Market Notices

113287RECLASSIFY CONTINGENCY15/01/2024 10:53:15 PM

Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 15/01/2024 22:53 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
113286RECLASSIFY CONTINGENCY15/01/2024 10:04:31 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 15/01/2024 22:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 113281

Auto-generated on behalf of Manager NEM Real Time Operations
113284RECLASSIFY CONTINGENCY15/01/2024 07:54:29 PM

Cancellation of a Non-Credible Contingency Event: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers in Qld Region 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 elements is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following elements. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD

Elements: H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers

Cancellation time : 1910 hrs 15/01/2024
Constraint set(s) revoked: Q-MR_TX2_3_N-2

Refer AEMO Electricity Market Notice 113273

Manager NEM Real Time Operations
113283RECLASSIFY CONTINGENCY15/01/2024 06:54:30 PM

Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 kV line in QLD1 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: QLD1

Lines: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Cancellation time: 15/01/2024 18:54

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


Refer AEMO Electricity Market Notice 113282

Auto-generated on behalf of Manager NEM Real Time Operations
113282RECLASSIFY CONTINGENCY15/01/2024 05:53:12 PM

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 kV line in QLD1 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: QLD1

Lines: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Duration: 15/01/2024 17:53 until further notice

Constraint set(s) invoked:
Q-RSCH_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
113281RECLASSIFY CONTINGENCY15/01/2024 04:02:00 PM

Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 15/01/2024 16:01 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
113280RESERVE NOTICE15/01/2024 02:54:52 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 22/01/2024

AEMO ELECTRICITY MARKET NOTICE

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

From 1830 hrs to 1900 hrs 22/01/2024.
The forecast capacity reserve requirement is 1242 MW.
The minimum capacity reserve available is 1109 MW.

AEMO Operations
113279RESERVE NOTICE15/01/2024 02:55:56 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 19/01/2024

AEMO ELECTRICITY MARKET NOTICE

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

From 1830 hrs to 1900 hrs 19/01/2024.
The forecast capacity reserve requirement is 1253 MW.
The minimum capacity reserve available is 1161 MW.

AEMO Operations
113278RESERVE NOTICE15/01/2024 02:56:51 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 18/01/2024

AEMO ELECTRICITY MARKET NOTICE

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

From 1730 hrs to 2030 hrs 18/01/2024.
The forecast capacity reserve requirement is 1247 MW.
The minimum capacity reserve available is 985 MW.

AEMO Operations
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