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53563RECLASSIFY CONTINGENCY30/05/2016 03:43:34 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. 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
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
53562RECLASSIFY CONTINGENCY30/05/2016 01:20:56 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 0120 hrs 30/05/2016 until further notice.
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.
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
53561RESERVE NOTICE29/05/2016 01:49:08 PM
Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016
AEMO ELECTRICITY MARKET NOTICE
Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016
The Forecast LOR1 condition in the NSW Region advised in AEMO Electricity Market Notice No. 53559 is cancelled at 1345 hrs 29 May 2016.
Manager NEM Real Time Operations
Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016
The Forecast LOR1 condition in the NSW Region advised in AEMO Electricity Market Notice No. 53559 is cancelled at 1345 hrs 29 May 2016.
Manager NEM Real Time Operations
53559RESERVE NOTICE29/05/2016 12:53:39 PM
Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region - PDPASA - 30 May 2016
AEMO ELECTRICITY MARKET NOTICE
Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region - PDPASA - 30 May 2016
AEMO declares a Forecast LOR1 condition for the NSW Region.
From 1800 hrs to 1900 hrs 30 May 2016
The contingency capacity reserve required is 1400 MW
The minimum reserve available is 1264 MW
Manager NEM Real Time Operations
Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region - PDPASA - 30 May 2016
AEMO declares a Forecast LOR1 condition for the NSW Region.
From 1800 hrs to 1900 hrs 30 May 2016
The contingency capacity reserve required is 1400 MW
The minimum reserve available is 1264 MW
Manager NEM Real Time Operations
53558RECLASSIFY CONTINGENCY29/05/2016 01:24:45 PM
Cancellation Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
AEMO ELECTRICITY MARKET NOTICE
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
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
53557RECLASSIFY CONTINGENCY29/05/2016 10:24:32 AM
Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
AEMO ELECTRICITY MARKET NOTICE
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
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
53528POWER SYSTEM EVENTS26/05/2016 04:39:17 PM
Update - Non-credible contingency event - SA region - 26/05/2016
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - SA region - 26/05/2016
Update to Market Notice 53526
At 0851 hrs the South East - Tailem Bend No. 1 275 kV Line and the South East No. 1 275 kV SVC tripped.
At 0930 hrs the South East - Tailem Bend No. 1 275 kV Line was returned to service
At 1617 hrs the South East No. 1 275 kV SVC was returned to service
The following Constraint Sets were revoked at 1630 hrs.
S-SE_VC_1
V-2RP
See the AEMO Network Outage Scheduler (NOS) for further information
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 - 26/05/2016
Update to Market Notice 53526
At 0851 hrs the South East - Tailem Bend No. 1 275 kV Line and the South East No. 1 275 kV SVC tripped.
At 0930 hrs the South East - Tailem Bend No. 1 275 kV Line was returned to service
At 1617 hrs the South East No. 1 275 kV SVC was returned to service
The following Constraint Sets were revoked at 1630 hrs.
S-SE_VC_1
V-2RP
See the AEMO Network Outage Scheduler (NOS) for further information
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
53526POWER SYSTEM EVENTS26/05/2016 09:14:35 AM
Non-credible contingency event - SA region - 26/05/2016
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - SA region - 26/05/2016
At 0851 hrs the South East Tailem Bend No. 1 275 kV Line and the South East No. 1 275 kV SVC tripped.
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 - 26/05/2016
At 0851 hrs the South East Tailem Bend No. 1 275 kV Line and the South East No. 1 275 kV SVC tripped.
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
53516POWER SYSTEM EVENTS24/05/2016 06:57:10 PM
Update Non-credible contingency event - NSW region - 24 May 2016
AEMO ELECTRICITY MARKET NOTICE
Update Non-credible contingency event - NSW region - 24 May 2016
Refer market notice 53511,53515
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
At 1827 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A were 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 - NSW region - 24 May 2016
Refer market notice 53511,53515
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
At 1827 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A were 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