Market Notices

118276RESERVE NOTICE14/09/2024 08:50:32 PM

STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17 Sep 2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period[s]:

[1.] From 1800 hrs 17/09/2024 to 1930 hrs 17/09/2024.
The forecast capacity reserve requirement is 1228 MW.
The minimum capacity reserve available is 1095 MW.


AEMO is seeking a market response.


Manager NEM Real Time Operations
     
118275RESERVE NOTICE14/09/2024 02:58:36 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/09/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:

From 1800 hrs 16/09/2024 to 2000 hrs 16/09/2024.
The forecast capacity reserve requirement is 1558 MW.
The minimum capacity reserve available is 1423 MW.


Manager NEM Real Time Operations
     
118274RESERVE NOTICE14/09/2024 02:57:29 PM

STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/09/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 118264 has been updated at 1500 hrs 14/09/2024 to the following:

From 1730 hrs 17/09/2024 to 2030 hrs 17/09/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1109 MW.

Manager NEM Real Time Operations
     
118264RESERVE NOTICE13/09/2024 02:51:24 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 17/09/2024

AEMO ELECTRICITY MARKET NOTICE

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 1800 hrs to 1930 hrs 17/09/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1338 MW.

AEMO Operations
     
118258RECLASSIFY CONTINGENCY12/09/2024 05:09:25 PM

Cancellation 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

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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 12/09/2024 17:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 118249

Auto-generated on behalf of Manager NEM Real Time Operations
     
118257SETTLEMENTS RESIDUE12/09/2024 04:55:27 PM

[EventId:202409121655_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 12 September 2024 16:55

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1655 hrs on 12 September 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 September 2024.

Refer to market notice: 118256

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 1655 hrs on 12 September 2024.

This is an AEMO autogenerated Market Notice.
     
118256SETTLEMENTS RESIDUE12/09/2024 03:05:26 PM

[EventId:202409121505_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 12 September 2024 15:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1505 hrs on 12 September 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 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 1505 hrs on 12 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.
     
118253RECLASSIFY CONTINGENCY12/09/2024 02:09:27 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: 12/09/2024 14:09

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 118250

Auto-generated on behalf of Manager NEM Real Time Operations
     
118250RECLASSIFY CONTINGENCY12/09/2024 12:06:46 PM

Reclassification 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

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

Duration: 12/09/2024 12:06 until further notice

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


Auto-generated on behalf of Manager NEM Real Time Operations
     
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