Market Notices

118245RECLASSIFY CONTINGENCY11/09/2024 11:11:06 PM

Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.

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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Duration: 11/09/2024 23:11 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
118244RECLASSIFY CONTINGENCY11/09/2024 09:29:30 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 11/09/2024 21:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 118243

Auto-generated on behalf of Manager NEM Real Time Operations
     
118243RECLASSIFY CONTINGENCY11/09/2024 05:28:40 PM

Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.

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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 11/09/2024 17:28 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
118221MARKET SYSTEMS10/09/2024 04:26:12 PM

CHG0098210 | Production | AEMOCHG0098210 | Production | AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system. will be undertaking maintenance activities on the NEMSETTLEMENTSR system.

Change Number: CHG0098210
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.

Change Start Date & Time: 12/09/2024 13:00:14 AEST
Change End Date & Time: 13/09/2024 00:00:14 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system. Whilst no outage is expected there is potential for transient performance degradation during the 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 .
     
118218MARKET SYSTEMS10/09/2024 03:33:34 PM

CHG0098189 | Completed | Pre-Production | Pre-Prod MSATS Maintenance

Change Number: CHG0098189

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 Maintenance

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
118217MARKET SYSTEMS10/09/2024 01:23:56 PM

CHG0098195 | Production | AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR, Stpasa system

Change Number: CHG0098195
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR, Stpasa system

Change Start Date & Time: 11/09/2024 20:00:00 AEST
Change End Date & Time: 12/09/2024 02:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR, Stpasa system. Whilst no outage is expected there is potential for transient performance degradation during the 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 .
     
118216MARKET SYSTEMS10/09/2024 01:12:57 PM

CHG0098193 | Production | AEMO will be undertaking maintenance activities on the RCM system

Change Number: CHG0098193
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cohesity

Change Title: AEMO will be undertaking maintenance activities on the RCM system
Change Start Date & Time: 11/09/2024 20:00:00 AEST
Change End Date & Time: 12/09/2024 02:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system. Whilst no outage is expected there is potential for transient performance degradation during the 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 .
     
118204RESERVE NOTICE09/09/2024 11:53:31 AM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 10/09/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 118202 is cancelled at 1100 hrs 09/09/2024.

No LOR2 condition is currently forecast in the STPASA period.

AEMO Operations
     
118202RESERVE NOTICE09/09/2024 11:00:49 AM

STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 10/09/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:

From 1830 hrs to 1930 hrs 10/09/2024.
The forecast capacity reserve requirement is 347 MW.
The minimum capacity reserve available is 343 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations
     
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