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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
118646MINIMUM SYSTEM LOAD07/10/2024 02:48:08 PM
STPASA - Forecast Minimum System Load 1 (MSL1) in the VIC Region on 12/10/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1200 hrs 12/10/2024 to 1400 hrs 12/10/2024.
Minimum regional demand is forecast to be 1646 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1815 MW
o MSL2 - 1315 MW
o MSL3 - 815 MW
MSL events are forecast when forecast regional demand is less than the relevant MSL threshold. The forecast regional demand is below the MSL1 threshold.
AEMO Operations
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1200 hrs 12/10/2024 to 1400 hrs 12/10/2024.
Minimum regional demand is forecast to be 1646 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1815 MW
o MSL2 - 1315 MW
o MSL3 - 815 MW
MSL events are forecast when forecast regional demand is less than the relevant MSL threshold. The forecast regional demand is below the MSL1 threshold.
AEMO Operations
118645MINIMUM SYSTEM LOAD07/10/2024 02:49:02 PM
STPASA - Forecast Minimum System Load 1 (MSL1) in the VIC Region on 13/10/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1100 hrs 13/10/2024 to 1400 hrs 13/10/2024.
Minimum regional demand is forecast to be 1623 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1865 MW
o MSL2 - 1365 MW
o MSL3 - 865 MW
MSL events are forecast when forecast regional demand is less than the relevant MSL threshold. The forecast regional demand is below the MSL1 threshold.
AEMO Operations
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1100 hrs 13/10/2024 to 1400 hrs 13/10/2024.
Minimum regional demand is forecast to be 1623 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1865 MW
o MSL2 - 1365 MW
o MSL3 - 865 MW
MSL events are forecast when forecast regional demand is less than the relevant MSL threshold. The forecast regional demand is below the MSL1 threshold.
AEMO 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 .
118539MARKET SYSTEMS30/09/2024 05:41:19 PM
CHG0098133:NEM Reform - RMI (Retail Market Improvements) MSATS 54.0 - Completed
Change Number: CHG0098133
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Market Settlement & Transfer System
Change Title: NEM Reform - RMI (Retail Market Improvements) MSATS 54.0
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Market Settlement & Transfer System
Change Title: NEM Reform - RMI (Retail Market Improvements) MSATS 54.0
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
118528GENERAL NOTICE30/09/2024 09:20:28 AM
Heywood testing (SA to Vic) 30th September 2024
AEMO ELECTRICITY MARKET NOTICE
There is an opportunity for testing Heywood Interconnector (HIC) flow from South Australia to Victoria above 450MW and Victoria to South Australia above 450MW on 30th September from 9:00hrs to 17:00hrs
This test includes a trip and reclose of a line in South Australia.
Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
There is an opportunity for testing Heywood Interconnector (HIC) flow from South Australia to Victoria above 450MW and Victoria to South Australia above 450MW on 30th September from 9:00hrs to 17:00hrs
This test includes a trip and reclose of a line in South Australia.
Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
118493MINIMUM SYSTEM LOAD28/09/2024 02:30:26 PM
Cancellation - MSL1- VIC Region at 1430 hrs 28/09/2024.
AEMO ELECTRICITY MARKET NOTICE
Cancellation - MSL1- VIC Region at 1430 hrs 28/09/2024.
Refer to Market Notice 118475.
Manager NEM Real Time Operations
Cancellation - MSL1- VIC Region at 1430 hrs 28/09/2024.
Refer to Market Notice 118475.
Manager NEM Real Time Operations
118489GENERAL NOTICE27/09/2024 09:51:41 PM
Network Augmentation Commissioned - NSW Region - 27/09/2024
AEMO ELECTRICITY MARKET NOTICE
A network augmentation has been commissioned in the NSW region at 2150 hrs 27/09/2024 as follows:
Walla Walla substation has been cut into the existing Wagga - Jinderra (62) 330 kV line to form the following circuits:
Jinderra - Walla Walla 62 330 kV Transmission Line
Walla Walla - Wagga 6Y 330 kV Transmission Line
Manager NEM Real Time Operations
A network augmentation has been commissioned in the NSW region at 2150 hrs 27/09/2024 as follows:
Walla Walla substation has been cut into the existing Wagga - Jinderra (62) 330 kV line to form the following circuits:
Jinderra - Walla Walla 62 330 kV Transmission Line
Walla Walla - Wagga 6Y 330 kV Transmission Line
Manager NEM Real Time Operations