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Cancellation - Reclassification of a Non Credible Contingency Event: Jeeralang B2 and Jeeralang No.1 220 kV bus in Vic region.
Cancellation - Reclassification of a Non Credible Contingency Event: Jeeralang B2 and Jeeralang No.1 220 kV bus in Vic region.
Refer to Electricity Market Notice 52813, 52811 and 52751
Based on advice from the asset owner the circumstances that existed in relation to the tripping of Jeeralang B2 generating unit and Jeeralang No.1 220 kV Bus have now been addressed
Therefore AEMO no longer considers the simultaneous trip of Jeeralang B2 and Jeeralang No.1 220 kV bus to be a credible contingency event from 1635 hrs 3 Jun 2016 .
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Bouldercombe - Rockhampton 7108 and Bouldercombe - Egans Hill 7221 132 kV Lines in Queensland due to Lightning.
Reclassification of a Non-Credible Contingency Event: Bouldercombe - Rockhampton 7108 and Bouldercombe - Egans Hill 7221 132 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Bouldercombe - Rockhampton 7108 and Bouldercombe - Egans Hill 7221 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 1510 hrs 3 Jun 2016 until further notice.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
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. 53562
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 0345 hrs 30/05/2016.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
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 0120 hrs 30/05/2016 until further notice.
Manager NEM Real Time Operations
Cancellation Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Cancellation of Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Refer AEMO Electricity Market Notice 53557
Constraint Set I-TE_ZERO to be revoked.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits to be a credible contingency event from 1315 hrs 29 May 2016
Manager NEM Real Time Operations
Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
A Bushfire exists in the vicinity of the Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
AEMO has reclassified the simultaneous trip of those circuits to be a credible contingency event from 1015 hrs 29 May 2016 until further notice.
Constraint Set I-TE_ZERO invoked.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53432
There is no longer any lightning activity in the vicinity of the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2310 hrs.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 2210 hrs 19/05/16 until further notice.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53427
There is no longer any lightning activity in the vicinity of the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1255hrs.
Manager NEM Real Time Operations