Market Notices

112265RESERVE NOTICE13/12/2023 06:41:15 PM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112242 has been updated at 1830 hrs to the following:

[1.] From 1530 hrs 14/12/2023 to 1600 hrs 14/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1054 MW.

[2.] From 1900 hrs 14/12/2023 to 2000 hrs 14/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1160 MW.


Manager NEM Real Time Operations
112264RECLASSIFY CONTINGENCY13/12/2023 06:34:40 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: 13/12/2023 18:34 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
112260RECLASSIFY CONTINGENCY13/12/2023 04:39:35 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: 13/12/2023 16:39

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 112246

Auto-generated on behalf of Manager NEM Real Time Operations
112257RESERVE NOTICE13/12/2023 04:38:31 PM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE


The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 112243 has been updated at 1630 hrs to the following:

From 1730 hrs 14/12/2023 to 1800 hrs 14/12/2023.
The forecast capacity reserve requirement is 1284 MW.
The minimum capacity reserve available is 1144 MW.


Manager NEM Real Time Operations
112256RECLASSIFY CONTINGENCY13/12/2023 03:45:40 PM

Reclassification of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV 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: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV

Duration: 13/12/2023 15:45 until further notice

Constraint set(s) invoked:
T-TUWA12_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
112255RECLASSIFY CONTINGENCY13/12/2023 03:10:06 PM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown 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: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 13/12/2023 15:10 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112252RECLASSIFY CONTINGENCY13/12/2023 02:40:57 PM

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV 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: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Duration: 13/12/2023 14:40 until further notice

Constraint set(s) invoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Auto-generated on behalf of Manager NEM Real Time Operations
112251RESERVE NOTICE13/12/2023 02:45:53 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 19/12/2023

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 1530 hrs to 1600 hrs 19/12/2023.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1315 MW.


AEMO Operations
112250RECLASSIFY CONTINGENCY13/12/2023 02:09:35 PM

Cancellation of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV 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: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV

Cancellation time: 13/12/2023 14:09

Constraint set(s) revoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 112237

Auto-generated on behalf of Manager NEM Real Time Operations
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