Market Notices

121146RESERVE NOTICE28/11/2024 12:04:25 PM

STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/11/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121139 has been updated at 1100 hrs 28/11/2024 to the following:

1. From 0800 hrs to 0930 hrs 29/11/2024.
The forecast capacity reserve requirement is 1023 MW.
The minimum capacity reserve available is 1011 MW.

2. From 1100 hrs to 1500 hrs 29/11/2024.
The forecast capacity reserve requirement is 1281 MW.
The minimum capacity reserve available is 1094 MW.

3. From 1530 hrs to 1700 hrs 29/11/2024.
The forecast capacity reserve requirement is 1189 MW.
The minimum capacity reserve available is 1047 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations
     
121145RECLASSIFY CONTINGENCY28/11/2024 11:42:55 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: 28/11/2024 11:42 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
121144RECLASSIFY CONTINGENCY28/11/2024 11:22:54 AM

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: 28/11/2024 11:22 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
     
121142INTER-REGIONAL TRANSFER28/11/2024 10:02:47 AM

Inter-regional transfer limit variation - to manage Power System Security in NSW region - 28/11/2024

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked the following constraint set I-QN_1000 from 0955 hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;

NSW1-QLD1

Manager NEM Real Time Operations
     
121141RECLASSIFY CONTINGENCY28/11/2024 09:59:16 AM

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: 28/11/2024 09:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 121137

Auto-generated on behalf of Manager NEM Real Time Operations
     
121139RESERVE NOTICE28/11/2024 10:56:17 AM

STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/11/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121024 has been updated at 1000 hrs 28/11/2024 to the following:

1. From 1100 hrs to 1500 hrs 29/11/2024.
The forecast capacity reserve requirement is 1332 MW.
The minimum capacity reserve available is 1171 MW.

2. From 1530 hrs to 1700 hrs 29/11/2024.
The forecast capacity reserve requirement is 1205 MW.
The minimum capacity reserve available is 1126 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.


AEMO Operations
     
121137RECLASSIFY CONTINGENCY28/11/2024 07:55:06 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: 28/11/2024 07:55 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
121134RECLASSIFY CONTINGENCY28/11/2024 05:44:22 AM

Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and 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: Palmerston - Hadspen 3 & 4 110kV and

Cancellation time: 28/11/2024 05:44

Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 121133

Auto-generated on behalf of Manager NEM Real Time Operations
     
121133RECLASSIFY CONTINGENCY28/11/2024 04:39:13 AM

Reclassification of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and 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: Palmerston - Hadspen 3 & 4 110kV and

Duration: 28/11/2024 04:39 until further notice

Constraint set(s) invoked:
T-HAPM_110_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
     
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