Market Notices

57105RECLASSIFY CONTINGENCY31/01/2017 11:19:31 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

Refer to AEMO Electricity Market Notice no. 57104
There is no longer any Lightning activity in the vicinity of the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1115 hrs 31/01/2017

Manager NEM Real Time Operations
57104RECLASSIFY CONTINGENCY31/01/2017 09:04:15 AM

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

Lightning is occurring near the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 0900 hrs 31/01/2017 until further notice.

Manager NEM Real Time Operations
57103RECLASSIFY CONTINGENCY31/01/2017 05:45:36 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275kV Lines in Queensland due to Lightning

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275kV Lines in Queensland due to Lightning

Refer to AEMO Electricity Market Notice No. 57102

There is no longer any lightning activity in the vicinity of the Ross - Chalumbin 857 and 858 275kV Lines.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0525 hrs Tuesday, 31 January 2017.


Manager NEM Real Time Operations


57102RECLASSIFY CONTINGENCY31/01/2017 02:06:14 AM

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

Lightning is occurring near the Ross - Chalumbin 857 and 858 275 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 0200 hrs until further notice.


Manager NEM Real Time Operations
57101RECLASSIFY CONTINGENCY31/01/2017 12:18:40 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.

Refer AEMO Electricity Market Notice 57100

There is no longer any lightning activity in the vicinity of the Collinsville North - Proserpine 7125 and 7126 132 kV Lines

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2400 hrs.


Manager NEM Real Time Operations
57100RECLASSIFY CONTINGENCY30/01/2017 11:03:55 PM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.

Lightning is occurring near the Collinsville North - Proserpine 7125 and 7126 132 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 2245 hrs Monday, 30 January 2017 until further notice.


Manager NEM Real Time Operations

57099SETTLEMENTS RESIDUE30/01/2017 10:50:24 PM

[EventId:201701302250_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 30 January 2017 22:50

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2250 hrs on 30 January 2017

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 30 January 2017.

Refer to market notice: 57098

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

The negative residue constraint NRM_QLD1_NSW1 ceased operating at 2250 hrs on 30 January 2017.

This is an AEMO autogenerated Market Notice.
57098SETTLEMENTS RESIDUE30/01/2017 10:00:15 PM

[EventId:201701302200_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 30 January 2017 22:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 2200 hrs on 30 January 2017

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 30 January 2017.

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

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 2200 hrs on 30 January 2017.

This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1

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


This is an AEMO autogenerated Market Notice.
57097RECLASSIFY CONTINGENCY30/01/2017 09:00:29 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.

Refer AEMO Electricity Market Notice 57078

There is no longer any lightning activity in the vicinity of the Collinsville North - Proserpine 7125 and 7126 132 kV Lines

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1945 hrs.


Manager NEM Real Time Operations

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