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Update - Vulnerbale lines - SA region
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
Update - Possible intervention to manage power system security in SA region
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
Possible intervention to manage power system security in South Australia (SA) Region
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
[EventId:202312141130_review] Prices for interval 14-Dec-2023 11:30 are subject to review
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.
[EventId:202312141125_review] Prices for interval 14-Dec-2023 11:25 are subject to review
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.
[EventId:202312141120_review] Prices for interval 14-Dec-2023 11:20 are subject to review
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.
[EventId:202312141115_review] Prices for interval 14-Dec-2023 11:15 are subject to review
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.
[EventId:202312141110_review] Prices for interval 14-Dec-2023 11:10 are subject to review
Issued by Australian Energy Market Operator Ltd at 1105 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:10.
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.
[EventId:202312141105_review] Prices for interval 14-Dec-2023 11:05 are subject to review
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 14 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:05.
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.