Market Notices

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA region

The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 22/03/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1545 hrs 21/03/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024

At 1830 hrs 20/03/2024 there will be a short notice outage of Palmerston - Hadspen No2 220 kV Line.

The following constraint set invoked at 1830 hrs 20/03/2024
T-HAPM_220

This constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 18/03/2024

Refer Market Notice 115688

The AEMO intervention event that commenced from interval ending 1605 hrs on 18/03/2024 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

Change Number: CHG0085822
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
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.

PLEASE NOTE UPDATED EXPECTED IMPACT TIME

Change Number: CHG0087334

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Firewall

Change Title: Brisbane MarketNet Firewall Refresh

Change Start Date & Time: 27/03/2024 22:00:00 AEST

Change End Date & Time: 28/03/2024 02:00:00 AEST

Outage Start Date & Time: 27/03/2024 23:00:00 AEST

Outage End Date & Time: 27/03/2024 23:10:00 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 23:00 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?d=pp_services_status for any planned/unplanned maintenance activities .

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 18/03/2024

Refer Market Notice 115688

The AEMO intervention event that commenced from interval ending 1605 hrs on 18/03/2024 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

Change Number: CHG0087334
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Change Start Date & Time: 27/03/2024 22:00:00 AEST
Change End Date & Time: 28/03/2024 02:00:00 AEST
Outage Start Date & Time: 27/03/2024 23:00:00 AEST
Outage End Date & Time: 27/03/2024 23:10:00 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 15 minutes from 23:30 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: CHG0086078
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal

Service/Component: Electricity Market Management System
Change Title: EMMS Production Bay transfer

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

Change Number: CHG0078963
Notification issued to: Market Notice

Notification Type: Cancelled
Change Type: Normal

Service/ Component: Market Network
Change Title: Annual renewal and update of AEMO's API and WebService server certificate.

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