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126911MARKET SYSTEMS06/05/2025 05:55:38 PM
CHG0103124:EMS NEM - Network Outage Scheduler (NOS)
Change Number: CHG0103124
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.
Change Start Date & Time: 07/05/2025 12:00:00
Change End Date & Time: 07/05/2025 13:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after this change.
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.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.
Change Start Date & Time: 07/05/2025 12:00:00
Change End Date & Time: 07/05/2025 13:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after this change.
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.
126910MARKET SYSTEMS06/05/2025 05:50:55 PM
CHG0102490:Production MSATS and eMDM Availability Zone Maintenance Release
Change Number: CHG0102490
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management
Change Title: Production MSATS and eMDM Availability Zone Maintenance Release
Change Start Date & Time: 11/05/2025 10:00:00
Change End Date & Time: 11/05/2025 14:00:00
Outage Start Date & Time: 11/05/2025 10:00:00
Outage End Date & Time: 11/05/2025 14:00:00
Environment: Production
Participant Impact and Requirements: MSATS will be unavailable during this outage.
Meter data processing and RM reports will be unavailable during this outage.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage.
NMI Discovery will be unavailable during this outage.
CDR and CDP will be unavailable during this outage.
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.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management
Change Title: Production MSATS and eMDM Availability Zone Maintenance Release
Change Start Date & Time: 11/05/2025 10:00:00
Change End Date & Time: 11/05/2025 14:00:00
Outage Start Date & Time: 11/05/2025 10:00:00
Outage End Date & Time: 11/05/2025 14:00:00
Environment: Production
Participant Impact and Requirements: MSATS will be unavailable during this outage.
Meter data processing and RM reports will be unavailable during this outage.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and B2B MSATS Screens will be unavailable during this outage.
NMI Discovery will be unavailable during this outage.
CDR and CDP will be unavailable during this outage.
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.
126907MARKET INTERVENTION06/05/2025 04:07:57 PM
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 126848
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN at 1600 hrs 06/05/2025
Type of resource: generating unit
Required actions: To synchronise and follow dispatch targets at 1200 hrs 07/05/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 08/05/2025.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 126848
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN at 1600 hrs 06/05/2025
Type of resource: generating unit
Required actions: To synchronise and follow dispatch targets at 1200 hrs 07/05/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 08/05/2025.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
126906MARKET INTERVENTION06/05/2025 04:07:07 PM
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 126905
TORRB2 TORRENS ISLAN at 2300 hrs 02/05/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1200 hrs 07/05/2025.
The direction update is issued at 1600 hrs 06/05/2025.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 126905
TORRB2 TORRENS ISLAN at 2300 hrs 02/05/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1200 hrs 07/05/2025.
The direction update is issued at 1600 hrs 06/05/2025.
Manager NEM Real Time Operations
126905MARKET INTERVENTION06/05/2025 03:33:02 PM
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 126873
TORRB2 TORRENS ISLAN at 2300 hrs 02/05/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/05/2025.
The direction update is issued at 1530 hrs 06/05/2025.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 126873
TORRB2 TORRENS ISLAN at 2300 hrs 02/05/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/05/2025.
The direction update is issued at 1530 hrs 06/05/2025.
Manager NEM Real Time Operations
126904MARKET INTERVENTION06/05/2025 03:34:04 PM
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 126872
PPCCGT PELICAN POINT at 0001 hrs 03/05/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is expected to stay in place until 0400 hrs 08/05/2025.
The direction update is issued at 1530 hrs 06/05/2025.
Manager NEM Real Time Operations
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 126872
PPCCGT PELICAN POINT at 0001 hrs 03/05/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is expected to stay in place until 0400 hrs 08/05/2025.
The direction update is issued at 1530 hrs 06/05/2025.
Manager NEM Real Time Operations
126902RECLASSIFY CONTINGENCY06/05/2025 03:07:46 AM
Cancellation of a Non-Credible Contingency Event: Sheffield - George Town 1 & 2 220kV lines 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 - George Town 1 & 2 220kV lines
Cancellation time: 06/05/2025 03:00 hrs
Constraint set(s) revoked:
T-GTSH_N-2
Refer AEMO Electricity Market Notice 126882
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 - George Town 1 & 2 220kV lines
Cancellation time: 06/05/2025 03:00 hrs
Constraint set(s) revoked:
T-GTSH_N-2
Refer AEMO Electricity Market Notice 126882
Manager NEM Real Time Operations
126901RECLASSIFY CONTINGENCY06/05/2025 01:29:03 AM
Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and 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: Palmerston - Hadspen 3 & 4 110kV and
Cancellation time: 06/05/2025 01:28
Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 126883
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: Palmerston - Hadspen 3 & 4 110kV and
Cancellation time: 06/05/2025 01:28
Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 126883
Auto-generated on behalf of Manager NEM Real Time Operations
126900RECLASSIFY CONTINGENCY06/05/2025 01:14:04 AM
Cancellation of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 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: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Cancellation time: 06/05/2025 01:13
Constraint set(s) revoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 126891
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: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV
Cancellation time: 06/05/2025 01:13
Constraint set(s) revoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 126891
Auto-generated on behalf of Manager NEM Real Time Operations