Filter by:
Filter by category
Filter by Date
From
To
55495POWER SYSTEM EVENTS29/10/2016 06:15:11 PM
Update - Non-credible contingency event - NSW Region - 28 Oct 2016
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - NSW Region - 28 Oct 2016
Refer to MN 55483
At 1400hrs 29/10/16 the Canberra - Williamsdale No.3C 330kV transmission line and the Williamsdale 1 330/132 kV transformer 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 - 28 Oct 2016
Refer to MN 55483
At 1400hrs 29/10/16 the Canberra - Williamsdale No.3C 330kV transmission line and the Williamsdale 1 330/132 kV transformer 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
55483POWER SYSTEM EVENTS28/10/2016 07:33:44 AM
Non-credible contingency event - NSW region - 28 Oct 2016
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - NSW region - 28 Oct 2016
At 0543 hrs the Canberra - Williamsdale No.3C 330kV transmission line and the Williamsdale 1 330/132 kV transformer 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 - NSW region - 28 Oct 2016
At 0543 hrs the Canberra - Williamsdale No.3C 330kV transmission line and the Williamsdale 1 330/132 kV transformer 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
55456POWER SYSTEM EVENTS21/10/2016 09:26:29 PM
Update - Non-credible contingency event - Qld Region - 21 Oct 2016
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - Qld Region - 21 Oct 2016
Refer to MN 55453
At 2101 hrs the Townsville South No 2 132kV Bus 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 - 21 Oct 2016
Refer to MN 55453
At 2101 hrs the Townsville South No 2 132kV Bus 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
55453POWER SYSTEM EVENTS21/10/2016 02:34:05 PM
Non-credible contingency event - Queensland region 21 October 2016
AEMO ELECTRICITY MARKET NOTICE
Townsville South Number 2 bus trip.
AEMO has become aware of the following circumstance(s) with respect to the power system,
At 1408 hrs the Townsville South Number 2 bus tripped. This disconnected the following feeders:
7303 Townsville South - Mount Stuart 132 kV line
7243 Townsville South - Mount Stuart 132 kV line
7130 Townsville South - Invicta Mill Tee Clare South 132 kV line
7249 Townsville South - Ross 132 kV line
7237 Townsville South - Townsville Zinc 132 kV line
The following constraint sets have been invoked
Q-MSPTS_7243
Q-MSPTS_7303
AEMO did not instruct load shedding.
Simultaneously with this event AEMO has observed a reduction in the electrical demand in the Queensland region of approximately 60 MW.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Townsville South Number 2 bus trip.
AEMO has become aware of the following circumstance(s) with respect to the power system,
At 1408 hrs the Townsville South Number 2 bus tripped. This disconnected the following feeders:
7303 Townsville South - Mount Stuart 132 kV line
7243 Townsville South - Mount Stuart 132 kV line
7130 Townsville South - Invicta Mill Tee Clare South 132 kV line
7249 Townsville South - Ross 132 kV line
7237 Townsville South - Townsville Zinc 132 kV line
The following constraint sets have been invoked
Q-MSPTS_7243
Q-MSPTS_7303
AEMO did not instruct load shedding.
Simultaneously with this event AEMO has observed a reduction in the electrical demand in the Queensland region of approximately 60 MW.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
55046POWER SYSTEM EVENTS29/09/2016 06:28:32 PM
AEMO advises that a Black system condition in the South Australia region is no longer current.
AEMO ELECTRICITY MARKET NOTICE.
AEMO advises that a Black system condition in the South Australia region is no longer current.
Refer Market notice 54985
AEMO has given clearance to restore the last load block in South Australia.
The Black System condition is lifted at 1825 hrs 29 September 2016.
The Spot Market will continue to be suspended, please refer to AEMO Market notice 55047
Manager NEM Real Time Operations
AEMO advises that a Black system condition in the South Australia region is no longer current.
Refer Market notice 54985
AEMO has given clearance to restore the last load block in South Australia.
The Black System condition is lifted at 1825 hrs 29 September 2016.
The Spot Market will continue to be suspended, please refer to AEMO Market notice 55047
Manager NEM Real Time Operations
55029POWER SYSTEM EVENTS29/09/2016 05:42:28 AM
Update to South Australian system black restoration.
AEMO ELECTRICITY MARKET NOTICE.
POWER SYSTEM EVENT
At 1618 hrs Wednesday, 28 September the SA power system separated from the NEM and became black. A very large lightning storm was traveling across the state at the time. Refer MN# 54994
At 0520 hrs the restoration is proceeding with approx. 900 MW restored in the South Australian region - load will continue to be restored and further updates will be given when information becomes available.
Due to potential damage in the north of the state, restoration in this part of the network could be delayed.
Manager NEM Real Time Operations
POWER SYSTEM EVENT
At 1618 hrs Wednesday, 28 September the SA power system separated from the NEM and became black. A very large lightning storm was traveling across the state at the time. Refer MN# 54994
At 0520 hrs the restoration is proceeding with approx. 900 MW restored in the South Australian region - load will continue to be restored and further updates will be given when information becomes available.
Due to potential damage in the north of the state, restoration in this part of the network could be delayed.
Manager NEM Real Time Operations
55021POWER SYSTEM EVENTS28/09/2016 10:14:55 PM
Update to South Australian system black restoration.
AEMO ELECTRICITY MARKET NOTICE.
POWER SYSTEM EVENT
At 1618 hrs the SA power system separated from the NEM and became black. A very large lightning storm was traveling across the state at the time. Refer MN# 54994
At 2210 hrs the restoration is proceeding with 700MW restored in the South Australian region - load will continue to be restored and further updates will be given when information becomes available.
Due to potential damage in the north of the state, restoration in this part of the network could be delayed.
Manager NEM Real Time Operations
POWER SYSTEM EVENT
At 1618 hrs the SA power system separated from the NEM and became black. A very large lightning storm was traveling across the state at the time. Refer MN# 54994
At 2210 hrs the restoration is proceeding with 700MW restored in the South Australian region - load will continue to be restored and further updates will be given when information becomes available.
Due to potential damage in the north of the state, restoration in this part of the network could be delayed.
Manager NEM Real Time Operations
55017POWER SYSTEM EVENTS28/09/2016 08:14:05 PM
Update to South Australian system black restoration.
AEMO ELECTRICITY MARKET NOTICE.
POWER SYSTEM EVENT
At 1618 hrs the SA power system separated from the NEM and became black. A very large lightning storm was traveling across the state at the time. Refer MN# 54994
At 2010 hrs the restoration is proceding with 300MW restored in the South Australian region - load will continue to be resotred and further updates will be given when information becomes available.
Manager NEM Real Time Operations
POWER SYSTEM EVENT
At 1618 hrs the SA power system separated from the NEM and became black. A very large lightning storm was traveling across the state at the time. Refer MN# 54994
At 2010 hrs the restoration is proceding with 300MW restored in the South Australian region - load will continue to be resotred and further updates will be given when information becomes available.
Manager NEM Real Time Operations
55010POWER SYSTEM EVENTS28/09/2016 08:04:53 PM
Update to South Australian system black restoration.
AEMO ELECTRICITY MARKET NOTICE.
POWER SYSTEM EVENT
Power is being restored to SA via the Victora to South Australia Heywood interconnector.,
At 1940 hrs the following constraint was applied to the Victoria to South Australia Heywood interconnector.
#V-SA_E
The RHS of this constraint will be varied as required.
Manager NEM Real Time Operations
POWER SYSTEM EVENT
Power is being restored to SA via the Victora to South Australia Heywood interconnector.,
At 1940 hrs the following constraint was applied to the Victoria to South Australia Heywood interconnector.
#V-SA_E
The RHS of this constraint will be varied as required.
Manager NEM Real Time Operations