Market Notices

92949RECLASSIFY CONTINGENCY04/12/2021 03:18:22 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Duration: 04/12/2021 15:18 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
92947INTER-REGIONAL TRANSFER04/12/2021 08:37:22 AM

Inter-regional transfer limit variation - VIC to NSW Interconnector - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - VIC to NSW Interconnector - Voltage Control

To manage power system security (voltage control) across the VIC to NSW Interconnection, the following constraint set was invoked at 0835 hrs 04/12/2021 until further notice.

#VIC1-NSW1_E

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

VIC1-NSW1


Manager NEM Real Time Operations
     
92946RECLASSIFY CONTINGENCY03/12/2021 06:59:05 PM

Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: NSW1

Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 03/12/2021 18:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92944

Auto-generated on behalf of Manager NEM Real Time Operations
     
92944RECLASSIFY CONTINGENCY03/12/2021 03:56:10 PM

Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: NSW1

Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Duration: 03/12/2021 15:56 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
92940RECLASSIFY CONTINGENCY03/12/2021 02:49:05 PM

Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: NSW1

Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 03/12/2021 14:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92927

Auto-generated on behalf of Manager NEM Real Time Operations
     
92939PRICES UNCHANGED03/12/2021 02:37:16 PM

[EventId:202112031415_confirmed] Prices for interval 03-Dec-2021 14:15 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1435 hrs on 3 December 2021

PRICES ARE NOW CONFIRMED for trading interval 03-Dec-2021 14:15.

In accordance with Market Notice 92929 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.
     
92938PRICES UNCHANGED03/12/2021 02:36:41 PM

[EventId:202112031435_confirmed] Prices for interval 03-Dec-2021 14:35 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1435 hrs on 3 December 2021

PRICES ARE NOW CONFIRMED for trading interval 03-Dec-2021 14:35.

In accordance with Market Notice 92933 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.
     
92937PRICES UNCHANGED03/12/2021 02:38:27 PM

[EventId:202112031430_confirmed] Prices for interval 03-Dec-2021 14:30 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1435 hrs on 3 December 2021

PRICES ARE NOW CONFIRMED for trading interval 03-Dec-2021 14:30.

In accordance with Market Notice 92932 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.
     
92936PRICES UNCHANGED03/12/2021 02:36:02 PM

[EventId:202112031425_confirmed] Prices for interval 03-Dec-2021 14:25 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1435 hrs on 3 December 2021

PRICES ARE NOW CONFIRMED for trading interval 03-Dec-2021 14:25.

In accordance with Market Notice 92931 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.
     
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