Market Notices

116492MARKET INTERVENTION06/05/2024 07:28:15 AM

Direction - SA region 06/05/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 06/05/2024

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).

The direction was necessary to maintain the power system in a secure operating state.

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.

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 0705 hrs on 06/05/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
116491MARKET INTERVENTION06/05/2024 07:29:21 AM

Cancellation - Direction SA region 05/05/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Direction SA region 5/05/2024

Refer Market Notices 116480

All directions are cancelled from 0630 hrs 06/05/2024

Manager NEM Real Time Operations
     
116487RECLASSIFY CONTINGENCY05/05/2024 06:19:50 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: 05/05/2024 18:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 116484

Auto-generated on behalf of Manager NEM Real Time Operations
     
116484RECLASSIFY CONTINGENCY05/05/2024 03:15:06 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: 05/05/2024 15:15 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
116480MARKET INTERVENTION05/05/2024 03:16:29 PM

Direction - SA region 05/05/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 05/05/2024

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).

The direction was necessary to maintain the power system in a secure operating state.

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.

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 1520 hrs on 05/05/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
116479MARKET INTERVENTION05/05/2024 05:01:54 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 04/05/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 04/05/2024

Refer Market Notice 116470

The AEMO Intervention Event and all associated directions are cancelled from 1700 hrs 05/05/2024

Manager NEM Real Time Operations
     
116476MARKET INTERVENTION05/05/2024 02:30:59 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 116473

The synchronous generating units currently expected to be synchronised in SA from 2330 hrs 05/05/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1500 hrs 05/05/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
     
116473MARKET INTERVENTION05/05/2024 10:21:44 AM

Possible intervention to manage power system security in SA Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 2330 hrs 05/05/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
     
116470MARKET INTERVENTION04/05/2024 04:50:25 PM

Direction - SA region 04/05/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 04/05/2024

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).

The direction was necessary to maintain the power system in a secure operating state.

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.

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 1655 hrs on 04/05/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
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