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Non-credible contingency event - VIC region - 06/09/2024
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
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118126
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/09/2024.
The direction update is issued at 1630 hrs 05/09/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118125
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/09/2024.
The direction update is issued at 1630 hrs 05/09/2024.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - NSW region 05/09/2024
Cancellation - AEMO Intervention Event - NSW region 05/09/2024
Refer to Market Notice 118153
The AEMO Intervention Event and all associated directions are cancelled from 1440 hrs on 05/09/2024.
Manager NEM Real Time Operations
Direction - NSW region 05/09/2024
Direction - NSW region 05/09/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the NSW 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 1410 hrs on 05/09/2024.
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
Cancellation: Direction issued to: Snowy Hydro Limited - Tumut 3 Pump 4 and Pump 5
Cancellation: Direction issued to: Snowy Hydro Limited - Tumut 3 Pump 4 and Pump 5
Refer to Market Notice 118151
Direction is cancelled from: 1440 hrs 05/09/2024
Manager NEM Real Time Operations
Direction - NSW region 05/09/2024
Direction - NSW region 05/09/2024
In accordance with clause 4.8.9(a)(1) of the National Electricity Rules, AEMO is issuing a direction to Snowy Hydro Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: Snowy Hydro Limited - TUMUT3 TUMUT3 at 1405 hrs 05/09/2024
Type of resource: load
Required actions: maintain 0 MW output at 1405 hrs 05/09/2024 TUMUT3 Pump 4 and Pump 5
Services provided: Energy
Circumstances necessitating the Overload
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1440 hrs 05/09/2024
Snowy Hydro 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
Fast Frequency Response Market - Removal of L1 FCAS dispatch cap from 9th September 2024
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 9th September AEMO will remove the 225 MW cap on dispatch of Very Fast Lower (L1) Contingency FCAS.
The 225 MW cap on dispatch of L1 FCAS sits well above typical disaptch volumes, and no immediate impact is expected from this change.
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
[EventId:202409050735_confirmed] Prices for interval 05-Sep-2024 07:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0755 hrs on 5 September 2024
PRICES ARE NOW CONFIRMED for trading interval 05-Sep-2024 07:35.
In accordance with Market Notice 118132 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.