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Cancellation of the Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 56164
There is no longer any lightning activity in the vicinity of the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line
.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0425 hrs.
Manager NEM Real Time Operations
Update: Simultaneous trip of Basslink and Farrell - Shefield No. 1 220 kV line- Tas region
Update: Simultaneous trip of Basslink and Farrell - Shefield No. 1 220 kV line - Tas region. 05-12-2016
Refer to MN 56165, 56155 and 47855
At 0043 hrs the Basslink and Farrell - Shefield No. 1 220 kV line tripped simultaneously. This simultaneous trip is currently declared a credible contingency event - Refer to MN 47855
Farrell - Sheffield No1 220 kV line returned to service at 0047 hrs
Basslink returned to service at 0245 hrs
Constraint set I-BL_ZERO revoked at 0245 hrs.
The outage constraint set contains the following interconnector onthe left hand side.
T-V_MNSP1
Manager NEM Real Time Operations
Cancellation of the reclassification of a Non Credible Contingency Event: Farrell - Sheffield No.1 and No.2 220 kV lines in Tasmania.
Cancellation of the reclassification of a Non Credible Contingency Event: Farrell - Sheffield No.1 and No.2 220 kV lines in Tasmania.
Refer AEMO Electricity Market Notice 56150
There is no longer any lightning activity in the vicinity of the Farrell - Sheffield No.1 and No.2 220 kV lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0205 hrs.
Constraint Sets
F-T-FASH_N-2
T-FASH_N-2_HM_C
T-NIL_WCP_CLOSE revoked.
T-NIL_WCP_OPEN invoked
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 56149
There is no longer any lightning activity in the vicinity of the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0155 hrs.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 56148
There is no longer any lightning activity in the vicinity of the the Farrell - Reece No. 1 and No. 2 220 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0155 hrs.
Constraint Sets F-T-FARE_N-2 revoked.
Manager NEM Real Time Operations
Update: Simultaneous trip of Basslink and Farrell - Shefield No. 1 220 kV line- Tas region
Update: Simultaneous trip of Basslink and Farrell - Shefield No. 1 220 kV line - Tas region. 05-12-2016
Refer to MN 56155 and 47855
At 0043 hrs the Basslink and Farrell - Shefield No. 1 220 kV line tripped simultaneously. This simultaneous trip is currently declared a credible contingency event - Refer to MN 47855
Simultaneously with this event AEMO has observed a reduction in the electrical demand in the TAS region of approximately 390 MW due to SPS action.
AEMO did not instruct load shedding.
Constraint set invoked:
I-BL_ZERO
The outage constraint set contains the following interconnector onthe left hand side.
T-V_MNSP1
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 0145 hrs 05/12/2016 until further notice.
Manager NEM Real Time Operations
[EventId:201612050115_confirmed] Prices for interval 05-Dec-2016 01:15 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0115 hrs on 5 December 2016
PRICES ARE NOW CONFIRMED for dispatch interval 05-Dec-2016 01:15.
In accordance with Market Notice 56157 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:201612050110_confirmed] Prices for interval 05-Dec-2016 01:10 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0115 hrs on 5 December 2016
PRICES ARE NOW CONFIRMED for dispatch interval 05-Dec-2016 01:10.
In accordance with Market Notice 56156 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.