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115929SETTLEMENTS RESIDUE02/04/2024 01:10:22 PM
[EventId:202404021310_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 02 April 2024 13:10
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1310 hrs on 2 April 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 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 1310 hrs on 2 April 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.
Issued by Australian Energy Market Operator Ltd at 1310 hrs on 2 April 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 2 April 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 1310 hrs on 2 April 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.
115841POWER SYSTEM EVENTS27/03/2024 07:45:22 PM
Non-credible contingency event - VIC region - 27/03/2024
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
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
115833POWER SYSTEM EVENTS27/03/2024 03:48:18 PM
Non-credible contingency event - SA region - Torrens Island 27/03/2024
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
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
115794POWER SYSTEM EVENTS25/03/2024 03:48:06 PM
Non-credible contingency event - SA region - Torrens Island 25/03/2024
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
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
115783POWER SYSTEM EVENTS25/03/2024 02:17:51 PM
Update - Non-credible contingency event - SA region - 25/03/2024
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
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
115777POWER SYSTEM EVENTS25/03/2024 09:27:07 AM
Non-credible contingency event - SA region - 25/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 25/03/2024
At 0810 hrs there was an unplanned outage of the following elemets:
Davenport - Brinkworth 275 kV line
Brinkworth No 3 275/132 kV transformer
Brinkworth - Templers West 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
Non-credible contingency event - SA region - 25/03/2024
At 0810 hrs there was an unplanned outage of the following elemets:
Davenport - Brinkworth 275 kV line
Brinkworth No 3 275/132 kV transformer
Brinkworth - Templers West 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
115771POWER SYSTEM EVENTS24/03/2024 04:39:39 PM
Update - Non-credible contingency event - SA region - 14/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 14/03/2024
Refer AEMO Electricity Market Notice 115624
At 1635 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus 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
Update - Non-credible contingency event - SA region - 14/03/2024
Refer AEMO Electricity Market Notice 115624
At 1635 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus 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
115763PRICES UNCHANGED24/03/2024 12:25:12 PM
[EventId:202403241155_confirmed] Prices for interval 24-Mar-2024 11:55 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1220 hrs on 24 March 2024
PRICES ARE NOW CONFIRMED for trading interval 24-Mar-2024 11:55.
In accordance with Market Notice 115751 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1220 hrs on 24 March 2024
PRICES ARE NOW CONFIRMED for trading interval 24-Mar-2024 11:55.
In accordance with Market Notice 115751 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
115762PRICES UNCHANGED24/03/2024 12:23:05 PM
[EventId:202403241220_confirmed] Prices for interval 24-Mar-2024 12:20 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1220 hrs on 24 March 2024
PRICES ARE NOW CONFIRMED for trading interval 24-Mar-2024 12:20.
In accordance with Market Notice 115756 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1220 hrs on 24 March 2024
PRICES ARE NOW CONFIRMED for trading interval 24-Mar-2024 12:20.
In accordance with Market Notice 115756 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.