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93003RECLASSIFY CONTINGENCY07/12/2021 05:22:02 PM
Cancellation of the Reclassification of a Non-Credible Contingency Event: Loss of any one 220 kV bus at Gordon Substation in TAS1 .
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event .
Based on TNSP advice received, AEMO no longer considers the trip of any one 220 kV bus at Gordon Substation as a credible contingency when there is lightning activity in the vicinity.
Accordingly the reclassification as a credible contingency is cancelled .
Region: TAS1
Element: Gordon Substation A or B or C 220 kV bus
Cancellation time: 07/12/2021 1530 hrs
Constraint set(s) revoked: NONE
Refer AEMO Electricity Market Notices 90307 and 90345
Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event .
Based on TNSP advice received, AEMO no longer considers the trip of any one 220 kV bus at Gordon Substation as a credible contingency when there is lightning activity in the vicinity.
Accordingly the reclassification as a credible contingency is cancelled .
Region: TAS1
Element: Gordon Substation A or B or C 220 kV bus
Cancellation time: 07/12/2021 1530 hrs
Constraint set(s) revoked: NONE
Refer AEMO Electricity Market Notices 90307 and 90345
Manager NEM Real Time Operations
93002MARKET INTERVENTION07/12/2021 04:47:28 PM
Update - Direction - SA Region - 01/12/2021
AEMO ELECTRICITY MARKET NOTICE
Update - Direction - SA Region - 01/12/2021
Refer Market Notice 92850
The AEMO intervention event that commenced from interval ending 1605 hrs on 01/12/2021 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Update - Direction - SA Region - 01/12/2021
Refer Market Notice 92850
The AEMO intervention event that commenced from interval ending 1605 hrs on 01/12/2021 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
93001RESERVE NOTICE08/12/2021 07:22:04 AM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 09/12/2021
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 92977 is cancelled at 1400 hrs 07/12/2021.
No LOR1 condition is currently forecast in the STPASA period.
AEMO Operations
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 92977 is cancelled at 1400 hrs 07/12/2021.
No LOR1 condition is currently forecast in the STPASA period.
AEMO Operations
92999RESERVE NOTICE07/12/2021 01:50:44 PM
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following period:
[1.] From 0700 hrs 08/12/2021 to 0730 hrs 08/12/2021.
The forecast capacity reserve requirement is 922 MW.
The minimum capacity reserve available is 909 MW.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 08/12/2021
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following period:
[1.] From 0700 hrs 08/12/2021 to 0730 hrs 08/12/2021.
The forecast capacity reserve requirement is 922 MW.
The minimum capacity reserve available is 909 MW.
Manager NEM Real Time Operations
92996RECLASSIFY CONTINGENCY07/12/2021 12:44:33 PM
Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 & No.3 220 kV Lines line and Numurkah Solar Farm 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 & No.3 220 kV Lines and Numurkah Solar Farm
Duration: 07/12/2021 12:44 until further notice
Constraint set(s) invoked:
V-NIL_DDGN_NSF_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1
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: VIC1
Lines: Dederang - Glenrowan No.1 & No.3 220 kV Lines and Numurkah Solar Farm
Duration: 07/12/2021 12:44 until further notice
Constraint set(s) invoked:
V-NIL_DDGN_NSF_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
92995MARKET SYSTEMS07/12/2021 11:16:38 AM
RESCHEDULED - CHG0071540 | Pre-Production | MSATS - User Rights Management
Due to operational reasons CHG0071540 will be rescheduled to a later date.
Change Number: CHG0071540
Notification issued to: Market Notice
Notification Type: RESCHEDULED
Change Type: Normal
Service/ Component: MSATS - User Rights Management
Change Title: MSATS - User Rights Management
Change Start Date & Time: 08/12/2021 15:00:00 AEST
Change End Date & Time: 08/12/2021 17:00:00 AEST
Outage Start Date & Time: 08/12/2021 15:00:00 AEST
Outage End Date & Time: 08/12/2021 17:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: MSATS - User Rights Management - PREPROD not available during change window.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
Change Number: CHG0071540
Notification issued to: Market Notice
Notification Type: RESCHEDULED
Change Type: Normal
Service/ Component: MSATS - User Rights Management
Change Title: MSATS - User Rights Management
Change Start Date & Time: 08/12/2021 15:00:00 AEST
Change End Date & Time: 08/12/2021 17:00:00 AEST
Outage Start Date & Time: 08/12/2021 15:00:00 AEST
Outage End Date & Time: 08/12/2021 17:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: MSATS - User Rights Management - PREPROD not available during change window.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
92994MARKET SYSTEMS07/12/2021 11:13:52 AM
RESCHEDULED - CHG0071541 | Pre-Production | CATS Pre-Production Database
Due to operational reasons CHG0071541 will be rescheduled to a later date.
Change Number: CHG0071541
Notification issued to: Market Notice
Notification Type: RESCHEDULED
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: CATS Pre-Production Database
Change Start Date & Time: 08/12/2021 15:00:00 AEST
Change End Date & Time: 08/12/2021 17:00:00 AEST
Outage Start Date & Time: 08/12/2021 15:00:00 AEST
Outage End Date & Time: 08/12/2021 17:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: All MSATS CATS Preprod services not available during the change period.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
Change Number: CHG0071541
Notification issued to: Market Notice
Notification Type: RESCHEDULED
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: CATS Pre-Production Database
Change Start Date & Time: 08/12/2021 15:00:00 AEST
Change End Date & Time: 08/12/2021 17:00:00 AEST
Outage Start Date & Time: 08/12/2021 15:00:00 AEST
Outage End Date & Time: 08/12/2021 17:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: All MSATS CATS Preprod services not available during the change period.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
92993RECLASSIFY CONTINGENCY07/12/2021 10:51:00 AM
Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 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: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 07/12/2021 10:50 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 07/12/2021 10:50 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
92992GENERAL NOTICE07/12/2021 10:58:14 AM
Victoria - New South Wales Interconnector System Integrity Protection Scheme is In-Service
AEMO ELECTRICITY MARKET NOTICE.
System Integrity Protection Scheme (SIPS) on Vic NSW interconnector (VNI) has been enabled by AusNet Services at 1045 hrs on 07/12/2021. The SIPS is expected to increase the reliability in Victoria by increasing the import limit of VNI from 1 November to 31 March. The following constraint equations have been invoked and will be activated when the SIPS is activated, based on system conditions.
V>>V_NIL_1A_SIPS
V>>V_NIL_1B_SIPS
V>>V_NIL_3_SIPS
V>>V_NIL_4_SIPS
More information about the scheme can be found in https://www.energy.vic.gov.au/renewable-energy/the-victorian-big-battery/the-victorian-big-battery-q-and-a
Manager NEM Real Time Operations
System Integrity Protection Scheme (SIPS) on Vic NSW interconnector (VNI) has been enabled by AusNet Services at 1045 hrs on 07/12/2021. The SIPS is expected to increase the reliability in Victoria by increasing the import limit of VNI from 1 November to 31 March. The following constraint equations have been invoked and will be activated when the SIPS is activated, based on system conditions.
V>>V_NIL_1A_SIPS
V>>V_NIL_1B_SIPS
V>>V_NIL_3_SIPS
V>>V_NIL_4_SIPS
More information about the scheme can be found in https://www.energy.vic.gov.au/renewable-energy/the-victorian-big-battery/the-victorian-big-battery-q-and-a
Manager NEM Real Time Operations