Market Notices

117315MARKET SYSTEMS08/07/2024 09:30:00 AM

CHG0090456 | Completed | Production | Renewal and update of AEMO's FBS_Prod_Hub.aemo.com.au server certificate

Change Number: CHG0090456

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Market Network

Change Title: Renewal and update of AEMO's FBS_Prod_Hub.aemo.com.au server certificate.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
117307RECLASSIFY CONTINGENCY06/07/2024 11:04:37 PM

Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.

AEMO ELECTRICITY MARKET NOTICE.

AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 117306 is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 2300 hrs 06/07/2024.

Constraint set revoked: I-VS_250

Manager NEM Real Time Operations
117306RECLASSIFY CONTINGENCY06/07/2024 09:34:08 PM

Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.

AEMO ELECTRICITY MARKET NOTICE.

AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely severe weather in the SA region.

AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.

AEMO has taken the following action to maintain power system security at 2120 hrs 06/07/2024.

Constraint set invoked: I-VS_250

Duration: 2120 hrs 06/07/2024 until further notice

Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).

Manager NEM Real Time Operations
117298RECLASSIFY CONTINGENCY06/07/2024 02:40:53 PM

Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning .

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Cancellation time: 1400 hrs 06/07/2024
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 117297

Manager NEM Real Time Operations
117297RECLASSIFY CONTINGENCY05/07/2024 09:29:06 PM

Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

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: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Duration: 05/07/2024 21:30 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
117296MARKET SYSTEMS05/07/2024 03:30:41 PM

CHG0090731 | Production | MSATS and eMDM July Maintenance Release

Change Number: CHG0090731

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

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

Change Title: MSATS and eMDM July Maintenance Release
Change Start Date & Time: 14/07/2024 10:00:00 AEST
Change End Date & Time: 14/07/2024 18:00:00 AEST
Outage Start Date & Time: 14/07/2024 10:00:00 AEST
Outage End Date & Time: 14/07/2024 18:00:00 AEST

Environment: Production

Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.

NOTE: The Outage is from 10:00 to 18:00 AEST which is 4 hours longer than the agreed maintenace window of 10:00 to 14:00 AEST.

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/B2M 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 .
117280RECLASSIFY CONTINGENCY03/07/2024 03:14:13 PM

Cancellation of Reclassification of a Non-Credible Contingency Event - SA region - 13/10/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Reclassification of a Non-Credible Contingency Event: South East No.1 SVC and No.2 SVC - SA region - 13/10/2023.

Refer AEMO Electricity Market Notice 110252

Based on advice from the participant, AEMO considers the trip of the following circuit at South East is unlikely to re-occur. Accordingly, its classification has reverted to a non-credible contingency event.

Region: SA

Equipment: South East No.1 SVC and No.2 SVC

Cancellation time: 1515 hrs 03/07/2024

Constraint set(s) revoked: Nil


Manager NEM Real Time Operations
117258MARKET SYSTEMS01/07/2024 10:32:38 AM

CHG0090790 | Completed | Production | Maintenance activities to be performed on the Gas Short Term Trading Market Systems Production.

Change Number: CHG0090790

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Gas FRC - CATS

Change Title: Maintenance activities to be performed on 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.
117257MARKET SYSTEMS01/07/2024 10:27:56 AM

CHG0090718 | Production | QLD Marketnet Router Replacement

Change Number: CHG0090718

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: 10/08/2024 13:00:24 AEST

Change End Date & Time: 10/08/2024 17:00:24 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:

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.
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