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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
55001POWER SYSTEM EVENTS28/09/2016 06:17:51 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 1813 hrs the restoration is proceeding as per AEMO's restoration plan a connection to Victoria has been restored. As more information becomes available further updates will be sent.
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 1813 hrs the restoration is proceeding as per AEMO's restoration plan a connection to Victoria has been restored. As more information becomes available further updates will be sent.
Manager NEM Real Time Operations
54994POWER SYSTEM EVENTS28/09/2016 04:53:13 PM
AEMO has become aware of the following circumstance(s) with respect to the South Australian power system,
AEMO ELECTRICITY MARKET NOTICE.
POWER SYSTEM EVENT
AEMO has become aware of the following circumstance(s) with respect to the power system,
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.
The exact number of effected transmission elements are unknown at this time.
Approximately 1900MW was shed as part of this incident. All generation and load in SA was lost.
AEMO has initiated its South Australian black start procedures and has begun restoring South Australia from two sources.
AEMO has issued this Market Notice in accordance with the NER Cl 4.8.3.
Manager NEM Real Time Operations
POWER SYSTEM EVENT
AEMO has become aware of the following circumstance(s) with respect to the power system,
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.
The exact number of effected transmission elements are unknown at this time.
Approximately 1900MW was shed as part of this incident. All generation and load in SA was lost.
AEMO has initiated its South Australian black start procedures and has begun restoring South Australia from two sources.
AEMO has issued this Market Notice in accordance with the NER Cl 4.8.3.
Manager NEM Real Time Operations
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
54922RESERVE NOTICE16/09/2016 03:27:38 PM
Cancellation of the Actual (LOR2) condition in the South Australia region - 16 Sept 2016
AEMO ELECTRICITY MARKET NOTICE
Cancellation of the Actual (LOR2) condition in the South Australia region - 16 Sept 2016
Refer to AEMO Electricity Market Notice No. 54919
The Actual LOR2 condition in the South Australia Region is cancelled at 1525 hrs 16 Sept 2016
Manager NEM Real Time Operations
Cancellation of the Actual (LOR2) condition in the South Australia region - 16 Sept 2016
Refer to AEMO Electricity Market Notice No. 54919
The Actual LOR2 condition in the South Australia Region is cancelled at 1525 hrs 16 Sept 2016
Manager NEM Real Time Operations
54919RESERVE NOTICE16/09/2016 07:14:30 AM
Actual LOR2 South Australia Region - 16 Sept 16
AEMO ELECTRICITY MARKET NOTICE
Actual LOR2 South Australia Region - 16 Sept 16
Refer AEMO Electricity Market Notice 54865
An actual LOR2 condition has been declared for the South Australia region from 0700 hrs and is forecast to continue until 1700 hrs during a planned outage of Moorabool - Mortlake 500 kV line in the Victoria region.
If a credible contingency event occurs in this period the South Australia region would separate from the rest of the NEM and is likely to result in interruptions to power supplies.
There are sufficient capacity reserves in the South Australia region to meet electricity demand but it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing power interruptions.
Manager NEM Real Time Operations
Actual LOR2 South Australia Region - 16 Sept 16
Refer AEMO Electricity Market Notice 54865
An actual LOR2 condition has been declared for the South Australia region from 0700 hrs and is forecast to continue until 1700 hrs during a planned outage of Moorabool - Mortlake 500 kV line in the Victoria region.
If a credible contingency event occurs in this period the South Australia region would separate from the rest of the NEM and is likely to result in interruptions to power supplies.
There are sufficient capacity reserves in the South Australia region to meet electricity demand but it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing power interruptions.
Manager NEM Real Time Operations