVE NOTICE03/05/2021 05:26:22 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 04/05/2021
AEMO ELECTRICITY MARKET NOTICE
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 04/05/2021
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 0730 hrs 04/05/2021 to 0830 hrs 04/05/2021.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1341 MW.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 04/05/2021
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 0730 hrs 04/05/2021 to 0830 hrs 04/05/2021.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1341 MW.
Manager NEM Real Time Operations
85066RESERVE NOTICE03/05/2021 05:17:45 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/05/2021
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/05/2021
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1710 hrs 03/05/2021.
The Actual LOR1 condition is forecast to exist until 1900 hrs 03/05/2021.
The capacity reserve requirement is 1439 MW
The minimum capacity reserve available is 936 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 03/05/2021
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1710 hrs 03/05/2021.
The Actual LOR1 condition is forecast to exist until 1900 hrs 03/05/2021.
The capacity reserve requirement is 1439 MW
The minimum capacity reserve available is 936 MW
Manager NEM Real Time Operations
85065RECLASSIFY CONTINGENCY03/05/2021 04:29:15 PM
Cancellation of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 & No.3 220 kV Lines line and Numurkah Solar Farm line in VIC1 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: VIC1
Lines: Dederang - Glenrowan No.1 & No.3 220 kV Lines and Numurkah Solar Farm
Cancellation time: 03/05/2021 16:29
Constraint set(s) revoked:
V-NIL_DDGN_NSF_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1
Refer AEMO Electricity Market Notice 85055
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Dederang - Glenrowan No.1 & No.3 220 kV Lines and Numurkah Solar Farm
Cancellation time: 03/05/2021 16:29
Constraint set(s) revoked:
V-NIL_DDGN_NSF_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1
Refer AEMO Electricity Market Notice 85055
Auto-generated on behalf of Manager NEM Real Time Operations