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118526RECLASSIFY CONTINGENCY30/09/2024 01:41:19 AM
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.
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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 30/09/2024 01:41 until further notice
Constraint set(s) invoked:
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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 30/09/2024 01:41 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
118525SETTLEMENTS RESIDUE29/09/2024 07:00:26 PM
[EventId:202409291900_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 29 September 2024 19:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1900 hrs on 29 September 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 2024.
Refer to market notice: 118524
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 1900 hrs on 29 September 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1900 hrs on 29 September 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 2024.
Refer to market notice: 118524
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 1900 hrs on 29 September 2024.
This is an AEMO autogenerated Market Notice.
118524SETTLEMENTS RESIDUE29/09/2024 06:20:24 PM
[EventId:202409291820_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 29 September 2024 18:20
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1820 hrs on 29 September 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 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 1820 hrs on 29 September 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.
Issued by Australian Energy Market Operator Ltd at 1820 hrs on 29 September 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 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 1820 hrs on 29 September 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.
118511MARKET INTERVENTION29/09/2024 05:32:19 PM
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 118508
Direction is cancelled from: 1730 hrs 29/09/2024
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 118508
Direction is cancelled from: 1730 hrs 29/09/2024
Manager NEM Real Time Operations
118510MARKET INTERVENTION29/09/2024 04:56:29 PM
Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLA
AEMO ELECTRICITY MARKET NOTICE
Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLA
Refer to Market Notice 118455
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN at 1700 hrs 29/09/2024
Type of resource: generating unit
Required actions: synchronise and follow dispatch targets at 0730 hrs 30/09/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 30/09/2024 / further notice.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLA
Refer to Market Notice 118455
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN at 1700 hrs 29/09/2024
Type of resource: generating unit
Required actions: synchronise and follow dispatch targets at 0730 hrs 30/09/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 30/09/2024 / further notice.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
118509MARKET INTERVENTION29/09/2024 03:41:49 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118504
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1500 hrs 30/09/2024.
The direction update is issued at 1540 hrs 29/09/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118504
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1500 hrs 30/09/2024.
The direction update is issued at 1540 hrs 29/09/2024.
Manager NEM Real Time Operations
118508MARKET INTERVENTION29/09/2024 03:42:49 PM
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118505
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1730 hrs 29/09/2024.
The direction update is issued at 1540 hrs 29/09/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118505
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1730 hrs 29/09/2024.
The direction update is issued at 1540 hrs 29/09/2024.
Manager NEM Real Time Operations
118505MARKET INTERVENTION28/09/2024 04:58:14 PM
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118482
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 30/09/2024.
The direction update is issued at 1700 hrs 28/09/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118482
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 30/09/2024.
The direction update is issued at 1700 hrs 28/09/2024.
Manager NEM Real Time Operations
118504MARKET INTERVENTION28/09/2024 04:57:09 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118481
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1730 hrs 29/09/2024.
The direction update is issued at 1700 hrs 28/09/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Participant Notice 118481
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 1730 hrs 29/09/2024.
The direction update is issued at 1700 hrs 28/09/2024.
Manager NEM Real Time Operations