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117043RECLASSIFY CONTINGENCY18/06/2024 10:20:15 AM
Update - Non-credible contingency event - VIC region - 18/06/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - VIC region - 18/06/2024
Refer AEMO Electricity Market Notice 117042
The cause of this non credible contingency event is not known at this stage..
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: VIC
Elements: Glenrowan No1 66kV Bus
Duration: 0903 hrs 18/06/2024 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update - Non-credible contingency event - VIC region - 18/06/2024
Refer AEMO Electricity Market Notice 117042
The cause of this non credible contingency event is not known at this stage..
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: VIC
Elements: Glenrowan No1 66kV Bus
Duration: 0903 hrs 18/06/2024 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
117042POWER SYSTEM EVENTS18/06/2024 10:16:34 AM
Non-credible contingency event - VIC region - 18/06/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 18/06/2024
At 0839 hrs the Glenrowan No1 66kV Bus 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 - VIC region - 18/06/2024
At 0839 hrs the Glenrowan No1 66kV Bus 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
117014MARKET INTERVENTION14/06/2024 08:29:53 PM
Cancellation - Possible intervention to manage power system security in QLD region 14/06/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Possible intervention to manage power system security in QLD region 14/06/2024
Refer Market Notice 116996
AEMO no longer foresees a possible requirement for intervention to manage power system security in QLD region. The advice of possible intervention is cancelled from 2030 hrs 14/06/2024.
Manager NEM Real Time Operations
Cancellation - Possible intervention to manage power system security in QLD region 14/06/2024
Refer Market Notice 116996
AEMO no longer foresees a possible requirement for intervention to manage power system security in QLD region. The advice of possible intervention is cancelled from 2030 hrs 14/06/2024.
Manager NEM Real Time Operations
116996MARKET INTERVENTION14/06/2024 03:21:35 PM
Possible intervention to manage power system security in QLD Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in QLD region
The synchronous generating units currently expected to be synchronised in North QLD from 2100 hrs 14/06/2024 will be inadequate to maintain a secure operating state in North QLD.
AEMO estimates that, in the absence of sufficient market response by 2030 hrs 14/06/2024, AEMO may need to intervene by issuing a direction requiring one or more North QLD synchronous generating unit(s) to operate or remain synchronised to maintain power system security in QLD.
Manager NEM Real Time Operations
Possible intervention to manage power system security in QLD region
The synchronous generating units currently expected to be synchronised in North QLD from 2100 hrs 14/06/2024 will be inadequate to maintain a secure operating state in North QLD.
AEMO estimates that, in the absence of sufficient market response by 2030 hrs 14/06/2024, AEMO may need to intervene by issuing a direction requiring one or more North QLD synchronous generating unit(s) to operate or remain synchronised to maintain power system security in QLD.
Manager NEM Real Time Operations
116989MARKET INTERVENTION13/06/2024 10:00:13 PM
Cancellation - AEMO Intervention Event: Intervention trading intervals - Direction QLD region 13/06/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event: Intervention trading intervals - Direction QLD region 13/06/2024
Refer Market Notice 116987
The AEMO Intervention Event and all associated directions are cancelled from 2200 hrs 13/06/2024
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event: Intervention trading intervals - Direction QLD region 13/06/2024
Refer Market Notice 116987
The AEMO Intervention Event and all associated directions are cancelled from 2200 hrs 13/06/2024
Manager NEM Real Time Operations
116987MARKET INTERVENTION13/06/2024 08:30:12 PM
Direction - QLD region 13/06/2024
AEMO ELECTRICITY MARKET NOTICE.
Direction - QLD region 13/06/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the QLD region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 2035 hrs on 13/06/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - QLD region 13/06/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the QLD region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 2035 hrs on 13/06/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
116985MARKET INTERVENTION13/06/2024 05:29:34 PM
Possible intervention to manage power system security in QLD Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in QLD region
The synchronous generating units currently expected to be synchronised in North QLD from 2100 hrs 13/06/2024 will be inadequate to maintain a secure operating state in North QLD.
AEMO estimates that, in the absence of sufficient market response by 2030 hrs 13/06/2024, AEMO may need to intervene by issuing a direction requiring one or more North QLD synchronous generating unit(s) to operate or remain synchronised to maintain power system security in QLD.
Manager NEM Real Time Operations
Possible intervention to manage power system security in QLD region
The synchronous generating units currently expected to be synchronised in North QLD from 2100 hrs 13/06/2024 will be inadequate to maintain a secure operating state in North QLD.
AEMO estimates that, in the absence of sufficient market response by 2030 hrs 13/06/2024, AEMO may need to intervene by issuing a direction requiring one or more North QLD synchronous generating unit(s) to operate or remain synchronised to maintain power system security in QLD.
Manager NEM Real Time Operations
116967MARKET INTERVENTION12/06/2024 04:18:47 AM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 11/06/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 11/06/2024
Refer Market Notice 116945
The AEMO Intervention Event and all associated directions are cancelled from 0430 hrs 12/06/2024
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 11/06/2024
Refer Market Notice 116945
The AEMO Intervention Event and all associated directions are cancelled from 0430 hrs 12/06/2024
Manager NEM Real Time Operations
116965RECLASSIFY CONTINGENCY11/06/2024 11:09:06 PM
Cancellation of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 11/06/2024 23:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 116964
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 11/06/2024 23:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 116964
Auto-generated on behalf of Manager NEM Real Time Operations