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116432RECLASSIFY CONTINGENCY02/05/2024 01:45:50 PM
Cancellation of the reclassification of a Non-Credible contingency event: Farrell - Sheffield Nos 1 and 2 220kV Lines line in TAS due to Bushfire.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event due to Bushfire. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any non credible event activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS
Lines: Farrell - Sheffield Nos 1 and 2 220kV Lines
Cancellation time: 13:45 hrs 02/05/2024
Constraint set(s) revoked:
T-FASH_N-2_CP4_SB
T-NIL_WCP_CLOSE
Refer AEMO Electricity Market Notice 116427
Manager NEM Real Time Operations
Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event due to Bushfire. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any non credible event activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS
Lines: Farrell - Sheffield Nos 1 and 2 220kV Lines
Cancellation time: 13:45 hrs 02/05/2024
Constraint set(s) revoked:
T-FASH_N-2_CP4_SB
T-NIL_WCP_CLOSE
Refer AEMO Electricity Market Notice 116427
Manager NEM Real Time Operations
116431MARKET INTERVENTION02/05/2024 01:07:46 PM
Update - Possible intervention to manage power system security in SA region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 116413
The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 03/05/2024 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
Refer AEMO Electricity Market Notice 116413
The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 03/05/2024 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
116430MARKET INTERVENTION02/05/2024 02:00:04 PM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 01/05/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 01/05/2024
Refer Market Notice 116398
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 02/05/2024
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 01/05/2024
Refer Market Notice 116398
The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 02/05/2024
Manager NEM Real Time Operations
116427RECLASSIFY CONTINGENCY02/05/2024 11:29:39 AM
Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and 2 220kV Lines in TAS due to Bushfire.
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS
Lines: Farrell - Sheffield No. 1 and 2 220kV Lines
Duration:11:35 hrs 02/05/2024 until further notice
Constraint set(s) invoked:
T-NIL_WCP_CLOSE
T-FASH_N-2_CP4_SB
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS
Lines: Farrell - Sheffield No. 1 and 2 220kV Lines
Duration:11:35 hrs 02/05/2024 until further notice
Constraint set(s) invoked:
T-NIL_WCP_CLOSE
T-FASH_N-2_CP4_SB
Manager NEM Real Time Operations
116413MARKET INTERVENTION01/05/2024 11:51:45 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 0200 hrs 03/05/2024 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 0200 hrs 03/05/2024 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
116398MARKET INTERVENTION01/05/2024 04:02:39 PM
Direction - SA region 01/05/2024
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 01/05/2024
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 01/05/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 01/05/2024
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 01/05/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
116397MARKET INTERVENTION01/05/2024 02:56:38 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 116393
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 02/05/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 01/05/2024, 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 116393
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 02/05/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 01/05/2024, 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
116396MARKET INTERVENTION01/05/2024 03:27:57 PM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 30/04/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 30/04/2024
Refer Market Notice 116386
The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 01/05/2024
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 30/04/2024
Refer Market Notice 116386
The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 01/05/2024
Manager NEM Real Time Operations
116393MARKET INTERVENTION01/05/2024 11:44:08 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 0830 hrs 02/05/2024 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 0830 hrs 02/05/2024 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