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54985POWER SYSTEM EVENTS28/09/2016 04:24:43 PM
AEMO advises that a Black system condition exists in the South Australia region
AEMO ELECTRICITY MARKET NOTICE.
Power system emergency-Black system condition
AEMO advises that a Black system condition exists in the South Australia region
Manager NEM Real Time Operations
Power system emergency-Black system condition
AEMO advises that a Black system condition exists in the South Australia region
Manager NEM Real Time Operations
54933POWER SYSTEM EVENTS18/09/2016 09:51:10 PM
Update - Non-credible contingency event - Qld region - 18/09/16
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - Qld region - 18/09/16
Update to MN 54932.
At 2135 hrs the Ross 4 Transformer 132 kV CB 4442 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 - Qld region - 18/09/16
Update to MN 54932.
At 2135 hrs the Ross 4 Transformer 132 kV CB 4442 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
54932POWER SYSTEM EVENTS18/09/2016 08:59:12 PM
Non-credible contingency event - Qld region - 18/09/16
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Qld region - 18/09/16
At 1956 hrs the Ross 4 Transformer 132 kV CB 4442 opened at the 132 kV connection 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.
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Non-credible contingency event - Qld region - 18/09/16
At 1956 hrs the Ross 4 Transformer 132 kV CB 4442 opened at the 132 kV connection 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.
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
54639POWER SYSTEM EVENTS31/07/2016 06:25:53 AM
Non-credible contingency event - Tas Region - 31 July 2016
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Tas Region - 31 July 2016
At 0602 hrs the Farrell - Reece No 1 and the Farrell - Reece No 2 220 kV Lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
AEMO will reclassify this event as a credible contingency event due to lightning
Manager NEM Real Time Operations
Non-credible contingency event - Tas Region - 31 July 2016
At 0602 hrs the Farrell - Reece No 1 and the Farrell - Reece No 2 220 kV Lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
AEMO will reclassify this event as a credible contingency event due to lightning
Manager NEM Real Time Operations
54508RESERVE NOTICE14/07/2016 08:33:32 PM
Cancellation of Actual (LOR1) condition in the South Australia region - 14/07/16
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the South Australia region - 14/07/16
The Actual LOR1 Condition in the South Australia Region advised in AEMO Electricity Market Notice 54507 is cancelled at 2030 hrs 14/07/16
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the South Australia region - 14/07/16
The Actual LOR1 Condition in the South Australia Region advised in AEMO Electricity Market Notice 54507 is cancelled at 2030 hrs 14/07/16
Manager NEM Real Time Operations
54507RESERVE NOTICE14/07/2016 05:46:03 PM
Actual Lack Of Reserve Level 1 (LOR1) in the South Australia Region. 14/07/16
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the South Australia Region. 14/07/16.
An Actual LOR1 condition has been declared for the SA Region from 1745 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs
The contingency capacity reserve required is 440 MW
The minimum reserve available is 342 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the South Australia Region. 14/07/16.
An Actual LOR1 condition has been declared for the SA Region from 1745 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs
The contingency capacity reserve required is 440 MW
The minimum reserve available is 342 MW
Manager NEM Real Time Operations
54498POWER SYSTEM EVENTS14/07/2016 02:27:07 AM
Non-credible contingency event - Queensland Region - 14/07/16
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Queensland Region - 14/07/16
At 0103 hrs the Woree 275kV circuit breaker 8772 opened automatically offloading the Challumbin -Woree 275kV line
At 0117 hrs the Challumbin -Woree 275kV line was placed on load
At 0140 hrs the Woree 275kV circuit breaker 8772 opened automatically offloading the Challumbin -Woree 275kV line
At 0206 hrs the Challumbin -Woree 275kV line was placed on load
AEMO has not been advised of any disconnection of bulk electrical load.
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.
Manager NEM Real Time Operations
Non-credible contingency event - Queensland Region - 14/07/16
At 0103 hrs the Woree 275kV circuit breaker 8772 opened automatically offloading the Challumbin -Woree 275kV line
At 0117 hrs the Challumbin -Woree 275kV line was placed on load
At 0140 hrs the Woree 275kV circuit breaker 8772 opened automatically offloading the Challumbin -Woree 275kV line
At 0206 hrs the Challumbin -Woree 275kV line was placed on load
AEMO has not been advised of any disconnection of bulk electrical load.
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.
Manager NEM Real Time Operations
54480RESERVE NOTICE13/07/2016 09:09:28 PM
Cancellation of Actual (LOR1) condition in the South Australia region - 13/07/16
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the South Australia region - 13/07/16
The Actual LOR1 Condition in the South Australia Region advised in AEMO Electricity Market Notice 544785 is cancelled at 2100 hrs 13/07/16
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the South Australia region - 13/07/16
The Actual LOR1 Condition in the South Australia Region advised in AEMO Electricity Market Notice 544785 is cancelled at 2100 hrs 13/07/16
Manager NEM Real Time Operations
54478RESERVE NOTICE13/07/2016 06:04:37 PM
Actual Lack Of Reserve Level 1 (LOR1) in the South Australia Region. 13/07/16
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the South Australia Region. 13/07/16.
An Actual LOR1 condition has been declared for the SA Region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 2100 hrs
The contingency capacity reserve required is 400 MW
The minimum reserve available is 281 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the South Australia Region. 13/07/16.
An Actual LOR1 condition has been declared for the SA Region from 1800 hrs.
The Actual LOR1 condition is forecast to exist until 2100 hrs
The contingency capacity reserve required is 400 MW
The minimum reserve available is 281 MW
Manager NEM Real Time Operations