Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Keilor to Sth Morang 500kV Line - VIC region - 04/08/2024

A planned outage of Keilor to Sth Morang 500kV Line in the VIC region was scheduled from 1000 hrs 04/08/2024 to 1300 hrs 04/08/2024.

The outage has been completed and Keilor to Sth Morang 500kV Line returned to service at 1050 hrs 04/08/2024

Constraint set(s) revoked: V-KTSM_R

Manager NEM Real Time Operations

Change Number: CHG0091753

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Gas Supply Hub

Change Title: Pre production Gas Supply Hub (GSH) Environment Outage

Change Start Date & Time: 08/08/2024 09:00:00 AEST

Change End Date & Time: 09/08/2024 17:00:00 AEST

Outage Start Date & Time: 08/08/2024 09:00:00 AEST

Outage End Date & Time: 09/08/2024 14:00:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: "The AEMO Pre-production Gas Supply Hub (GSH) environment will be refreshed (GSH databases) and system will be unavailable during the outage window.

Access to Gas Suuply Hub (GSH) Trayport interface, GSH Day Ahead auction (DAA) and Pipeline capacity trading API and GSH web portal interfaces will be unavailable.

Upon completion of the outage users will be required to log in to pre-prod Gas Supply Hub Tray-port application using their production credentials as Trayport passwords in Pre-Production environment will be replaced with their Production passwords."

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: CHG0093394

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: STTM - Market Inputs - Manual

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

Change Start Date & Time: 06/08/2024 18:30:00 AEST

Change End Date & Time: 06/08/2024 19:00:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Environment: Pre-Production

Participant Impact and Requirements: Gas Short Term Trading Market (STTM) SWEXIE services will not be available during the outage window in Pre-Production.

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: 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 .

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0745 hrs on 1 August 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.

Refer to market notice: 117517

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.

The negative residue constraint NRM_VIC1_NSW1 ceased operating at 0745 hrs on 1 August 2024.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0640 hrs on 1 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.

The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 0640 hrs on 1 August 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.

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.