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[EventId:202109181035_review] Prices for interval 18-Sep-2021 10:35 are subject to review
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 18 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 18-Sep-2021 10:35.
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.
[EventId:202109181030_review] Prices for interval 18-Sep-2021 10:30 are subject to review
Issued by Australian Energy Market Operator Ltd at 1025 hrs on 18 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 18-Sep-2021 10:30.
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.
[EventId:202109180900_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 18 September 2021 09:00
Issued by Australian Energy Market Operator Ltd at 0900 hrs on 18 September 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 18 September 2021.
Refer to market notice: 90662
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.
The negative residue constraint NRM_QLD1_NSW1 ceased operating at 0900 hrs on 18 September 2021.
This is an AEMO autogenerated Market Notice.
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region beginning on 21/09/2021
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 90660 is cancelled at 0820 hrs 18/09/2021.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 21/09/2021
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 90661 is cancelled at 0820 hrs 18/09/2021.
No LOR2 condition is currently forecast in the STPASA period.
AEMO Operations
[EventId:202109180805_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 18 September 2021 08:05
Issued by Australian Energy Market Operator Ltd at 0805 hrs on 18 September 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 18 September 2021.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the QLD to NSW directional interconnector.
The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 0805 hrs on 18 September 2021.
This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 21/09/2021
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 90657 has been updated at 0730 hrs 18/09/2021 to the following:
From 1830 hrs 21/09/2021 to 2100 hrs 21/09/2021.
The forecast capacity reserve requirement is 243 MW.
The minimum capacity reserve available is 143 MW.
AEMO is seeking a market response.
AEMO estimates the latest time it would need to intervene through an AEMO intervention event is 1230 hrs on 20/09/2021
Manager NEM Real Time Operations
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region beginning on 21/09/2021
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 90620 has been updated at 0730 hrs 18/09/2021 to the following:
[1.] From 1800 hrs 21/09/2021 to 1830 hrs 21/09/2021.
The forecast capacity reserve requirement is 434 MW.
The minimum capacity reserve available is 341 MW.
[2.] From 2100 hrs 21/09/2021 to 2300 hrs 21/09/2021.
The forecast capacity reserve requirement is 434 MW.
The minimum capacity reserve available is 271 MW.
[3.] From 1900 hrs 22/09/2021 to 2100 hrs 22/09/2021.
The forecast capacity reserve requirement is 450 MW.
The minimum capacity reserve available is 395 MW.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 due to Lightning.
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: TAS1
Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV
Cancellation time: 18/09/2021 04:18
Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Refer AEMO Electricity Market Notice 90658
Auto-generated on behalf of Manager NEM Real Time Operations