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Inital - CHG0101808 - Pre-production EMMS database Maintainence activity
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Data Store
Change Title: Pre-production EMMS database Maintainence activity
Change Start Date & Time: 11/03/2025 01:00:00
Change End Date & Time: 19/03/2025 17:00:00
Outage Start Date & Time: 13/03/2025 12:00:00
Outage End Date & Time: 13/03/2025 15:00:00
Environment: Pre-Production
Participant Impact and Requirements: The Electricity Market Management System (EMMS) , Gas Supply Hub (GSH) and FPP Pre-Production environment will be unavailable during the outage window.
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 .
Non-credible contingency event - SA region - 11/03/2025
Non-credible contingency event - SA region - 11/03/2025
At 0917 hrs the Penola West - South East 132 kV line and the Kincraig - Penola West 132 kV line tripped.
AEMO did not instruct load shedding.
Approximately 3 MW of electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
[EventId:202503110930_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 11 March 2025 09:30
Issued by Australian Energy Market Operator Ltd at 0930 hrs on 11 March 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 March 2025.
Refer to market notice: 125514
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 0930 hrs on 11 March 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202503110830_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 11 March 2025 08:30
Issued by Australian Energy Market Operator Ltd at 0830 hrs on 11 March 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 March 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0830 hrs on 11 March 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
[EventId:202503110755_confirmed] Prices for interval 11-Mar-2025 07:55 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 11 March 2025
PRICES ARE NOW CONFIRMED for trading interval 11-Mar-2025 07:55.
In accordance with Market Notice 125502 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202503110820_confirmed] Prices for interval 11-Mar-2025 08:20 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 11 March 2025
PRICES ARE NOW CONFIRMED for trading interval 11-Mar-2025 08:20.
In accordance with Market Notice 125507 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202503110815_confirmed] Prices for interval 11-Mar-2025 08:15 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 11 March 2025
PRICES ARE NOW CONFIRMED for trading interval 11-Mar-2025 08:15.
In accordance with Market Notice 125506 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202503110810_confirmed] Prices for interval 11-Mar-2025 08:10 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 11 March 2025
PRICES ARE NOW CONFIRMED for trading interval 11-Mar-2025 08:10.
In accordance with Market Notice 125505 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202503110805_confirmed] Prices for interval 11-Mar-2025 08:05 are now confirmed
Issued by Australian Energy Market Operator Ltd at 0820 hrs on 11 March 2025
PRICES ARE NOW CONFIRMED for trading interval 11-Mar-2025 08:05.
In accordance with Market Notice 125504 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.