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118672CONSTRAINTS08/10/2024 01:13:36 PM
Managing outages that create a credible risk of SA islanding
AEMO ELECTRICITY MARKET NOTICE
From 9th Oct 2024 AEMO will change constraints used during outages that create a credible risk of SA islanding.
From this date AEMO will:
1) Increase the maximum allowable flow on the V-SA interconnector from 50 MW to 250 MW in the VIC to SA direction, where the transmission outages is a planned outage.
2) Operate the SA region to the default 49-51 Hz target frequency containment band following a contingency event resulting in actual SA islanding. In order to meet this requirement, AEMO may now procure Contingency Raise FCAS locally from the SA region during these outages.
These changes reflect updated advice received by AEMO from the SA Jurisdictional System Security Coordinator.
The first network outage affected by this change is planned for 14th October 2024.
Andrew Groom
AEMO Operations
From 9th Oct 2024 AEMO will change constraints used during outages that create a credible risk of SA islanding.
From this date AEMO will:
1) Increase the maximum allowable flow on the V-SA interconnector from 50 MW to 250 MW in the VIC to SA direction, where the transmission outages is a planned outage.
2) Operate the SA region to the default 49-51 Hz target frequency containment band following a contingency event resulting in actual SA islanding. In order to meet this requirement, AEMO may now procure Contingency Raise FCAS locally from the SA region during these outages.
These changes reflect updated advice received by AEMO from the SA Jurisdictional System Security Coordinator.
The first network outage affected by this change is planned for 14th October 2024.
Andrew Groom
AEMO Operations
118650MARKET INTERVENTION07/10/2024 03:54:45 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118633
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 09/10/2024.
The direction update is issued at 1600 hrs 7/10/2024.
Manager NEM Real Time Operations6
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118633
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 09/10/2024.
The direction update is issued at 1600 hrs 7/10/2024.
Manager NEM Real Time Operations6
118649MARKET INTERVENTION07/10/2024 03:53:39 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 AEMO Electricity Market Notice 118632
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1400 hrs 08/10/2024.
The direction update is issued at 1600 hrs 07/10/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118632
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 1400 hrs 08/10/2024.
The direction update is issued at 1600 hrs 07/10/2024.
Manager NEM Real Time Operations
118633MARKET INTERVENTION06/10/2024 02:29:16 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118611
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/10/2024.
The direction update is issued at 1430 hrs 06/10/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118611
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/10/2024.
The direction update is issued at 1430 hrs 06/10/2024.
Manager NEM Real Time Operations
118632MARKET INTERVENTION06/10/2024 02:28:09 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 AEMO Electricity Market Notice 118610
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/10/2024.
The direction update is issued at 1430 hrs 06/10/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118610
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 08/10/2024.
The direction update is issued at 1430 hrs 06/10/2024.
Manager NEM Real Time Operations
118611MARKET INTERVENTION05/10/2024 03:01:42 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118595
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/10/2024.
The direction update is issued at 1500 hrs 05/10/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118595
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/10/2024.
The direction update is issued at 1500 hrs 05/10/2024.
Manager NEM Real Time Operations
118610MARKET INTERVENTION05/10/2024 03:00:31 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 AEMO Electricity Market Notice 118594
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/10/2024.
The direction update is issued at 1500 hrs 05/10/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118594
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/10/2024.
The direction update is issued at 1500 hrs 05/10/2024.
Manager NEM Real Time Operations
118598MARKET SYSTEMS04/10/2024 04:07:21 PM
CHG0098496 | Production | QLD Marketnet Router Replacement
Change Number: CHG0098496
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Market Network
Change Title: QLD Marketnet Router Replacement
Change Start Date & Time: 19/10/2024 14:00:53 AEST
Change End Date & Time: 19/10/2024 19:00:53 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned outage on the 19th October 2024:
IPWAN Participants - A brief interuption of up to 60 seconds while services are failover from QLD to NSW Datacenter.
Lan-2-Lan VPN Participants (IPSEC) - Up to 2 hour outage for participants who have established their VPN connection/s via the AEMO QLD datacenter termination point (202.44.76.10) only - All L2L connections should be established to both QLD / NSW.
Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO NSW datacenter termination point (202.44.78.10) prior to this scheduled outage.
B2B VPN - No impact is expected.
SSL VPN Participants: None expected as SSL VPN's are hosted on a different device.
GASHUB: No impact is expected as GASHUB will be failed over to the NSW Datacenter.
Other Impacts will have been communicated in advance.
** FAILURE TO ENSURE VPN FAILOVER WILL RESULT IN LOSS OF MARKETNET CONNECTIVITY **
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: Market Network
Change Title: QLD Marketnet Router Replacement
Change Start Date & Time: 19/10/2024 14:00:53 AEST
Change End Date & Time: 19/10/2024 19:00:53 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned outage on the 19th October 2024:
IPWAN Participants - A brief interuption of up to 60 seconds while services are failover from QLD to NSW Datacenter.
Lan-2-Lan VPN Participants (IPSEC) - Up to 2 hour outage for participants who have established their VPN connection/s via the AEMO QLD datacenter termination point (202.44.76.10) only - All L2L connections should be established to both QLD / NSW.
Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO NSW datacenter termination point (202.44.78.10) prior to this scheduled outage.
B2B VPN - No impact is expected.
SSL VPN Participants: None expected as SSL VPN's are hosted on a different device.
GASHUB: No impact is expected as GASHUB will be failed over to the NSW Datacenter.
Other Impacts will have been communicated in advance.
** FAILURE TO ENSURE VPN FAILOVER WILL RESULT IN LOSS OF MARKETNET CONNECTIVITY **
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 .
118595MARKET INTERVENTION04/10/2024 03:54:13 PM
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
AEMO ELECTRICITY MARKET NOTICE.
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118565
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 06/10/2024.
The direction update is issued at 1550 hrs 04/10/2024.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118565
The TORRB4 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 06/10/2024.
The direction update is issued at 1550 hrs 04/10/2024.
Manager NEM Real Time Operations