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Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)
AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.
The Constraint Set I-CTRL_ISSUE_TE was invoked from 1320 hrs
This Constraint Set contains equations with the following interconnector on the LHS.
N-Q-MNSP1
Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Wednesday, 6 December 2017
NON-CONFORMANCE VIC1 Region Wednesday, 6 December 2017
AEMO declared a schedule generating unit non-conforming
Unit: YWPS1
Duration: 06/12/2017 10:40 to 06/12/2017 11:05
Amount: -78 MW
Constraint: NC-V_YWPS1
Auto-generated on behalf of Manager NEM Real Time Operations
CHG0046302:Planned System Outage on Gas Short Term Trading Market (STTM) : Site Transfer (NSW to QLD)
Change Number: CHG0046302
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Short Term Trading Market
Change Title: Planned System Outage on Gas Short Term Trading Market (STTM) : Site Transfer (NSW to QLD)
Change Start Date & Time: 14/12/2017 18:00:00 AEST
Change End Date & Time: 14/12/2017 21:30:00 AEST
Outage Start Date & Time: 14/12/2017 18:30:00 AEST
Outage End Date & Time: 14/12/2017 21:00:00 AEST
Change Description:
The Short Term Trading Market Production System is to be transferred to the alternate site to support STTM maintenance activities.
Environment: Production
Participant Impact and Requirements:
The following impacts are expected during this maintenance:
- The Gas Short Term Trading System will be unavailable for the duration of the outage.
Support Information:
Report any impacts to th
CHG0046161:Planned System Maintenance - Electricity Market Management System (EMMS) - Pre-Production environment
Change Number: CHG0046161
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Data Interchange
Change Title: Planned System Maintenance - Electricity Market Management System (EMMS) - Pre-Production environment
Change Start Date & Time: 07/12/2017 11:00:00 AEST
Change End Date & Time: 13/12/2017 17:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Change Description:
The Wholesale Electricity Market Management System (EMMS) Pre-Production environment will undergo maintenance activities starting Thursday December 7th, 2017 and will finish Wednesday December 13th, 2017.
Environment: Pre-Production
Participant Impact and Requirements:
This activity will affect EMMS Pre-Production Participant FTP Services and Data Interchange, however periods of downtime will be minimal and we expect that participants will be able to use Pre-Production as per normal throughout.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Cancellation of a Non-Credible Contingency Event: Dederang - Glenrowan No. 1 and No. 3 220kV lines in VIC 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: VIC
Lines: Dederang - Glenrowan No. 1 and No. 3 220kV lines
Cancellation time: 2100hrs 5/12/2017
Constraint set(s) revoked: V-DDGN_N-2
Refer AEMO Electricity Market Notice 60240
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Coffs Harbour - Raleigh (9W3) line and Coffs Harbour - Boambee South (9W8) 132 kV in NSW 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: NSW
Lines: Coffs Harbour - Raleigh No.9W3 and Coffs Harbour - Boambee South No.9W8 132kV lines
Cancellation time: 05/12/17 17:15
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 60242
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Coffs Harbour - Raleigh (9W3) and Boambee South - Nambucca (9W7) 132 kV Lines in NSW 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: NSW
Lines: Coffs Harbour - Raleigh No.9W3 and Boambee South - Nambucca No.9W7 132kV lines
Cancellation time: 05/12/17 17:15
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 60241
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Coffs Harbour - Raleigh (9W3) and Coffs Harbour - Boambee South (9W8) 132 kV Lines in NSW 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: NSW
Lines: Coffs Harbour - Raleigh (9W3) and Coffs Harbour - Boambee South (9W8) 132 kV Lines
Duration: 05/12/17 16:26 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: - Coffs Harbour - Raleigh (9W3) and Boambee South - Nambucca (9W7) 132 kV Lines 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: NSW
Lines: Coffs Harbour - Raleigh (9W3) and Boambee South - Nambucca (9W7) 132 kV Lines
Duration: 05/12/17 16:26 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations