Market Notices

Change Number: CHG0091339

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: 31/08/2024 14:00:31 AEST

Change End Date & Time: 31/08/2024 18:00:31 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 31st Aug 2024:

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?d=pp_services_status for any planned/unplanned maintenance activities .

Change Number: CHG0091340

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: 14/09/2024 14:00:01 AEST

Change End Date & Time: 14/09/2024 18:00:01 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 14th September 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.

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?d=pp_services_status for any planned/unplanned maintenance activities .

Change Number: CHG0091298

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: 19/08/2024 18:00:43 AEST

Change End Date & Time: 19/08/2024 22:00:43 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 19th August 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?d=pp_services_status for any planned/unplanned maintenance activities .

Change Number: CHG0091533

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Short Term Trading Market

Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0091507

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Business to Business data exchange

Change Title: As part of the Platform Services Patching Program, webMethods Inactive Production Application Servers in Brisbane will have critical security patches applied.

Change Start Date & Time: 26/08/2024 08:00:00 AEST
Change End Date & Time: 28/08/2024 18:00:00 AEST

Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: This is the Inactive Production environment, there is no impact for external participants.

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?d=pp_services_status for any planned/unplanned maintenance activities .

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 30/07/2024

Refer AEMO Electricity Market Notice 117503

The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: QLD

Elements: Darling Downs Power Station
Duration: 0720 hrs until further notice
Constraint set(s) invoked: Q-DARLING_DOWNS_N-2

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Heywood - South East No 2 275 kV Line SA region - 26/07/2024

A planned outage of Heywood - South East No 2 275 kV Line in the SA region was scheduled from 0830 hrs 26/07/2024 to 1730 hrs 28/07/2024.

The outage has been extended until 1200 hrs 29/07/2024

Constraint set(s) invoked:
I-HYSE
I-VS_050
I-VS+LKB_050

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 27/07/2024 19:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117494

Auto-generated on behalf of Manager NEM Real Time Operations

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: 27/07/2024 16:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations