Market Notices

120162MARKET INTERVENTION08/11/2024 04:31:24 PM

Direction - SA region to Synergen Power Pty Limited - MINTARO MINTARO GAS

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to Synergen Power Pty Limited - MINTARO MINTARO GAS

Refer to Market Notice 120101


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Synergen Power Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: Synergen Power Pty Limited - MINTARO MINTARO GAS at 1630 hrs 08/11/2024
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0700 hrs 09/11/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 1630 hrs 09/11/2024 / further notice.

Synergen Power 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
     
120161MARKET INTERVENTION08/11/2024 04:29:33 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 120102

The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 10/11/2024.

The direction update is issued at 1630 hrs 08/11/2024.

Manager NEM Real Time Operations
     
120146SETTLEMENTS RESIDUE08/11/2024 02:30:30 PM

[EventId:202411081430_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 November 2024 14:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1430 hrs on 8 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 November 2024.

Refer to market notice: 120143

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 1430 hrs on 8 November 2024.

This is an AEMO autogenerated Market Notice.
     
120145RECLASSIFY CONTINGENCY08/11/2024 02:09:26 PM

Cancellation of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Cancellation time: 08/11/2024 14:09

Constraint set(s) revoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 120144

Auto-generated on behalf of Manager NEM Real Time Operations
     
120144RECLASSIFY CONTINGENCY08/11/2024 01:07:55 PM

Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Duration: 08/11/2024 13:07 until further notice

Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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
     
120143SETTLEMENTS RESIDUE08/11/2024 01:00:34 PM

[EventId:202411081300_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 November 2024 13:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1300 hrs on 8 November 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 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 1300 hrs on 8 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.
     
120141RECLASSIFY CONTINGENCY08/11/2024 12:29:27 PM

Cancellation of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Cancellation time: 08/11/2024 12:29

Constraint set(s) revoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 120140

Auto-generated on behalf of Manager NEM Real Time Operations
     
120140RECLASSIFY CONTINGENCY08/11/2024 11:27:24 AM

Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV line in TAS1 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: TAS1

Lines: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV

Duration: 08/11/2024 11:27 until further notice

Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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
     
120136SETTLEMENTS RESIDUE08/11/2024 10:05:30 AM

[EventId:202411081005_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 November 2024 10:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1005 hrs on 8 November 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 November 2024.

Refer to market notice: 120132

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 1005 hrs on 8 November 2024.

This is an AEMO autogenerated Market Notice.
     
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