93926RECLASSIFY CONTINGENCY17/01/2022 04:39:00 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 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: QLD1

Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Duration: 17/01/2022 16:38 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
93925RECLASSIFY CONTINGENCY17/01/2022 04:17:05 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: 17/01/2022 16:17 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
93924MARKET INTERVENTION17/01/2022 05:01:52 PM

Direction - SA Region - 17/01/2022

AEMO ELECTRICITY MARKET NOTICE

Direction - SA Region - 17/01/2022

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 1700 hrs on 17/01/2022.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
93920MARKET INTERVENTION17/01/2022 02:46:58 PM

Possible intervention to manage power system security in South Australia (SA) Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in South Australia (SA) Region

The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 18/01/2022 will be inadequate to maintain a secure operating state in SA.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 17/01/2022, 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 Operation
     
93919RESERVE NOTICE17/01/2022 11:58:30 AM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 17/01/2022

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:

From 1730 hrs 17/01/2022 to 1930 hrs 17/01/2022.
The forecast capacity reserve requirement is 971 MW.
The minimum capacity reserve available is 822 MW.


Manager NEM Real Time Operations
     
93918MARKET INTERVENTION17/01/2022 07:35:58 AM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region - 16/01/2022

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region - 16/01/2022

Refer Market Notice 93909

The AEMO Intervention Event and all associated directions are cancelled from 0735 hrs 17/01/2022

Manager NEM Real Time Operations
     
93912RECLASSIFY CONTINGENCY16/01/2022 08:49:15 PM

Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 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: QLD1

Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Cancellation time: 16/01/2022 20:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 93904

Auto-generated on behalf of Manager NEM Real Time Operations
     
93911MARKET INTERVENTION16/01/2022 05:39:08 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region - 15/01/2022

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region - 15/01/2022

Refer Market Notice 93885

The AEMO Intervention Event and all associated directions are cancelled from 1730 hrs 16/01/2022

Manager NEM Real Time Operations
     
93909MARKET INTERVENTION16/01/2022 05:32:07 PM

Direction - SA Region - 16/01/2022

AEMO ELECTRICITY MARKET NOTICE

Direction - SA Region - 16/01/2022

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 1700 hrs on 16/01/2022.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
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