Market Notices

112010MARKET INTERVENTION05/12/2023 03:40:41 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 112007

The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 06/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1630 hrs 05/12/2023, 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
112009NON-CONFORMANCE05/12/2023 12:45:20 PM

NON-CONFORMANCE Region NSW1 Tuesday, 5 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 5 December 2023

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: NEWENSF1
Duration: 05/12/2023 12:25 to 05/12/2023 12:45
Amount: 25 MW
Constraint: NC-N_NEWENSF1

Auto-generated on behalf of Manager NEM Real Time Operations
112007MARKET INTERVENTION05/12/2023 11:04:30 AM

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 111998

The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 06/12/2023 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
112003INTER-REGIONAL TRANSFER04/12/2023 04:44:47 PM

Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.

Murraylink power transfer limit has been reduced based on APA advice, consistent with the high ambient temperatures in the vicinity of Murraylink (Berri and Redcliffe).

Constraint sets I-SVML_165 and I-VSML_165 invoked from 1640 hrs.

The constraint set contains equations with the following interconnector on the LHS:

V-S-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
111998MARKET INTERVENTION04/12/2023 03:36:33 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 111991

The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 06/12/2023 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
111994MARKET INTERVENTION04/12/2023 03:30:04 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 03/12/2023

Refer Market Notice 111957

The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 04/12/2023

Manager NEM Real Time Operations
111991MARKET INTERVENTION04/12/2023 12:37:51 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 0750 hrs 05/12/2023 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
111986NON-CONFORMANCE04/12/2023 09:25:19 AM

NON-CONFORMANCE Region QLD1 Monday, 4 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 4 December 2023

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: STAN-1
Duration: 04/12/2023 09:20 to 04/12/2023 09:25
Amount: -31 MW
Constraint: NC-Q_STAN-1

Auto-generated on behalf of Manager NEM Real Time Operations
111971INTER-REGIONAL TRANSFER03/12/2023 04:38:17 PM

Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023

At 1626 hrs 03/12/2023 there was an unplanned outage of H2 South Pine 275kV SVC.

The following constraint set(s) invoked at 1630 hrs 03/12/2023
Q-SP_VC

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1 - QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
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