Market Notices

112206MARKET INTERVENTION12/12/2023 02:23:46 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 112204

The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 13/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 12/12/2023, 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
112204MARKET INTERVENTION12/12/2023 12:54:12 PM

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 0730 hrs 13/12/2023 will be inadequate to maintain a secure operating state in SA.

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
112187POWER SYSTEM EVENTS11/12/2023 04:04:48 PM

Update - Non-credible contingency event - SA region - 11/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 11/12/2023

Refer AEMO Electricity Market Notice 112181

At 1554 hrs the remaining Mintaro - Waterloo 132 kV Line was returned to service.

The following constraint set(s) revoked:
S-X-MNWT+CB

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations
112185MARKET INTERVENTION11/12/2023 03:20:21 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 112176

The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 0800 hrs 12/12/2023, 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
112183RESERVE NOTICE11/12/2023 03:13:48 PM

STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112160 has been updated at 1400 hrs 11/12/2023 to the following:

From 1530 hrs to 2000 hrs 14/12/2023.
The forecast capacity reserve requirement is 1385 MW.
The minimum capacity reserve available is 700 MW.


AEMO Operations
112182RESERVE NOTICE11/12/2023 03:12:58 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 14/12/2023

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 period:

From 1700 hrs to 2030 hrs 14/12/2023.
The forecast capacity reserve requirement is 1287 MW.
The minimum capacity reserve available is 1019 MW.


AEMO Operations
112178MARKET INTERVENTION11/12/2023 02:00:57 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 08/12/2023

Refer Market Notice 112159

The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 11/12/2023

Manager NEM Real Time Operations
112176MARKET INTERVENTION11/12/2023 12:46:58 PM

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 0700 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA.

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
112165POWER SYSTEM EVENTS11/12/2023 06:36:10 AM

Non-credible contingency event - SA region - 11/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 11/12/2023

At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.

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
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