Market Notices

111932MARKET INTERVENTION02/12/2023 04:56:45 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/11/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/11/2023

Refer Market Notice 111905

The AEMO Intervention Event and all associated directions are cancelled from 1700 hrs 02/12/2023

Manager NEM Real Time Operations
111929RESERVE NOTICE02/12/2023 02:26:39 PM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111926 has been updated at 1430 hrs to the following:

[1.] From 1830 hrs 03/12/2023 to 1930 hrs 03/12/2023.
The forecast capacity reserve requirement is 1292 MW.
The minimum capacity reserve available is 1236 MW.


Manager NEM Real Time Operations
111928RESERVE NOTICE02/12/2023 02:19:42 PM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 02/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 111925 is cancelled at 1420 hrs 02/12/2023.

Manager NEM Real Time Operations
111927MARKET INTERVENTION02/12/2023 01:57:45 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 111915

The synchronous generating units currently expected to be synchronised in SA from 0130 hrs 03/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 02/12/2023, 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
111926RESERVE NOTICE02/12/2023 01:08:58 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 03/12/2023

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 periods:

[1.] From 1800 hrs 03/12/2023 to 1930 hrs 03/12/2023.
The forecast capacity reserve requirement is 1292 MW.
The minimum capacity reserve available is 1176 MW.

[2.] From 2000 hrs 03/12/2023 to 2030 hrs 03/12/2023.
The forecast capacity reserve requirement is 1303 MW.
The minimum capacity reserve available is 1282 MW.


Manager NEM Real Time Operations
111925RESERVE NOTICE02/12/2023 01:05:59 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 02/12/2023

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 periods:

From 1900 hrs 02/12/2023 to 1930 hrs 02/12/2023.

The forecast capacity reserve requirement is 1301 MW.
The minimum capacity reserve available is 1277 MW.



Manager NEM Real Time Operations
111923RECLASSIFY CONTINGENCY02/12/2023 12:48:25 PM

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Duration: 02/12/2023 12:48 until further notice

Constraint set(s) invoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
111922RECLASSIFY CONTINGENCY02/12/2023 12:43:55 PM

Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 02/12/2023 12:43

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 111917

Auto-generated on behalf of Manager NEM Real Time Operations
111921RECLASSIFY CONTINGENCY02/12/2023 12:34:54 PM

Reclassification of a Non-Credible Contingency Event: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 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: Woree -Tumoulin No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line

Duration: 02/12/2023 12:30 until further notice

Constraint set(s) invoked: None

Manager NEM Real Time Operations
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