Market Notices

120410RECLASSIFY CONTINGENCY13/11/2024 11:54:10 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: 13/11/2024 23:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 120409

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120409RECLASSIFY CONTINGENCY13/11/2024 10:50:56 PM

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: 13/11/2024 22:50 until further notice

Constraint set(s) invoked:
NONE

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120408MARKET INTERVENTION14/11/2024 09:02:11 AM

Direction - VIC region to Snowy Hydro Limited - MURR2-3 MURRAY2

AEMO ELECTRICITY MARKET NOTICE

Direction - VIC region to Snowy Hydro Limited - MURR2-3 MURRAY2

Refer to Market Notice 120404


In accordance with section 116 of the National Electricity Law, 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 - MURR2-3 MURRAY2 at 0900 hrs 14/11/2024
Type of resource: generating unit operating as synchronous condenser
Required actions: Synchronise and operate as a synchronous condenser at 0930 hrs 14/11/2024
Services provided: System Strength
Circumstances necessitating the Direction:System Strength
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 14/11/2024

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
     
120407MARKET INTERVENTION14/11/2024 09:01:05 AM

Direction - VIC region to Snowy Hydro Limited - MURR2-2 MURRAY2

AEMO ELECTRICITY MARKET NOTICE

Direction - VIC region to Snowy Hydro Limited - MURR2-2 MURRAY2

Refer to Market Notice 120404


In accordance with section 116 of the National Electricity Law, 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 - MURR2-2 MURRAY2 at 0900 hrs 14/11/2024
Type of resource: generating unit operating as synchronous condenser
Required actions: Synchronise and operate as a synchronous condenser at 0930 hrs 14/11/2024
Services provided: System Strength
Circumstances necessitating the Direction:System Strength
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 14/11/2024.

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
     
120406MARKET INTERVENTION14/11/2024 08:59:54 AM

Direction - VIC region to EnergyAustralia Ecogen Pty Ltd - JLB02 JEERALANG B PO

AEMO ELECTRICITY MARKET NOTICE

Direction - VIC region to EnergyAustralia Ecogen Pty Ltd - JLB02 JEERALANG B PO

Refer to Market Notice 120404


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to EnergyAustralia Ecogen Pty Ltd. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: EnergyAustralia Ecogen Pty Ltd - JLB02 JEERALANG B PO at 0900 hrs 14/11/2024
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0930 hrs 14/11/2024
Services provided: System Strength
Circumstances necessitating the Direction:System Strength
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 14/11/2024.

EnergyAustralia Ecogen Pty Ltd 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
     
120405MARKET INTERVENTION14/11/2024 08:58:54 AM

Direction - VIC region to EnergyAustralia Ecogen Pty Ltd - JLB01 JEERALANG B PO

AEMO ELECTRICITY MARKET NOTICE

Direction - VIC region to EnergyAustralia Ecogen Pty Ltd - JLB01 JEERALANG B PO

Refer to Market Notice 120404


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to EnergyAustralia Ecogen Pty Ltd. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: EnergyAustralia Ecogen Pty Ltd - JLB01 JEERALANG B PO at 0900 hrs 14/11/2024
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0930 hrs 14/11/2024
Services provided: System Strength
Circumstances necessitating the Direction:System Strength
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1500 hrs 14/11/2024.

EnergyAustralia Ecogen Pty Ltd 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
     
120404MARKET INTERVENTION14/11/2024 08:57:38 AM

Direction - VIC region 14/11/2024

AEMO ELECTRICITY MARKET NOTICE

Direction - VIC region 14/11/2024

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the VIC 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 0905 hrs on 14/11/2024.

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
     
120403MARKET INTERVENTION13/11/2024 10:35:20 PM

Update - Foreseeable AEMO intervention in VIC region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in VIC region

Refer AEMO Electricity Market Notice 120401

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the VIC region from 0930 hrs 14/11/2024.

The foreseeable circumstance requiring the need for intervention is System Strength.

AEMO estimates that, in the absence of sufficient market response by 0900 hrs 14/11/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
     
120402RECLASSIFY CONTINGENCY13/11/2024 09:34:13 PM

Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 13/11/2024 21:34

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 120380

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