Market Notices

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: 13/07/2024 15:41 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

Inter-regional transfer limit variation - Robertstown - Tungkillo No.1 275 kV line - SA region - 12/07/2024

A planned outage of Robertstown - Tungkillo No.1 275 kV line in the SA region was scheduled to be completed at 1730 hrs 14/07/2024.

The outage has been completed and Robertstown - Tungkillo No.1 275 kV line returned to service at 2043 hrs 12/07/2024

Constraint set(s) revoked: S-RBTU

Manager NEM Real Time Operations

Change Number: CHG0091275
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)

Change Title: MSATS - eMDM Maintenance AKS v1.28 upgrade
Change Start Date & Time: 21/07/2024 10:00:00 AEST
Change End Date & Time: 21/07/2024 14:00:00 AEST
Outage Start Date & Time: 21/07/2024 10:00:00 AEST
Outage End Date & Time: 21/07/2024 14:00:00 AEST
Environment: 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 .

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 12 July 2024

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

Unit: MPP_2
Duration: 12/07/2024 07:05 to 12/07/2024 07:55
Amount: -74 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations

Change Number: CHG0090719

Notification issued to: Market Notice

Notification Type: Cancelled

Change Type: Normal

Service/ Component: Market Network

Change Title: Change to MarketNet SSL VPN

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

Change Number: CHG0091273
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MDM - Meter Data Management

Change Title: Pre-Prod MASTS - eMDM Maintenance AKS v1.28 upgrade
Change Start Date & Time: 16/07/2024 13:00:00 AEST
Change End Date & Time: 16/07/2024 15:00:00 AEST
Outage Start Date & Time: 16/07/2024 13:00:00 AEST
Outage End Date & Time: 16/07/2024 15:00:00 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 .

AEMO ELECTRICITY MARKET NOTICE

Cancellation Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)

Refer AEMO Electricity Market Notice 117333

AEMO has been notified that the controls to vary Murraylink output are now available.

Constraint set I-CTRL_ISSUE_ML revoked at 1655 hrs.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink control unavailable (VIC Region)

AEMO has been notified that the controls to vary Murraylink output are unavailable until further notice.

Constraint set I-CTRL_ISSUE_ML invoked from 1625 hrs.

The constraint set contains equations with the following interconnector on the LHS:

V-S-MNSP1


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Coffs Harbour - Lismore (89) 330kV line - NSW region - 10/07/2024

A planned outage of Coffs Harbour - Lismore (89) 330kV line in the NSW region was scheduled to return to service 0514 hrs 12/07/2024.

The outage has been completed and Coffs Harbour - Lismore (89) 330kV line returned to service at 1540 hrs 10/07/2024

Constraint set(s) revoked: N-CHLS_89 and N-DLETS_OS

Manager NEM Real Time Operations