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[EventId:202409291820_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 29 September 2024 18:20
Issued by Australian Energy Market Operator Ltd at 1820 hrs on 29 September 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 September 2024.
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 1820 hrs on 29 September 2024.
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.
Cancellation of Actual (LOR1) condition in the NSW region - 26/09/2024
Cancellation of Actual (LOR1) condition in the NSW region - 26/09/2024
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.118473 is cancelled at 2000 hrs 26/09/2024.
Manager NEM Real Time Operations
Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024
Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024
The Actual LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 118472 has been updated at 1850 hrs to the following:
The Actual LOR1 condition is forecast to exist until 2000 hrs.
The forecast capacity reserve requirement is 1420 MW.
The minimum capacity reserve available is 996 MW.
Manager NEM Real Time Operations
Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024
Update - Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024
The actual LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 118471 has been updated at 1815 hrs to the following:
The Actual LOR1 condition is forecast to exist until 2000 hrs.
The forecast capacity reserve requirement is 1420 MW.
The minimum capacity reserve available is 726 MW.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 26/09/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1630 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs
The capacity reserve requirement is 1440 MW
The minimum capacity reserve available is 1027 MW
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the SA region - 24/09/2024
Cancellation of Actual (LOR1) condition in the SA region - 24/09/2024
The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No.118433 is cancelled at 0120 hrs 25/09/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 24/09/2024
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 24/09/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2300 hrs.
The Actual LOR1 condition is forecast to exist until 0200 hrs
The capacity reserve requirement is 600 MW
The minimum capacity reserve available is 520 MW
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 19/09/2024
Update - Non-credible contingency event - TAS region - 19/09/2024
Refer AEMO Electricity Market Notice 118321
At 1446 hrs the Gordon - Chapel St No 1 and No 2 220 kV lines were returned to service.
This non-credible contingency event was caused by lightning. 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.
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 19/09/2024
Update - Non-credible contingency event - TAS region - 19/09/2024
At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has advised of approximately 112 MW disconnection of bulk electrical load,
disconnection of generation at Studland Bay Wind generator (71 MW) and 23 MW generation reduction at Gordon Power station.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations