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58445MARKET INTERVENTION25/04/2017 02:31:56 PM
Update - Direction - South Australia region - 25/04/17
AEMO ELECTRICITY MARKET NOTICE.
Refer to AEMO Electricity Market Notice No. 58442
From 0950 hrs to 1430 hrs AEMO applied a constraint to a generating unit in the South Australia region to minimise the effect on interconnector flows and minimise the number of Affected Participants in accordance with clause 4.8.9(h) of the National Electricity Rules.
Manager NEM Real Time Operations
Refer to AEMO Electricity Market Notice No. 58442
From 0950 hrs to 1430 hrs AEMO applied a constraint to a generating unit in the South Australia region to minimise the effect on interconnector flows and minimise the number of Affected Participants in accordance with clause 4.8.9(h) of the National Electricity Rules.
Manager NEM Real Time Operations
58442MARKET INTERVENTION25/04/2017 09:54:49 AM
Update - Direction - South Australia region - 25/04/17
AEMO ELECTRICITY MARKET NOTICE.
Refer to AEMO Electricity Market Notice No. 58439
At 0950 hrs, AEMO applied a constraint to a generating unit in the South Australia region to minimise the effect on interconnector flows and minimise the number of Affected Participants in accordance with clause 4.8.9(h) of the National Electricity Rules.
Manager NEM Real Time Operations
Refer to AEMO Electricity Market Notice No. 58439
At 0950 hrs, AEMO applied a constraint to a generating unit in the South Australia region to minimise the effect on interconnector flows and minimise the number of Affected Participants in accordance with clause 4.8.9(h) of the National Electricity Rules.
Manager NEM Real Time Operations
58441MARKET INTERVENTION25/04/2017 08:37:02 AM
AEMO Intervention Event intervention price dispatch intervals - 25/04/17
AEMO ELECTRICITY MARKET NOTICE.
AEMO Intervention Event intervention price dispatch intervals - 25/04/17
Refer AEMO Electricity Market Notice no. 58439
An AEMO Intervention Event has occurred. AEMO has issued a direction to maintain the power system in a secure operating state.
AEMO declares all dispatch intervals during the AEMO Intervention Event to be intervention price dispatch intervals.
The AEMO Intervention Event commenced in the 0750 hrs dispatch interval and is forecast to apply until 1200 hrs 26/04/17
Intervention pricing will be implemented during the AEMO Intervention Event.
Manager NEM Real Time Operations
AEMO Intervention Event intervention price dispatch intervals - 25/04/17
Refer AEMO Electricity Market Notice no. 58439
An AEMO Intervention Event has occurred. AEMO has issued a direction to maintain the power system in a secure operating state.
AEMO declares all dispatch intervals during the AEMO Intervention Event to be intervention price dispatch intervals.
The AEMO Intervention Event commenced in the 0750 hrs dispatch interval and is forecast to apply until 1200 hrs 26/04/17
Intervention pricing will be implemented during the AEMO Intervention Event.
Manager NEM Real Time Operations
58439MARKET INTERVENTION25/04/2017 08:12:26 AM
Direction - South Australia region 25/04/17
AEMO ELECTRICITY MARKET NOTICE.
Direction - South Australia region 25/04/17
In accordance with section 116 of the National Electricity Law AEMO has issued a direction to a participant in the South Australia region.
The direction was necessary to maintain the power system in a secure operating state.
The direction was issued at 0745 hrs 25/04/17 and is expected to stay in place until 1200 hrs 26/04/17.
Manager NEM Real Time Operations
Direction - South Australia region 25/04/17
In accordance with section 116 of the National Electricity Law AEMO has issued a direction to a participant in the South Australia region.
The direction was necessary to maintain the power system in a secure operating state.
The direction was issued at 0745 hrs 25/04/17 and is expected to stay in place until 1200 hrs 26/04/17.
Manager NEM Real Time Operations
58433MARKET INTERVENTION25/04/2017 03:07:06 AM
AEMO Intervention Event intervention price dispatch intervals - 25/04/17
AEMO ELECTRICITY MARKET NOTICE.
AEMO Intervention Event intervention price dispatch intervals - 25/04/17
Refer AEMO Electricity Market Notice no. 58432.
An AEMO Intervention Event has occurred. AEMO has issued a direction to maintain the power system in a secure operating state.
AEMO declares all dispatch intervals during the AEMO Intervention Event to be intervention price dispatch intervals.
The AEMO Intervention Event commenced in the 0305 hrs dispatch interval and is forecast to apply until further notice.
Intervention pricing will be implemented during the AEMO Intervention Event.
Manager NEM Real Time Operations
AEMO Intervention Event intervention price dispatch intervals - 25/04/17
Refer AEMO Electricity Market Notice no. 58432.
An AEMO Intervention Event has occurred. AEMO has issued a direction to maintain the power system in a secure operating state.
AEMO declares all dispatch intervals during the AEMO Intervention Event to be intervention price dispatch intervals.
The AEMO Intervention Event commenced in the 0305 hrs dispatch interval and is forecast to apply until further notice.
Intervention pricing will be implemented during the AEMO Intervention Event.
Manager NEM Real Time Operations
58432MARKET INTERVENTION25/04/2017 03:06:49 AM
Direction - South Australia region 25/04/17
AEMO ELECTRICITY MARKET NOTICE.
Direction - South Australia region 25/04/17
In accordance with section 116 of the National Electricity Law AEMO has issued a direction to a participant in the South Australia region.
The direction was necessary to maintain the power system in a secure operating state.
The direction was issued at 0234 hrs and is expected to stay in place until further notice.
Manager NEM Real Time Operations
Direction - South Australia region 25/04/17
In accordance with section 116 of the National Electricity Law AEMO has issued a direction to a participant in the South Australia region.
The direction was necessary to maintain the power system in a secure operating state.
The direction was issued at 0234 hrs and is expected to stay in place until further notice.
Manager NEM Real Time Operations
58398POWER SYSTEM EVENTS18/04/2017 05:45:58 PM
Cancellation - Non-credible contingency event - Vic region - 18/04/17
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Non-credible contingency event - Vic region - 18/04/17
Update to AEMO Electricity Market Notice 58395
AEMO has received further information regarding this event. The protection that tripped the Moorabool - Mortlake 500 kV Line at the Moorabool end only operated as per design. Hence, AEMO no longer considers this to be a non-credible contingency event.
The Moorabool - Mortlake 500 kV Line remains out of service. Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Cancellation - Non-credible contingency event - Vic region - 18/04/17
Update to AEMO Electricity Market Notice 58395
AEMO has received further information regarding this event. The protection that tripped the Moorabool - Mortlake 500 kV Line at the Moorabool end only operated as per design. Hence, AEMO no longer considers this to be a non-credible contingency event.
The Moorabool - Mortlake 500 kV Line remains out of service. Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
58395POWER SYSTEM EVENTS18/04/2017 12:43:07 PM
Non-credible contingency event - Vic region - 18/04/17
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Vic region - 18/04/17
Update to AEMO Electricity Market Notice 58394
At 1107 hrs the Moorabool - Mortlake 500 kV Line tripped at the Moorabool end only.
At 1110 hrs the Moorabool - Mortlake 500 kV Line was manually de-energised by opening at the Mortlake end.
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 - Vic region - 18/04/17
Update to AEMO Electricity Market Notice 58394
At 1107 hrs the Moorabool - Mortlake 500 kV Line tripped at the Moorabool end only.
At 1110 hrs the Moorabool - Mortlake 500 kV Line was manually de-energised by opening at the Mortlake end.
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
58391POWER SYSTEM EVENTS15/04/2017 08:10:36 PM
Update - Non-credible contingency event - NSW Region - 15 Apr 2017
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - NSW Region - 15 Apr 2017
Refer Market Notice 58390
At 1644 hrs the Broken Hill No 2 220/22 kV Transformer and No 2 Section 22 kV Bus tripped. This equipment has been 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 - 15 Apr 2017
Refer Market Notice 58390
At 1644 hrs the Broken Hill No 2 220/22 kV Transformer and No 2 Section 22 kV Bus tripped. This equipment has been 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