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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
116963SETTLEMENTS RESIDUE11/06/2024 07:00:26 PM
[EventId:202406111900_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 11 June 2024 19:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1900 hrs on 11 June 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 June 2024.
Refer to market notice: 116955
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1900 hrs on 11 June 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1900 hrs on 11 June 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 June 2024.
Refer to market notice: 116955
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1900 hrs on 11 June 2024.
This is an AEMO autogenerated Market Notice.
116955SETTLEMENTS RESIDUE11/06/2024 06:06:34 PM
[EventId:202406111805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 11 June 2024 18:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1805 hrs on 11 June 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 June 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1805 hrs on 11 June 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1805 hrs on 11 June 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 June 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1805 hrs on 11 June 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.