Market Notices

117646RECLASSIFY CONTINGENCY11/08/2024 07:14:10 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 11/08/2024 19:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117645

Auto-generated on behalf of Manager NEM Real Time Operations
117645RECLASSIFY CONTINGENCY11/08/2024 06:10:05 PM

Reclassification of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 11/08/2024 18:10 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
117644RECLASSIFY CONTINGENCY11/08/2024 04:44:11 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: 11/08/2024 16:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117640

Auto-generated on behalf of Manager NEM Real Time Operations
117643RECLASSIFY CONTINGENCY11/08/2024 04:18:55 PM

Reclassification of a Non-Credible Contingency Event: Ross - Guybal Munjan 8917 275kVline line and Ross - Guybal Munjan 8916 275kV line 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 - Guybal Munjan 8917 275kVline and Ross - Guybal Munjan 8916 275kV line

Duration: 11/08/2024 16:18 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
117642RECLASSIFY CONTINGENCY11/08/2024 03:49:13 PM

Cancellation of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 11/08/2024 15:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117635

Auto-generated on behalf of Manager NEM Real Time Operations
117641MARKET INTERVENTION11/08/2024 04:02:39 PM

Direction - SA region 11/08/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 11/08/2024

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1605 hrs on 11/08/2024.

Intervention pricing does not apply to this AEMO intervention event.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.


Manager NEM Real Time Operations
117640RECLASSIFY CONTINGENCY11/08/2024 03:42:11 PM

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: 11/08/2024 15:42 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
117639NON-CONFORMANCE11/08/2024 03:41:15 PM

NON-CONFORMANCE Region SA1 Sunday, 11 August 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Sunday, 11 August 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: OSB-AG
Duration: 11/08/2024 15:30 to 11/08/2024 15:40
Amount: 52 MW
Constraint: NC-S_OSB-AG

Auto-generated on behalf of Manager NEM Real Time Operations
117638MARKET INTERVENTION11/08/2024 03:59:59 PM

Direction - SA region 11/08/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 11/08/2024

Refer to Market Notice 117637


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN at 1600 hrs 11/08/2024
Type of resource: generating unit
Required actions: remain synchronised and follow dispatch targets at 2230 hrs 11/08/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 13/08/2024 / further notice.

AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations
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