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118199SETTLEMENTS RESIDUE08/09/2024 08:00:22 PM
[EventId:202409082000_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 September 2024 20:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 2000 hrs on 8 September 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 September 2024.
Refer to market notice: 118188
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 2000 hrs on 8 September 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 2000 hrs on 8 September 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 September 2024.
Refer to market notice: 118188
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 2000 hrs on 8 September 2024.
This is an AEMO autogenerated Market Notice.
118188SETTLEMENTS RESIDUE08/09/2024 06:16:24 PM
[EventId:202409081815_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 September 2024 18:15
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1815 hrs on 8 September 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 September 2024.
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 1815 hrs on 8 September 2024.
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.
Issued by Australian Energy Market Operator Ltd at 1815 hrs on 8 September 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 September 2024.
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 1815 hrs on 8 September 2024.
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.
118171POWER SYSTEM EVENTS06/09/2024 08:18:58 PM
Update - Non-credible contingency event - VIC region - 06/09/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - VIC region - 06/09/2024
Refer AEMO Electricity Market Notice 118166
At 2005 hrs the Loy Yang PS No. 4 500 kV bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - VIC region - 06/09/2024
Refer AEMO Electricity Market Notice 118166
At 2005 hrs the Loy Yang PS No. 4 500 kV bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
118170PRICE ADJUSTMENT06/09/2024 07:20:01 PM
Prices for intervals on 05/09/2024 from 13:55 to 15:10 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Refer AEMO Electricity Market Notice 118149 and 118150.
PRICES ARE NOW REVISED to Market Suspension Pricing Schedule for trading intervals on 05/09/2024 from 1355 hrs to 1510 hrs.
Manager Electricity Market Monitoring
Refer AEMO Electricity Market Notice 118149 and 118150.
PRICES ARE NOW REVISED to Market Suspension Pricing Schedule for trading intervals on 05/09/2024 from 1355 hrs to 1510 hrs.
Manager Electricity Market Monitoring
118167NON-CONFORMANCE06/09/2024 02:30:23 PM
NON-CONFORMANCE Region QLD1 Friday, 6 September 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Friday, 6 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: WDBESSG1, WDBESSL1
Aggregate Dispatch Group: WDBESS_ADG1
Duration: 06/09/2024 13:45 to 06/09/2024 14:30
Amount: 101 MW
Constraint: NC-Q_WDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Friday, 6 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: WDBESSG1, WDBESSL1
Aggregate Dispatch Group: WDBESS_ADG1
Duration: 06/09/2024 13:45 to 06/09/2024 14:30
Amount: 101 MW
Constraint: NC-Q_WDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
118166POWER SYSTEM EVENTS06/09/2024 12:38:00 PM
Non-credible contingency event - VIC region - 06/09/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 06/09/2024
At 1222 hrs the Loy Yang PS No. 4 500 kV bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 06/09/2024
At 1222 hrs the Loy Yang PS No. 4 500 kV bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
118161NON-CONFORMANCE05/09/2024 10:35:13 PM
NON-CONFORMANCE Region NSW1 Thursday, 5 September 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Thursday, 5 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MP1
Duration: 05/09/2024 22:30 to 05/09/2024 22:35
Amount: -103 MW
Constraint: NC-N_MP1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Thursday, 5 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MP1
Duration: 05/09/2024 22:30 to 05/09/2024 22:35
Amount: -103 MW
Constraint: NC-N_MP1
Auto-generated on behalf of Manager NEM Real Time Operations
118145GENERAL NOTICE05/09/2024 10:06:25 AM
Fast Frequency Response Market - Removal of L1 FCAS dispatch cap from 9th September 2024
AEMO ELECTRICITY MARKET NOTICE
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 9th September AEMO will remove the 225 MW cap on dispatch of Very Fast Lower (L1) Contingency FCAS.
The 225 MW cap on dispatch of L1 FCAS sits well above typical disaptch volumes, and no immediate impact is expected from this change.
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
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 9th September AEMO will remove the 225 MW cap on dispatch of Very Fast Lower (L1) Contingency FCAS.
The 225 MW cap on dispatch of L1 FCAS sits well above typical disaptch volumes, and no immediate impact is expected from this change.
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
118067NON-CONFORMANCE02/09/2024 02:40:19 PM
NON-CONFORMANCE Region SA1 Monday, 2 September 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE SA1 Region Monday, 2 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 02/09/2024 11:40 to 02/09/2024 14:40
Amount: 18 MW
Constraint: NC-S_TB2HYB_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE SA1 Region Monday, 2 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 02/09/2024 11:40 to 02/09/2024 14:40
Amount: 18 MW
Constraint: NC-S_TB2HYB_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations