Market Notices

119774MINIMUM SYSTEM LOAD02/11/2024 12:11:56 PM

Cancellation - Forecast Minimum System Load MSL1 condition in the VIC Region on 02/11/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Forecast Minimum System Load MSL1 condition in the VIC Region at 1200 hrs 02/11/2024.

Refer to Market Notice 119742.

Manager NEM Real Time Operations
     
119760MINIMUM SYSTEM LOAD03/11/2024 11:49:58 AM

Actual Minimum System Load MSL1 condition in the VIC Region on 03/11/2024

AEMO ELECTRICITY MARKET NOTICE
Actual Minimum System Load MSL1 condition in the VIC Region on 03/11/2024

Update to Market Notice 119811 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 03/11/2024.

Minimum regional demand is forecast to be 1623 MW at 1300 hrs, and the advisory threshold is:
- MSL1 - 1770 MW
- MSL2 - 1270 MW
- MSL3 - 770 MW

The regional demand is below the MSL1 threshold. The actual MSL1 condition is forecast to exist until 1400 hrs.

Manager NEM Real Time Operations
     
119743MINIMUM SYSTEM LOAD01/11/2024 04:14:34 PM

Forecast Minimum System Load (MSL1) condition in the VIC region on 05/11/2024

AEMO ELECTRICITY MARKET NOTICE
Update to Market Notice 119682 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 05/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1535 MW
o MSL2 - 1035 MW
o MSL3 - 535 MW

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

From 1000 hrs to 1430 hrs 05/11/2024. Minimum regional demand is forecast to be 1106 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
     
119742MINIMUM SYSTEM LOAD01/11/2024 04:13:32 PM

Forecast Minimum System Load (MSL1) condition in the VIC region on 02/11/2024

AEMO ELECTRICITY MARKET NOTICE
Update to Market Notice 119644 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 02/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1685 MW
o MSL2 - 1185 MW
o MSL3 - 685 MW

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

From 1030 hrs to 1400 hrs 02/11/2024. Minimum regional demand is forecast to be 1304 MW at 1230 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
     
119741MINIMUM SYSTEM LOAD01/11/2024 04:10:05 PM

Forecast Minimum System Load (MSL1) condition in the VIC region on 03/11/2024

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 03/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1795 MW
o MSL2 - 1295 MW
o MSL3 - 795 MW

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

From 1130 hrs to 1330 hrs 03/11/2024. Minimum regional demand is forecast to be 1684 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
     
119691POWER SYSTEM EVENTS31/10/2024 03:45:23 AM

Update - Non-credible contingency event - NSW region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 31/10/2024

Refer AEMO Electricity Market Notice 119689

At 0345 hrs the Wagga B 330 kV bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations
     
119690INTER-REGIONAL TRANSFER31/10/2024 01:00:29 AM

Inter-regional transfer limit variation - Wagga B 330 kV Bus - NSW region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Wagga B 330 kV bus- NSW region - 31/10/2024

At 0028 hrs 31/10/2024 there was an unplanned outage of Wagga B 330 kV bus.

The following constraint set(s) invoked at 0045 hrs 31/10/2024
N-WAGGA_330_BUSB, N-JNWG_RADIAL, V-DBUSS_L and V-DBUSS_T

This constraint set(s) contains equations with the following interconnectors on the LHS.
VIC1-NSW1,N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
119689POWER SYSTEM EVENTS31/10/2024 12:49:14 AM

Non-credible contingency event - NSW region - 31/10/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 31/10/2024

At 0028 hrs the Wagga B 330 kV bus tripped which offloaded the Wagga - Walla Walla SF 6Y 330 kV line and Wagga No.3 transformer.

AEMO did not instruct load shedding.

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
     
119688INTER-REGIONAL TRANSFER30/10/2024 06:15:38 PM

Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Moorabool - Sydenham No.1 500 kV line - VIC region - 30/10/2024

A planned outage of Moorabool - Sydenham No.1 500 kV line in the VIC region was scheduled from 0500 hrs 22/10/2024 to 1930 hrs 01/11/2024.

The outage has been completed and Moorabool - Sydenham No.1 500 kV line returned to service at 1815 hrs 30/10/2024

Constraint set revoked: V-MLSY_NOEMTT_R

Manager NEM Real Time Operations
     
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