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Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby line and Norwood - Scottsdale line in TAS1 due to Lightning.
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: Norwood - Scottsdale - Derby and Norwood - Scottsdale
Duration: 31/01/2019 00:49 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: Dederang - Glenrowan No.1 220 kV line and Dederang - Glenrowan No.3 220 kV line in VIC1 due to Lightning.
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: VIC1
Lines: Dederang - Glenrowan No.1 220 kV and Dederang - Glenrowan No.3 220 kV
Duration: 30/01/2019 23:19 until further notice
Constraint set(s) invoked:
V-DDGN_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
V-SA
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby line and Norwood - Scottsdale line in TAS1 due to Lightning.
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: Norwood - Scottsdale - Derby and Norwood - Scottsdale
Cancellation time: 30/01/2019 22:59
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 67002
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 220 kV line and Dederang - Glenrowan No.3 220 kV line in VIC1 due to Lightning.
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: VIC1
Lines: Dederang - Glenrowan No.1 220 kV and Dederang - Glenrowan No.3 220 kV
Cancellation time: 30/01/2019 21:14
Constraint set(s) revoked:
V-DDGN_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
V-SA
VIC1-NSW1
Refer AEMO Electricity Market Notice 66995
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby line and Norwood - Scottsdale line in TAS1 due to Lightning.
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: Norwood - Scottsdale - Derby and Norwood - Scottsdale
Duration: 30/01/2019 20:57 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
CHG0052719: MSATS (46.91) Planned Software Release (Life Support) - Completed
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/ Component: MSATS - Business to Business data exchange
Change Title: MSATS (46.91) Planned Software Release (Life Support)
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Reclassification of a Non-Credible Contingency Event: Hazelwood - Rowville No.1 220kV line and Hazelwood - Rowville No.2 220kV line in VIC1 due to Lightning.
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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Duration: 30/01/2019 20:27 until further notice
Constraint set(s) invoked:
V-HWRO_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Hazelwood - Rowville No.1 220kV line and Hazelwood - Rowville No.2 220kV line in VIC1 due to Lightning.
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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Cancellation time: 30/01/2019 19:49
Constraint set(s) revoked:
V-HWRO_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 66985
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit reduction Tasmania region - Basslink - 25/01/2019
Cancellation - Inter-regional transfer limit reduction Tasmania region - Basslink - 25/01/2019
Refer AEMO Electricity Market Notice 66833, 66837 and 66997
Due to Bushfires in the Tasmania region the FCSPs and NCSPS control schemes have been made non-auto. The Tasmania TNSP has advised an updated limit on the power transfers for Basslink.
Basslink MW transfer TAS to VIC limit 150 MW
Basslink MW transfer VIC to TAS limit 0 MW
The following Constraint sets have been invoked from 2000 hrs 25/01/2019 to 1935 hrs 30/01/2019
I-TV_150
I-VT_000
The constraints have the following interconnectors on the LHS
T-V_MNSP1
Manager NEM Real Time Operations