Market Notices

117246MARKET SYSTEMS28/06/2024 05:56:36 PM

CHG0090718 | Production | QLD Marketnet Router Replacement

Change Number: CHG0090718

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: 10/08/2024 13:00:24 AEST

Change End Date & Time: 10/08/2024 17:00:24 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:

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.
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 .
117245MARKET SYSTEMS28/06/2024 05:28:26 PM

CHG0090717 | Production | NSW Marketnet Router Replacement

Change Number: CHG0090717

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Market Network

Change Title: NSW Marketnet Router Replacement

Change Start Date & Time: 27/07/2024 13:00:06 AEST

Change End Date & Time: 27/07/2024 17:00:06 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:

IPWAN Participants - A brief interuption of up to 60 seconds while services are failover from NSW to QLD Datacenter.

Lan-2-Lan VPN Participants (IPSEC) - Up to 2 hour outage for participants who have established their VPN connection/s via the AEMO NSW datacenter termination point (202.44.78.10) 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 QLD datacenter termination point (202.44.76.10) 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 is currently operating out of BNE Datacenter.

Other Impacts will have been communicated in advance.
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 .

117244MARKET SYSTEMS28/06/2024 05:25:33 PM

CHG0090719 | Production | Change to MarketNet SSL VPN

Change Number: CHG0090719
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Market Network
Change Title: Change to MarketNet SSL VPN

Change Start Date & Time: 10/07/2024 18:00:21 AEST
Change End Date & Time: 10/07/2024 22:00:21 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: A change to the MarketNet SSL VPN connection will take place on the 10th July 2024 between 6pm and 10PM AEST. There will be a 30 minute period during this change where no new VPN Connections will be able to be established.

Post the change window, participants running on an older version of the software may receive a message that the Anyconnect VPN client needs to be updated. This process should be automatic and once done VPN connectivity should be as normal.

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.
117243INTER-REGIONAL TRANSFER28/06/2024 04:54:33 PM

Inter-regional transfer limit variation - Dumaresq No. 1 330kV SVC - NSW region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Dumaresq No. 1 330kV SVC- NSW region - 28/06/2024

At 1649 hrs 28/06/2024 there was a short notice outage of the Dumaresq No. 1 330kV SVC.

The following constraint set invoked at 1650 hrs 28/06/2024
N-DM_SVC

This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
117242MARKET INTERVENTION28/06/2024 04:25:03 PM

Update - Direction - SA Region - 27/06/2024

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 27/06/2024

Refer Market Notice 117221

The AEMO intervention event that commenced from interval ending 1605 hrs on 27/06/2024 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
117241INTER-REGIONAL TRANSFER28/06/2024 04:12:58 PM

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024

Refer AEMO Electricity Market Notice 117239.

Constraint set CA_SYDS_5590C0E2 revoked 1530 hrs.

Manager NEM Real Time Operations
117240INTER-REGIONAL TRANSFER28/06/2024 02:20:05 PM

Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024

At 1407 hrs 28/06/2024 there was an unplanned outage of Liddell to Tomago 82 330kV Line.

The following constraint set invoked at 1415 hrs 28/06/2024
N-LDTM_82_OPEN

This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
117239INTER-REGIONAL TRANSFER28/06/2024 02:07:43 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_5590C0E2 from 1355hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;

V-S-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further information.

Manager NEM Real Time Operations
117238GENERAL NOTICE28/06/2024 08:43:51 AM

Fast Frequency Response Market - Dispatch of R1 and L1 FCAS in the SA region during island conditions from 1 July 2024

AEMO ELECTRICITY MARKET NOTICE

From 1 July 2024 AEMO will dispatch R1 and L1 FCAS locally in the SA region during conditions of actual islanding of the SA region.

This follows the end of contracts for Fast Frequency Response (FFR) in the SA region.

The dispatch of R1 and L1 FCAS under these island conditions will not be capped.

These changes are only applicable for conditions of actual SA islanding from the rest of the NEM.

No other changes to the dispatch of R1 and L1 FCAS will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations
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