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54452SETTLEMENTS RESIDUE12/07/2016 04:30:19 PM
[EventId:201607121630_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 12 July 2016 16:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 12 July 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 12 July 2016.
Refer to market notice: 54442
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 1630 hrs on 12 July 2016.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 12 July 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 12 July 2016.
Refer to market notice: 54442
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 1630 hrs on 12 July 2016.
This is an AEMO autogenerated Market Notice.
54442SETTLEMENTS RESIDUE12/07/2016 03:05:23 PM
[EventId:201607121505_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 12 July 2016 15:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1505 hrs on 12 July 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 12 July 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 1505 hrs on 12 July 2016.
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.
Issued by Australian Energy Market Operator Ltd at 1505 hrs on 12 July 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 12 July 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 1505 hrs on 12 July 2016.
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.
54409SETTLEMENTS RESIDUE12/07/2016 01:00:20 AM
[EventId:201607120100_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 12 July 2016 01:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0100 hrs on 12 July 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 12 July 2016.
Refer to market notice: 54404
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 0100 hrs on 12 July 2016.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0100 hrs on 12 July 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 12 July 2016.
Refer to market notice: 54404
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 0100 hrs on 12 July 2016.
This is an AEMO autogenerated Market Notice.
54404SETTLEMENTS RESIDUE11/07/2016 11:40:25 PM
[EventId:201607112340_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 11 July 2016 23:40
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 2340 hrs on 11 July 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 11 July 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 2340 hrs on 11 July 2016.
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.
Issued by Australian Energy Market Operator Ltd at 2340 hrs on 11 July 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 11 July 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 2340 hrs on 11 July 2016.
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.
54262SETTLEMENTS RESIDUE07/07/2016 09:55:24 AM
[EventId:201607070955_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 07 July 2016 09:55
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0955 hrs on 7 July 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 7 July 2016.
Refer to market notice: 54257
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 0955 hrs on 7 July 2016.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0955 hrs on 7 July 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 7 July 2016.
Refer to market notice: 54257
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 0955 hrs on 7 July 2016.
This is an AEMO autogenerated Market Notice.
54257SETTLEMENTS RESIDUE07/07/2016 09:05:16 AM
[EventId:201607070905_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 07 July 2016 09:05
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0905 hrs on 7 July 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 7 July 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 0905 hrs on 7 July 2016.
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.
Issued by Australian Energy Market Operator Ltd at 0905 hrs on 7 July 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 7 July 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 0905 hrs on 7 July 2016.
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.
53981POWER SYSTEM EVENTS16/06/2016 11:31:54 AM
Non-credible contingency event - Vic region - 16/06/16
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Vic region - 16/06/16
At 1106 hrs the following plant tripped.
Loy Yang No. 1 and No. 3 500 kV Bus
Hazelwood - Loy Yang No. 2 500 kV Line
Loy Yang No. 1 500/220 kV Transformer
Loy Yang A1 generating unit
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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - Vic region - 16/06/16
At 1106 hrs the following plant tripped.
Loy Yang No. 1 and No. 3 500 kV Bus
Hazelwood - Loy Yang No. 2 500 kV Line
Loy Yang No. 1 500/220 kV Transformer
Loy Yang A1 generating unit
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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
53874POWER SYSTEM EVENTS11/06/2016 10:32:06 AM
Non-credible contingency event - NSW region - 11 June 2016
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - NSW region - 11 June 2016
At 0950 hrs the Wagga substation 132kV B bus, the No2 and the No3 330/132kV transformers tripped.
AEMO did not observe any reduction in electrical demand
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
Non-credible contingency event - NSW region - 11 June 2016
At 0950 hrs the Wagga substation 132kV B bus, the No2 and the No3 330/132kV transformers tripped.
AEMO did not observe any reduction in electrical demand
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
53705POWER SYSTEM EVENTS08/06/2016 02:45:06 AM
Update - Non-Credible Contingency Event - Vic Region - 8 June 2016
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - Victoria region - 8 June 2016
Update to MN 53704
At 0219 hrs the Yallourn No. 2 220 kV bus was returned to service.
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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - Victoria region - 8 June 2016
Update to MN 53704
At 0219 hrs the Yallourn No. 2 220 kV bus was returned to service.
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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations