Market Notices

119858RECLASSIFY CONTINGENCY04/11/2024 01:09:31 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: 04/11/2024 13:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 119855

Auto-generated on behalf of Manager NEM Real Time Operations
     
119855RECLASSIFY CONTINGENCY04/11/2024 11:08:06 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: 04/11/2024 11:08 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
119852MINIMUM SYSTEM LOAD04/11/2024 08:53:24 AM

Forecast Minimum System Load MSL2 condition in the VIC region on 10/11/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 10/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
- MSL1 = 1760 MW
- MSL2 = 1260 MW
- MSL3 = 760 MW

The regional demand is forecast to be below the MSL2 threshold for the following period:

From 1230 hrs 10/11/2024 to 1330 hrs 10/11/2024. Minimum regional demand is forecast to be 1236 MW at 1300 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb.

AEMO is seeking a market response.


AEMO Operations
     
119822MINIMUM SYSTEM LOAD03/11/2024 01:39:18 PM

Cancellation - MSL1- VIC Region 03/11/2024.

AEMO ELECTRICITY MARKET NOTICE

Cancellation - MSL1- VIC Region at 1330 hrs 03/11/2024.

Refer to Market Notice 119760 for MSL1.

Manager NEM Real Time Operations
     
119821RECLASSIFY CONTINGENCY03/11/2024 11:19:26 AM

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: 03/11/2024 11:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 119819

Auto-generated on behalf of Manager NEM Real Time Operations
     
119820RECLASSIFY CONTINGENCY03/11/2024 08:29:25 AM

Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 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: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Cancellation time: 03/11/2024 08:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 119816

Auto-generated on behalf of Manager NEM Real Time Operations
     
119819RECLASSIFY CONTINGENCY03/11/2024 08:14:35 AM

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: 03/11/2024 08:14 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
119818RECLASSIFY CONTINGENCY03/11/2024 08:39:01 AM

Cancellation of the reclassification of a Non-Credible Contingency Event: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line in VIC due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the 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: VIC
Lines: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line
Cancellation time: 03/11/2024 08:30 hrs
Constraint set(s) revoked: V-ROYP78_R_N-2

Refer AEMO Electricity Market Notice 119817

Manager NEM Real Time Operations
     
119817RECLASSIFY CONTINGENCY03/11/2024 05:53:04 AM

Reclassification of a Non-Credible Contingency Event: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line in VIC 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: VIC

Lines: Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line

Duration: 03/11/2024 05:40 hrs until further notice

Constraint set(s) invoked: V-ROYP78_R_N-2

Manager NEM Real Time Operations
     
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