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91889PRICES SUBJECT TO REVIEW23/10/2021 11:15:17 AM
[EventId:202110231120_review] Prices for interval 23-Oct-2021 11:20 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1115 hrs on 23 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Oct-2021 11:20.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1115 hrs on 23 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Oct-2021 11:20.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
91888PRICES SUBJECT TO REVIEW23/10/2021 11:10:15 AM
[EventId:202110231115_review] Prices for interval 23-Oct-2021 11:15 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1110 hrs on 23 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Oct-2021 11:15.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1110 hrs on 23 October 2021
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Oct-2021 11:15.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
91887SETTLEMENTS RESIDUE23/10/2021 10:30:17 AM
[EventId:202110231030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 23 October 2021 10:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 23 October 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 October 2021.
Refer to market notice: 91885
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 1030 hrs on 23 October 2021.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 23 October 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 October 2021.
Refer to market notice: 91885
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 1030 hrs on 23 October 2021.
This is an AEMO autogenerated Market Notice.
91885SETTLEMENTS RESIDUE23/10/2021 09:35:17 AM
[EventId:202110230935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 23 October 2021 09:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 23 October 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 October 2021.
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 0935 hrs on 23 October 2021.
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 0935 hrs on 23 October 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 October 2021.
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 0935 hrs on 23 October 2021.
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.
91884MARKET SYSTEMS23/10/2021 08:21:06 AM
CHG0070738 | Completed | Pre-Production | CATS Pre-Production Database
Change Number: CHG0070738
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution (CATS)
Change Title: CATS Pre-Production Database
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution (CATS)
Change Title: CATS Pre-Production Database
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
91883RECLASSIFY CONTINGENCY23/10/2021 08:14:25 AM
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: 23/10/2021 08:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91882
Auto-generated on behalf of Manager NEM Real Time Operations
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: 23/10/2021 08:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91882
Auto-generated on behalf of Manager NEM Real Time Operations
91882RECLASSIFY CONTINGENCY23/10/2021 06:12:00 AM
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: 23/10/2021 06:11 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 23/10/2021 06:11 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
91881RESERVE NOTICE23/10/2021 05:49:41 AM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 27/10/2021
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 91880 is cancelled at 0600 hrs 23/10/2021.
No LOR2 condition is currently forecast in the STPASA period.
Manager NEM Real Time Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 91880 is cancelled at 0600 hrs 23/10/2021.
No LOR2 condition is currently forecast in the STPASA period.
Manager NEM Real Time Operations
91880RESERVE NOTICE22/10/2021 11:35:21 PM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 27/10/2021
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:
[1.] From 1800 hrs 27/10/2021 to 1900 hrs 27/10/2021.
The forecast capacity reserve requirement is 194 MW.
The minimum capacity reserve available is 92 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.
Manager NEM Real Time Operations
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:
[1.] From 1800 hrs 27/10/2021 to 1900 hrs 27/10/2021.
The forecast capacity reserve requirement is 194 MW.
The minimum capacity reserve available is 92 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.
Manager NEM Real Time Operations