Market Notices

Change Number: CHG0088138
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Change Start Date & Time: 20/04/2024 09:00:00 AEST
Change End Date & Time: 20/04/2024 15:00:00 AEST
Outage Start Date & Time: 20/04/2024 13:30:00 AEST
Outage End Date & Time: 20/04/2024 13:40:00 AEST

Environment: Production
Participant Impact and Requirements:
The following impacts are expected to participant connectivity during this planned outage:

IPWAN Participants - Nil

Lan-2-Lan VPN Participants (IPSEC) - Up to 6 hours 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 - Up to 30 minutes outage to TNSPs with B2B VPN to AEMO QLD Datacentre if VPN connection is only terminating in QLD only

SSL VPN Participants: Up to 30 minutes outage to TNSPs with B2B VPN to AEMO QLD Datacentre if VPN connection is only terminating in QLD only

Expecting an impact to the below services for approximately 10 minutes from 13:30 AEST:
RTMS UI
WEMDE UI - General Instance
WASM MPI

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 .

Change Number: CHG0087945
Notification issued to: Market Notice

Notification Type: Completed
Change Type: Normal

Service/Component: EMS NEM - Network Outage Scheduler (NOS)

Change Title: Planned System Maintenance activity.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0087908
Notification issued to: Market Notice

Notification Type: Completed
Change Type: Normal

Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)_PreProd

Change Title: Pre-Prod MSATS Lifecycle Maintenance
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0085919
Notification issued to: Market Notice

Notification Type: Initial
Change Type: Normal

Service/ Component: MSATS - Business to Business data exchange
Change Title: Removal of support of TLS Version 1.1 and lower

Change Start Date & Time: 14/04/2024 09:00:00 AEST
Change End Date & Time: 14/04/2024 13:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Environment: Production

Participant Impact and Requirements: Participants using TLS version 1.1 and lower, need to update their servers to use TLSv1.2 as a minimum. Failing to do so would impact the connectivity with AEMO. An outage is not expected but, there may be some minor interruptions during the change period.

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 .

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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 10/04/2024 01:34

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 116068

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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 10/04/2024 00:29 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of 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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 09/04/2024 22:54

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 116066

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: NSW1

Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 09/04/2024 21:49 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of 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: NSW1

Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 09/04/2024 19:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 116061

Auto-generated on behalf of Manager NEM Real Time Operations