Market Notices

116127GENERAL NOTICE15/04/2024 10:46:44 AM

SERVICE INTERRUPTION - AEMO NEM Control Rooms BT Phones

AEMO ELECTRICITY MARKET NOTICE

SERVICE INTERRUPTION - AEMO NEM Control Rooms BT Phones

AEMO is experiencing a service interruption relating to: NEM Control Room Primary BT Phone services

Primary phone communication in and out of the NEM Control Rooms are currently unavailable.

AEMO is working on restoring the service. AEMO Support Hub will provide updates as more information becomes available.

Participants are requested to contact the AEMO Electricity Control Room via backup means.

For further enquiries please contact the AEMO Support Hub
Phone: 1300236600 Opt1
Email: supporthub@aemo.com.au]

Manager NEM Real Time Operations
116100MARKET SYSTEMS12/04/2024 02:56:28 PM

CHG0088138 | Production | Brisbane MarketNet Firewall Refresh

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 .
116096MARKET SYSTEMS12/04/2024 11:34:02 AM

CHG0087945 | Completed | Production | Planned System Maintenance activity

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.
116081MARKET SYSTEMS10/04/2024 06:04:34 PM

CHG0087908 | Completed | Pre-Production | Pre-Prod MSATS Lifecycle Maintenance

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.
116076NON-CONFORMANCE10/04/2024 02:55:14 PM

NON-CONFORMANCE Region QLD1 Wednesday, 10 April 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 10 April 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_2
Duration: 10/04/2024 14:35 to 10/04/2024 14:55
Amount: 16 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations
116074GENERAL NOTICE10/04/2024 11:06:19 AM

Fast Frequency Response Market - Increase in R1 and L1 FCAS dispatch caps from 15 April 2024

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 15 April AEMO will:

Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 250 MW to 325 MW

Increase the cap on dispatch of Very Fast Lower (L1) Contingency FCAS from 125 MW to 200 MW

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations
116073MARKET SYSTEMS10/04/2024 10:48:45 AM

CHG0085919 | Production | Removal of support of TLS Version 1.1 and lower

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 .
116060MARKET SYSTEMS09/04/2024 03:14:50 PM

CHG0087945 | Production | Planned System Maintenance activity

Change Number: CHG0087945
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)
Change Title: Planned System Maintenance activity.

Change Start Date & Time: 10/04/2024 11:00:00 AEST
Change End Date & Time: 10/04/2024 12:00:00 AEST
Outage Start Date & Time: 10/04/2024 11:00:00 AEST
Outage End Date & Time: 10/04/2024 12:00:00 AEST

Environment: Production

Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after this change.

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.
116052GENERAL NOTICE09/04/2024 11:26:28 AM

Increase to QNI limit to next hold point of 850 MW NSW to Qld

AEMO ELECTRICITY MARKET NOTICE

Refer to market notices 114742.

AEMO, TransGrid, Powerlink have reviewed the test results following the QNI minor testing on 15th February 2024. The next hold point can now be released.

The hold point of 850 MW from NSW to Qld will be implemented as of 1000 hrs 10th April 2024.

Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade

Ben Blake
AEMO Operations
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