Market Notices

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Thursday, 28 March 2024

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

Unit: YWPS2
Duration: 28/03/2024 17:05 to 28/03/2024 17:10
Amount: -9 MW
Constraint: NC-V_YWPS2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 27/03/2024

At 1736 hrs the Terang to Mortlake South 220 kV line opened at the Terang 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

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 27 March 2024

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

Unit: BW01
Duration: 27/03/2024 18:50 to 27/03/2024 19:00
Amount: -49 MW
Constraint: NC-N_BW01

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - Torrens Island 27/03/2024

At 1529 hrs there was an unplanned outage of the following elements:
Torrens Island A 275 kV West Bus
Torrens Island AC3 275 kV CB

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

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink

There has been an unplanned outage of Murraylink.

The following constraint set was invoked at 1005 hrs 27/03/2024

I-MURRAYLINK

The constraint set contains the following interconnector on the left hand side.

V-S-MNSP1,VIC1-NSW1

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

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - Torrens Island 25/03/2024

At 1412 hrs there was an unplanned outage of the following elements:
Torrens Island BW3 275 kV CB
Torrens Island BC3 275 kV CB
Torrens Island - Lefevre 275 kV line

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

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 25/03/2024

Refer AEMO Electricity Market Notice 115777

At 1350 hrs the Davenport - Brinkworth 275 kV line, Brinkworth No 3 275/132 kV transformer
and Brinkworth - Templers West 275 kV line was returned to service.

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

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Monday, 25 March 2024

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

Unit: VP6
Duration: 25/03/2024 09:15 to 25/03/2024 10:00
Amount: 20 MW
Constraint: NC-N_VP6

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - SA region - 25/03/2024

Refer market notice: 115777

At 0810 hrs 25/03/2024 there was an unplanned outage of elements:

Davenport - Brinkworth 275 kV line
Brinkworth No 3 275/132 kV transformer
Brinkworth - Templers West 275 kV line

Constraint set(s) invoked: S-X_DVBR+BRTW+TWPA


This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S_MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations