Market Notices

AEMO ELECTRICITY MARKET NOTICE

Severe Space Weather Watch Notification 25/03/2024

The Australian Bureau of Meteorology's Space Weather Forecasting Centre has issued the following notification.

Severe space weather watch: A recent space weather event is anticipated to impact the Earth within the next 48 hours.

The effects are expected to be significant.

Increased awareness of critical infrastructure is advised.

Please monitor the SWS website for further updates at https://www.sws.bom.gov.au

If required; actions will be taken as per AEMO's system operating procedure SO_OP3715 Power System Security Guidelines.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 14/03/2024

Refer AEMO Electricity Market Notice 115624

At 1635 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations

Change Number: CHG0086184
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: NSW Internet Router Refresh
Change Start Date & Time: 06/04/2024 09:00:45 AEST
Change End Date & Time: 06/04/2024 14:00:45 AEST
Outage Start Date & Time: 06/04/2024 09:30:00 AEST
Outage End Date & Time: 06/04/2024 13:30:00 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 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 - Up to 2 hour outage to TNSPs with B2B VPN to AEMO NSW Datacentre if VPN connection is only terminating in NSW only

SSL VPN Participants: None expected as DNS entry will be updated to remove NSW IP.

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 .

Change Number: CHG0087317
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management
Change Title: Pre-Prod BAU Retail November Maintenance Release
Change Start Date & Time: 26/03/2024 12:00:00 AEST
Change End Date & Time: 26/03/2024 17:00:00 AEST
Outage Start Date & Time: 26/03/2024 12:00:00 AEST
Outage End Date & Time: 26/03/2024 14:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.

Meter data processing and RM reports will not be available during the outage period.

User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.

MSATS B2B Transactions and B2B MSATS Screens will be unavailable during this outage

NMI Discovery will not be available during the outage period.

CDR and CDP will not be available during the outage 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 .

Change Number: CHG0087752
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Short Term Trading Market
Change Title: Maintenance activities to be performed on the Gas Short Term Trading Market Systems Pre-Production.

Change Start Date & Time: 22/03/2024 09:00:00 AEST
Change End Date & Time: 25/03/2024 17:00:00 AEST
Outage Start Date & Time: 22/03/2024 09:00:00 AEST
Outage End Date & Time: 22/03/2024 17:00:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: This is a regular procedure to allow routine maintenance. short service outages over the day for STTM services including SWEX and MIS.Pre-Production Gas Short Term Trading Market (STTM)

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: 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 .

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.