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Update - Non-credible contingency event - TAS region - 03/02/2025
Update - Non-credible contingency event - TAS region - 03/02/2025
Refer AEMO Electricity Market Notice 124043
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: TAS
Elements: Farrell - Reece No.1 and No.2 220 kV lines
Duration: 1410 hrs 03/02/2025 until further notice
Constraint set(s) invoked: F-T-FARE_N-2
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 03/02/2025
Non-credible contingency event - TAS region - 03/02/2025
At 1333 hrs the Farrell - Reece No.1 and No.2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
[EventId:202502011830_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 01 February 2025 18:30
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 1 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 1 February 2025.
Refer to market notice: 123990
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1830 hrs on 1 February 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202502011700_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 01 February 2025 17:00
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 1 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 1 February 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1700 hrs on 1 February 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
[EventId:202501301835_review] Prices for interval 30-Jan-2025 18:35 are subject to review
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 30 January 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Jan-2025 18:35.
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:202501301830_review] Prices for interval 30-Jan-2025 18:30 are subject to review
Issued by Australian Energy Market Operator Ltd at 1825 hrs on 30 January 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Jan-2025 18:30.
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:202501301825_review] Prices for interval 30-Jan-2025 18:25 are subject to review
Issued by Australian Energy Market Operator Ltd at 1820 hrs on 30 January 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Jan-2025 18:25.
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:202501301820_review] Prices for interval 30-Jan-2025 18:20 are subject to review
Issued by Australian Energy Market Operator Ltd at 1815 hrs on 30 January 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Jan-2025 18:20.
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:202501301815_review] Prices for interval 30-Jan-2025 18:15 are subject to review
Issued by Australian Energy Market Operator Ltd at 1810 hrs on 30 January 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 30-Jan-2025 18:15.
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.