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[EventId:202401281810_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 28 January 2024 18:10
Issued by Australian Energy Market Operator Ltd at 1810 hrs on 28 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 January 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 1810 hrs on 28 January 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.
Direction - SA region 28/01/2024
Direction - SA region 28/01/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1705 hrs on 28/01/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 24/01/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 24/01/2024
Refer Market Notice 113710
The AEMO Intervention Event and all associated directions are cancelled from 1800 hrs 28/01/2024
Manager NEM Real Time Operations
Possible intervention to manage power system security in SA Region
Possible intervention to manage power system security in SA Region
The synchronous generating units currently expected to be synchronised in SA from 0800 hrs 29/01/2024 will be inadequate to maintain a secure operating state in SA.
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 28/01/2024, 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:202401271920_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 January 2024 19:20
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 27 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 January 2024.
Refer to market notice: 113879
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 1920 hrs on 27 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401271805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 27 January 2024 18:05
Issued by Australian Energy Market Operator Ltd at 1805 hrs on 27 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 January 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 1805 hrs on 27 January 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 - AEMO Intervention Event - Intervention trading intervals - Direction QLD region 27/01/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction QLD region 27/01/2024
Refer Market Notice 113839
The AEMO Intervention Event and all associated directions are cancelled from 2100 hrs 27/01/2024
Manager NEM Real Time Operations
Update - Direction - SA Region - 24/01/2024
Update - Direction - SA Region - 24/01/2024
Refer Market Notice 113710
The AEMO intervention event that commenced from interval ending 1635 hrs on 24/01/2024 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Refer AEMO Electricity Market Notice 113825
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar tripped.
AEMO has received further information and now determines this was not a non-credible contingency event.
Manager NEM Real Time Operations