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116346INTER-REGIONAL TRANSFER27/04/2024 08:41:29 AM
Inter-regional transfer limit variation - Dapto - Marulan No. 8 330 kV Line - NSW region - 27/04/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Dapto - Marulan No. 8 330 kV Line - NSW region - 27/04/2024
At 0830 hrs 27/04/2024 there was a short notice outage of Dapto - Marulan No. 8 330 kV Line.
Constraint set(s) invoked: N-DTMN_8_15M
This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Dapto - Marulan No. 8 330 kV Line - NSW region - 27/04/2024
At 0830 hrs 27/04/2024 there was a short notice outage of Dapto - Marulan No. 8 330 kV Line.
Constraint set(s) invoked: N-DTMN_8_15M
This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
116345NON-CONFORMANCE26/04/2024 10:45:22 PM
NON-CONFORMANCE Region VIC1 Friday, 26 April 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Friday, 26 April 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YWPS3
Duration: 26/04/2024 22:40 to 26/04/2024 22:45
Amount: 17 MW
Constraint: NC-V_YWPS3
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Friday, 26 April 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YWPS3
Duration: 26/04/2024 22:40 to 26/04/2024 22:45
Amount: 17 MW
Constraint: NC-V_YWPS3
Auto-generated on behalf of Manager NEM Real Time Operations
116344MARKET INTERVENTION26/04/2024 03:00:26 PM
Direction - SA region 26/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 26/04/2024
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 1505 hrs on 26/04/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 26/04/2024
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 1505 hrs on 26/04/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
116342MARKET INTERVENTION26/04/2024 02:46:26 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 116341
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 27/04/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1500 hrs 26/04/2024, 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 116341
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 27/04/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1500 hrs 26/04/2024, 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
116341MARKET INTERVENTION26/04/2024 01:27:41 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 0900 hrs 27/04/2024 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 0900 hrs 27/04/2024 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
116340RECLASSIFY CONTINGENCY26/04/2024 12:22:41 PM
Update - Non-credible contingency event - NSW region - 26/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 26/04/2024
Refer AEMO Electricity Market Notice 116339.
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: NSW
Elements: Griffith to Darlington Point 132kV line (99K) and the Darlington Point BESS
Duration: 1215 hrs 26/04/2024 until further notice
Constraint set(s) invoked: NIL
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 26/04/2024
Refer AEMO Electricity Market Notice 116339.
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: NSW
Elements: Griffith to Darlington Point 132kV line (99K) and the Darlington Point BESS
Duration: 1215 hrs 26/04/2024 until further notice
Constraint set(s) invoked: NIL
Manager NEM Real Time Operations
116339POWER SYSTEM EVENTS26/04/2024 12:12:59 PM
Non-credible contingency event - NSW region - 26/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 26/04/2024
At 1112 hrs the Griffith to Darlington Point 132kV line (99K) and the Darlington Point BESS disconnected.
AEMO did not instruct load shedding.
AEMO observed 5 MW of electrical load lost.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 26/04/2024
At 1112 hrs the Griffith to Darlington Point 132kV line (99K) and the Darlington Point BESS disconnected.
AEMO did not instruct load shedding.
AEMO observed 5 MW of electrical load lost.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
116338MARKET INTERVENTION26/04/2024 07:00:06 AM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/04/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/04/2024
Refer Market Notice 116336
The AEMO Intervention Event and all associated directions are cancelled from 0650 hrs 26/04/2024
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/04/2024
Refer Market Notice 116336
The AEMO Intervention Event and all associated directions are cancelled from 0650 hrs 26/04/2024
Manager NEM Real Time Operations
116336MARKET INTERVENTION25/04/2024 04:01:27 PM
Direction - SA region 25/04/2024
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 25/04/2024
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 1605 hrs on 25/04/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 25/04/2024
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 1605 hrs on 25/04/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations