Market Notices

116445SETTLEMENTS RESIDUE02/05/2024 07:00:27 PM

[EventId:202405021900_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 02 May 2024 19:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1900 hrs on 2 May 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 May 2024.

Refer to market notice: 116442

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 2 May 2024.

This is an AEMO autogenerated Market Notice.
     
116444RESERVE NOTICE02/05/2024 06:33:45 PM

Cancellation of Actual (LOR1) condition in the NSW region - 02/05/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 02/05/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No. 116443 is cancelled at 1830 hrs 02/05/2024.

Manager NEM Real Time Operations
     
116443RESERVE NOTICE02/05/2024 05:52:09 PM

Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024

The actual LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 116440 has been updated at 1745 hrs 02/05/2024 to the following:

The Actual LOR1 condition is forecast to exist until 1830 hrs

The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1146 MW

Manager NEM Real Time Operations
     
116442SETTLEMENTS RESIDUE02/05/2024 05:30:17 PM

[EventId:202405021730_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 02 May 2024 17:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1730 hrs on 2 May 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 May 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 1730 hrs on 2 May 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.
     
116440RESERVE NOTICE02/05/2024 05:16:09 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/05/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs

The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 888 MW

Manager NEM Real Time Operations
     
116432RECLASSIFY CONTINGENCY02/05/2024 01:45:50 PM

Cancellation of the reclassification of a Non-Credible contingency event: Farrell - Sheffield Nos 1 and 2 220kV Lines line in TAS due to Bushfire.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event due to Bushfire. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any non credible event activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS

Lines: Farrell - Sheffield Nos 1 and 2 220kV Lines
Cancellation time: 13:45 hrs 02/05/2024

Constraint set(s) revoked:
T-FASH_N-2_CP4_SB
T-NIL_WCP_CLOSE

Refer AEMO Electricity Market Notice 116427

Manager NEM Real Time Operations
     
116427RECLASSIFY CONTINGENCY02/05/2024 11:29:39 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and 2 220kV Lines in TAS due to Bushfire.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire. 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: TAS

Lines: Farrell - Sheffield No. 1 and 2 220kV Lines

Duration:11:35 hrs 02/05/2024 until further notice

Constraint set(s) invoked:
T-NIL_WCP_CLOSE
T-FASH_N-2_CP4_SB

Manager NEM Real Time Operations
     
116392SETTLEMENTS RESIDUE30/04/2024 05:30:27 PM

[EventId:202404301730_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 30 April 2024 17:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1730 hrs on 30 April 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 30 April 2024.

Refer to market notice: 116390

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 30 April 2024.

This is an AEMO autogenerated Market Notice.
     
116391RECLASSIFY CONTINGENCY30/04/2024 05:09:45 PM

Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 30/04/2024 17:09

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 116378

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