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112218MARKET INTERVENTION13/12/2023 06:48:53 AM
Possible intervention to manage power system security in SA Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0130 hrs 14/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0130 hrs 14/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
112212MARKET INTERVENTION12/12/2023 05:01:31 PM
Direction - SA region 12/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 12/12/2023
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA 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 1705 hrs on 12/12/2023.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 12/12/2023
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA 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 1705 hrs on 12/12/2023.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
112206MARKET INTERVENTION12/12/2023 02:23:46 PM
Update - Possible intervention to manage power system security in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 112204
The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 13/12/2023 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 12/12/2023, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 112204
The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 13/12/2023 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 12/12/2023, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
112204MARKET INTERVENTION12/12/2023 12:54:12 PM
Possible intervention to manage power system security in SA Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 13/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 13/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
112188INTER-REGIONAL TRANSFER11/12/2023 04:31:45 PM
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
At 1446 hrs 11/12/2023 there was an unplanned outage of Blyth West- Munno Para 275 kV Line.
However, due to the concurrent Non-credible contingency event - SA region - 11/12/2023, refer AEMO Electricity Market Notice 112187, additional inter-regional constraints were not required until the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) invoked at 1610 hrs 11/12/2023
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
At 1446 hrs 11/12/2023 there was an unplanned outage of Blyth West- Munno Para 275 kV Line.
However, due to the concurrent Non-credible contingency event - SA region - 11/12/2023, refer AEMO Electricity Market Notice 112187, additional inter-regional constraints were not required until the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) invoked at 1610 hrs 11/12/2023
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
112185MARKET INTERVENTION11/12/2023 03:20:21 PM
Update - Possible intervention to manage power system security in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 112176
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 0800 hrs 12/12/2023, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 112176
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 0800 hrs 12/12/2023, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
112178MARKET INTERVENTION11/12/2023 02:00:57 PM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 08/12/2023
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 08/12/2023
Refer Market Notice 112159
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 11/12/2023
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 08/12/2023
Refer Market Notice 112159
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 11/12/2023
Manager NEM Real Time Operations
112176MARKET INTERVENTION11/12/2023 12:46:58 PM
Possible intervention to manage power system security in SA Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 12/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
112159MARKET INTERVENTION10/12/2023 05:05:58 PM
Update - Direction - SA Region - 08/12/2023
AEMO ELECTRICITY MARKET NOTICE
Update - Direction - SA Region - 08/12/2023
Refer Market Notice 112113
The AEMO intervention event that commenced from interval ending 1635 hrs on 08/12/2023 is continuing.
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.
Manager NEM Real Time Operations
Update - Direction - SA Region - 08/12/2023
Refer Market Notice 112113
The AEMO intervention event that commenced from interval ending 1635 hrs on 08/12/2023 is continuing.
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.
Manager NEM Real Time Operations