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112332MARKET INTERVENTION14/12/2023 04:57:58 PM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 13/12/2023
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 13/12/2023
Refer Market Notice 112261
The AEMO Intervention Event and all associated directions are cancelled from 1700 hrs 14/12/2023
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 13/12/2023
Refer Market Notice 112261
The AEMO Intervention Event and all associated directions are cancelled from 1700 hrs 14/12/2023
Manager NEM Real Time Operations
112326MARKET INTERVENTION14/12/2023 03:28:52 PM
Direction - SA region 14/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 14/12/2023
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 1535 hrs on 14/12/2023.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 14/12/2023
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 1535 hrs on 14/12/2023.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
112320GENERAL NOTICE14/12/2023 02:04:02 PM
Update - Vulnerbale lines - SA region
AEMO ELECTRICITY MARKET NOTICE.
Vulnerable lines in SA region.
[Special Reclassification of Transmission Lines during lightning]
Refer to AEMO Electricity Market Notices 111818
At 1350 28/11/2023 hrs Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers were reclassified due to the elements tripping at 0534 hrs 28/11/2023
The cause of trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the following elements to be vulnerable due to lightning.
Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers.
Manager NEM Real Time Operations
Vulnerable lines in SA region.
[Special Reclassification of Transmission Lines during lightning]
Refer to AEMO Electricity Market Notices 111818
At 1350 28/11/2023 hrs Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers were reclassified due to the elements tripping at 0534 hrs 28/11/2023
The cause of trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the following elements to be vulnerable due to lightning.
Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers.
Manager NEM Real Time Operations
112318MARKET INTERVENTION14/12/2023 02:29:57 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 112316
The synchronous generating units currently expected to be synchronised in SA from 0800 hrs 15/12/2023 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1530 hrs 14/12/2023, 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 112316
The synchronous generating units currently expected to be synchronised in SA from 0800 hrs 15/12/2023 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1530 hrs 14/12/2023, 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
112316MARKET INTERVENTION14/12/2023 12:51:59 PM
Possible intervention to manage power system security in South Australia (SA) Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 15/12/2023 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
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 South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 15/12/2023 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
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
112308PRICES SUBJECT TO REVIEW14/12/2023 11:25:24 AM
[EventId:202312141130_review] Prices for interval 14-Dec-2023 11:30 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1125 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:30.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1125 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:30.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
112307PRICES SUBJECT TO REVIEW14/12/2023 11:20:30 AM
[EventId:202312141125_review] Prices for interval 14-Dec-2023 11:25 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1120 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:25.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1120 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:25.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
112306PRICES SUBJECT TO REVIEW14/12/2023 11:15:25 AM
[EventId:202312141120_review] Prices for interval 14-Dec-2023 11:20 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1115 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:20.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1115 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:20.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
112305PRICES SUBJECT TO REVIEW14/12/2023 11:10:24 AM
[EventId:202312141115_review] Prices for interval 14-Dec-2023 11:15 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1110 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:15.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1110 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:15.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.