Market Notices

67006RECLASSIFY CONTINGENCY31/01/2019 12:49:15 AM

Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby line and Norwood - Scottsdale 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: 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
67005RECLASSIFY CONTINGENCY30/01/2019 11:19:10 PM

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.

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: 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
67004RECLASSIFY CONTINGENCY30/01/2019 10:59:50 PM

Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby line and Norwood - Scottsdale 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: 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
67003RECLASSIFY CONTINGENCY30/01/2019 09:14:53 PM

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.

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: 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
67002RECLASSIFY CONTINGENCY30/01/2019 08:57:20 PM

Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby line and Norwood - Scottsdale 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: 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
67001MARKET SYSTEMS30/01/2019 08:45:39 PM

CHG0052719: MSATS (46.91) Planned Software Release (Life Support) - Completed

Change Number: CHG0052719

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.
67000RECLASSIFY CONTINGENCY30/01/2019 08:27:05 PM

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.

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: 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
66999RECLASSIFY CONTINGENCY30/01/2019 07:49:53 PM

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.

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: 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
66998INTER-REGIONAL TRANSFER30/01/2019 08:00:43 PM

Cancellation - Inter-regional transfer limit reduction Tasmania region - Basslink - 25/01/2019

AEMO ELECTRICITY MARKET NOTICE

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
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