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92041RECLASSIFY CONTINGENCY29/10/2021 09:09:45 AM
Cancellation of a Non-Credible Contingency Event: Sheffield - Wesley Vale 110kV line and Sheffield - Devonport 110kV line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: TAS1
Lines: Sheffield - Wesley Vale 110kV and Sheffield - Devonport 110kV
Cancellation time: 29/10/2021 09:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92038
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: TAS1
Lines: Sheffield - Wesley Vale 110kV and Sheffield - Devonport 110kV
Cancellation time: 29/10/2021 09:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92038
Auto-generated on behalf of Manager NEM Real Time Operations
92040RECLASSIFY CONTINGENCY29/10/2021 08:30:27 AM
Cancellation of the reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220kV lines in TAS due to lightning.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220 kV lines
Cancellation time: 29/10/2021 0830 hrs
Constraint set(s) revoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Refer AEMO Electricity Market Notice 92036
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220 kV lines
Cancellation time: 29/10/2021 0830 hrs
Constraint set(s) revoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Refer AEMO Electricity Market Notice 92036
Manager NEM Real Time Operations
92039INTER-REGIONAL TRANSFER29/10/2021 07:58:40 AM
Inter-regional transfer limit variation - Hazelwood-Cranbourne No.4 500kV line - Vic region - 29/10/2021
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Hazelwood-Cranbourne No.4 500kV line - Vic region - 29/10/2021
At 0742 hrs there was an short notice outage of the Hazelwood-Cranbourne No.4 500kV line
The following constraint set(s) was invoked at 0750 hrs 29/10/2021
V-HWCB4
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hazelwood-Cranbourne No.4 500kV line - Vic region - 29/10/2021
At 0742 hrs there was an short notice outage of the Hazelwood-Cranbourne No.4 500kV line
The following constraint set(s) was invoked at 0750 hrs 29/10/2021
V-HWCB4
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
92038RECLASSIFY CONTINGENCY29/10/2021 07:06:15 AM
Reclassification of a Non-Credible Contingency Event: Sheffield - Wesley Vale 110kV line and Sheffield - Devonport 110kV line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Sheffield - Wesley Vale 110kV and Sheffield - Devonport 110kV
Duration: 29/10/2021 07:06 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Sheffield - Wesley Vale 110kV and Sheffield - Devonport 110kV
Duration: 29/10/2021 07:06 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
92037RECLASSIFY CONTINGENCY29/10/2021 06:24:48 AM
Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: QLD1
Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Cancellation time: 29/10/2021 06:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92025
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: QLD1
Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Cancellation time: 29/10/2021 06:24
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92025
Auto-generated on behalf of Manager NEM Real Time Operations
92036RECLASSIFY CONTINGENCY29/10/2021 05:58:34 AM
Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220kV lines in TAS due to lightning.
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220kV lines
Duration: 29/10/2021 0555 hrs until further notice
Constraint set(s) invoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Manager NEM Real Time Operations
Reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220kV lines
Duration: 29/10/2021 0555 hrs until further notice
Constraint set(s) invoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Manager NEM Real Time Operations
92035RECLASSIFY CONTINGENCY29/10/2021 05:48:08 AM
Cancellation of the reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220kV lines in TAS due to lightning.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220kV lines
Cancellation time: 29/10/2021 0545 hrs
Constraint set(s) revoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Refer AEMO Electricity Market Notice 92034
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220kV lines
Cancellation time: 29/10/2021 0545 hrs
Constraint set(s) revoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Refer AEMO Electricity Market Notice 92034
Manager NEM Real Time Operations
92034RECLASSIFY CONTINGENCY29/10/2021 04:41:23 AM
Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220kV lines in TAS due to lightning.
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220kV lines
Duration: 29/10/2021 0440 hrs until further notice
Constraint set(s) invoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Manager NEM Real Time Operations
Reclassification of a non-credible contingency event as a credible contingency event due to lightning.
AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS
Lines: Farrell - Sheffield No. 1 and No. 2 220kV lines
Duration: 29/10/2021 0440 hrs until further notice
Constraint set(s) invoked:
F-T-FASH_N-2
T-FASH_N-2_CP4_S1
Manager NEM Real Time Operations
92033INTER-REGIONAL TRANSFER29/10/2021 01:50:10 AM
Inter-regional transfer limit variation - SA region - 29/10/2021
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - SA region - 29/10/2021
At 0150 hrs 29/10/2021 a limit was place on Murrylink to manage an overload on the Robertstown - North West Bend no.1 132 kV line.
Constraint set invoked: I-SVML_080
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - SA region - 29/10/2021
At 0150 hrs 29/10/2021 a limit was place on Murrylink to manage an overload on the Robertstown - North West Bend no.1 132 kV line.
Constraint set invoked: I-SVML_080
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations