Market Notices

118433RESERVE NOTICE24/09/2024 11:13:14 PM

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 24/09/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 24/09/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2300 hrs.
The Actual LOR1 condition is forecast to exist until 0200 hrs

The capacity reserve requirement is 600 MW
The minimum capacity reserve available is 520 MW

Manager NEM Real Time Operations
     
118421MINIMUM SYSTEM LOAD24/09/2024 02:54:54 PM

Minimum System Load 1 (MSL1) in the VIC Region on 28/09/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1100 hrs to 1400 hrs 28/09/2024.
Minimum regional demand is forecast to be 1638 MW at 1300 hrs, and the advisory threshold is:
- MSL1 - 1865 MW
- MSL2 - 1365 MW
- MSL3 - 865 MW

MSL events are forecast when forecast regional demand is less than the relevant MSL threshold. The forecast regional demand is below the MSL1 threshold.

Refer to NEM Data Dashboard to monitor demand levels: https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/data-nem/data-dashboard-nem

AEMO is seeking a market response.

An insufficient market response may require AEMO to take action or intervene to maintain power system security in Victoria. This may result in actions such as recalling network outages, the direction of scheduled production units, curtailment of non-scheduled production units, and/or a direction to maintain regional demand above required MSL threshold, in both Victoria and South Australia.

AEMO Operations
     
118322POWER SYSTEM EVENTS19/09/2024 04:16:27 PM

Update - Non-credible contingency event - TAS region - 19/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 19/09/2024

Refer AEMO Electricity Market Notice 118321

At 1446 hrs the Gordon - Chapel St No 1 and No 2 220 kV lines were returned to service.

This non-credible contingency event was caused by lightning. 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.


Manager NEM Real Time Operations
     
118321POWER SYSTEM EVENTS19/09/2024 03:28:41 PM

Update - Non-credible contingency event - TAS region - 19/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 19/09/2024

At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines tripped.

AEMO did not instruct load shedding.

AEMO has advised of approximately 112 MW disconnection of bulk electrical load,
disconnection of generation at Studland Bay Wind generator (71 MW) and 23 MW generation reduction at Gordon Power station.

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

Manager NEM Real Time Operations
     
118320POWER SYSTEM EVENTS19/09/2024 01:54:59 PM

Non-credible contingency event - TAS region - 19/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 19/09/2024

At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines tripped.

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
     
118299RESERVE NOTICE16/09/2024 07:16:21 PM

Cancellation of Actual (LOR1) condition in the NSW region - 16/09/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 16/09/2024

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.118298 is cancelled at 1915 hrs 16/09/2024.

Manager NEM Real Time Operations
     
118298RESERVE NOTICE16/09/2024 06:16:31 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 16/09/2024

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 16/09/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs

The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1274 MW

Manager NEM Real Time Operations
     
118171POWER SYSTEM EVENTS06/09/2024 08:18:58 PM

Update - Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 06/09/2024

Refer AEMO Electricity Market Notice 118166

At 2005 hrs the Loy Yang PS No. 4 500 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
     
118166POWER SYSTEM EVENTS06/09/2024 12:38:00 PM

Non-credible contingency event - VIC region - 06/09/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 06/09/2024

At 1222 hrs the Loy Yang PS No. 4 500 kV bus tripped.

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
     
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