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Cancellation of a Non-Credible Contingency Event: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers in SA region due to Lightning
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA1
Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers
Cancellation time: 14/12/2023 14:10
Constraint set(s) revoked: S-RBTU+SCON_N-2
Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
Refer AEMO Electricity Market Notice 111818
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.