Market Notices

121508MINIMUM SYSTEM LOAD06/12/2024 02:43:31 PM

Forecast Minimum System Load (MSL1) condition in the VIC region on 08/12/2024

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 08/12/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1590 MW
o MSL2 - 1090 MW
o MSL3 - 590 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:

1. From 1200 hrs 08/12/2024 to 1330 hrs 08/12/2024. Minimum regional demand is forecast to be 1496 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 Operations
     
121377INTER-REGIONAL TRANSFER02/12/2024 02:25:55 PM

Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)

AEMO ELECTRICITY MARKET NOTICE

Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)

Refer AEMO Electricity Market Notice 121376

AEMO has been notified that the controls to vary Murraylink output are now available.

Constraint set I-CTRL_ISSUE_ML revoked at 1420 hrs.

Manager NEM Real Time Operations
     
121376INTER-REGIONAL TRANSFER02/12/2024 01:56:02 PM

Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)

AEMO has been notified that the controls to vary Murraylink output are unavailable until further notice.

Constraint set I-CTRL_ISSUE_ML invoked from 1350 hrs.

The constraint set contains equations with the following interconnector on the LHS:

V-S-MNSP1


Manager NEM Real Time Operations
     
121286INTER-REGIONAL TRANSFER30/11/2024 11:36:18 AM

Inter-regional transfer limit variation - Red Cliffs - Wemen 220 kV line - VIC region - 30/11/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Red Cliffs - Wemen 220 kV line - VIC region - 30/11/2024

A planned outage of Red Cliffs - Wemen 220 kV line in the VIC region was scheduled from 0400 hrs 30/11/2024 to 1430 hrs 30/11/2024.

The outage has been completed and Red Cliffs - Wemen 220 kV line returned to service at 1120 hrs 30/11/2024

Constraint set(s) revoked: V-KG_WE_RC

Manager NEM Real Time Operations
     
121169PRICE ADJUSTMENT28/11/2024 02:18:30 PM

[EventId:202411271510_confirmed] Prices for interval 27-Nov-2024 15:10 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1418 hrs on 28 November 2024

PRICES ARE NOW CONFIRMED for trading interval 27-Nov-2024 15:10.

In accordance with Market Notice 121092 AEMO has reviewed this trading interval and determined that:
- Over-Constrained Dispatch has been resolved for this interval

Changed Prices ($/MWh)

TYPE
Region Original Adjusted
Price Price
ENERGY
VIC1 -$30.00 -$29.50
RAISE60SEC
NSW1 $0.10 $0.05
QLD1 $0.10 $0.05
SA1 $0.10 $0.05
VIC1 $0.10 $0.05


This is an AEMO autogenerated Market Notice.
     
121147INTER-REGIONAL TRANSFER28/11/2024 12:32:16 PM

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

AEMO ELECTRICITY MARKET NOTICE

Refer AEMO Electricity Market Notice 121142

Constraint set I-QN_1000 was invoked from 0955 hrs until 1230 hrs 28/11/2024.

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

NSW1-QLD1

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
     
121008POWER SYSTEM EVENTS26/11/2024 04:55:00 PM

Non-credible contingency event - NSW region - 26/11/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 26/11/2024

At 1637 hrs Uranquinty Unit 12 tripped and at 1639 hrs Uranquinty Units 11 and 13 tripped.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.

Manager NEM Real Time Operations
     
120919INTER-REGIONAL TRANSFER25/11/2024 02:03:31 PM

Inter-Regional Transfer limit variation - Murraylink

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink

There has been an unplanned outage of Murraylink.

The following constraint set was invoked at 1405 hrs 25/11/2024

I-ML_ZERO

The constraint set contains the following interconnector on the left hand side.

V-S-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
     
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