Market Notices

117292MARKET INTERVENTION05/07/2024 03:09:11 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 117291

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0001 hrs 06/07/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 05/07/2024, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
117291MARKET INTERVENTION05/07/2024 01:24:33 PM

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0001 hrs 06/07/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
117288MARKET INTERVENTION04/07/2024 08:45:42 AM

Cancellation - Possible intervention to manage power system security in SA region 05/07/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Possible intervention to manage power system security in SA region 05/07/2024

Refer Market Notice 117281

AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 0845 hrs 04/07/2024.

Manager NEM Real Time Operations
117287NON-CONFORMANCE03/07/2024 10:00:13 PM

NON-CONFORMANCE Region QLD1 Wednesday, 3 July 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 3 July 2024

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

Unit: CALL_B_1
Duration: 03/07/2024 21:55 to 03/07/2024 22:00
Amount: -97 MW
Constraint: NC-Q_CALL_B_1

Auto-generated on behalf of Manager NEM Real Time Operations
117285SETTLEMENTS RESIDUE03/07/2024 05:55:22 PM

[EventId:202407031755_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 03 July 2024 17:55

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1755 hrs on 3 July 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 July 2024.

Refer to market notice: 117283

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1755 hrs on 3 July 2024.

This is an AEMO autogenerated Market Notice.
117283SETTLEMENTS RESIDUE03/07/2024 05:30:25 PM

[EventId:202407031730_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 03 July 2024 17:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1730 hrs on 3 July 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 3 July 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1730 hrs on 3 July 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
117281MARKET INTERVENTION03/07/2024 03:16:12 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 117278

The synchronous generating units currently expected to be synchronised in SA from 0000 hrs 05/07/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1300 hrs 04/07/2024, 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
117279NON-CONFORMANCE03/07/2024 02:50:15 PM

NON-CONFORMANCE Region QLD1 Wednesday, 3 July 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 3 July 2024

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

Unit: STAN-1
Duration: 03/07/2024 14:40 to 03/07/2024 14:50
Amount: -18 MW
Constraint: NC-Q_STAN-1

Auto-generated on behalf of Manager NEM Real Time Operations
117278MARKET INTERVENTION03/07/2024 01:46:31 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 0000 hrs 05/07/2024 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
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