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Update - Non-credible contingency event - NSW region - 23/01/2025
Update - Non-credible contingency event - NSW region - 23/01/2025
Refer AEMO Electricity Market Notice 123613
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: NSW
Elements: Kempsey - Macksville 9W5 and the Kempsey - Raleigh 9W2 132kV Lines
Duration: 0250 hrs 23/01/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 23/01/2025
Non-credible contingency event - NSW region - 23/01/2025
At 0240 hrs the Kempsey - Macksville 9W5 and the Kempsey - Raleigh 9W2 132kV Lines tripped and auto reclosed.
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 is not known at this stage.
Manager NEM Real Time Operations
[EventId:202501222200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 22 January 2025 22:00
Issued by Australian Energy Market Operator Ltd at 2200 hrs on 22 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 January 2025.
Refer to market notice: 123585
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 2200 hrs on 22 January 2025.
This is an AEMO autogenerated Market Notice.
Cancellation of Actual (LOR2) condition in the QLD region - 22/01/2025
Cancellation of Actual (LOR2) condition in the QLD region - 22/01/2025
The Actual LOR2 Condition in the QLD Region advised in AEMO Electricity Market Notice No.123594 is cancelled at 1945 hrs 22/01/2025.
Manager NEM Real Time Operations
[EventId:202501221930_NRM_NSW1_QLD1_stopped] NEGRES CONSTRAINT NRM_NSW1_QLD1 ceased operating from 22 January 2025 19:30
Issued by Australian Energy Market Operator Ltd at 1930 hrs on 22 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to QLD - 22 January 2025.
Refer to market notice: 123591
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to QLD directional interconnector.
The negative residue constraint NRM_NSW1_QLD1 ceased operating at 1930 hrs on 22 January 2025.
This is an AEMO autogenerated Market Notice.
Actual Lack Of Reserve Level 2 (LOR2) in the QLD region - 22/01/2025
Actual Lack Of Reserve Level 2 (LOR2) in the QLD region - 22/01/2025
An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1830 hrs.
The Actual LOR2 condition is forecast to exist until 1900 hrs.
The forecast capacity reserve requirement is 515 MW.
The minimum capacity reserve available is 395 MW.
AEMO is seeking an immediate market response.
An insufficient market response may require AEMO to implement an AEMO intervention event.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 22/01/2025
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Period:
[1.] From 1830 hrs 22/01/2025 to 1900 hrs 22/01/2025.
The forecast capacity reserve requirement is 456 MW.
The minimum capacity reserve available is 343 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
[EventId:202501221800_NRM_NSW1_QLD1_started] NEGRES CONSTRAINT NRM_NSW1_QLD1 started operating from 22 January 2025 18:00
Issued by Australian Energy Market Operator Ltd at 1800 hrs on 22 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to QLD - 22 January 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to QLD directional interconnector.
The negative residue constraint set NRM_NSW1_QLD1 commenced operating from 1800 hrs on 22 January 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
[EventId:202501221645_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 22 January 2025 16:45
Issued by Australian Energy Market Operator Ltd at 1645 hrs on 22 January 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 January 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1645 hrs on 22 January 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.