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Possible intervention to manage power system security in SA region
Possible intervention to manage power system security in SA region
The synchronous generating units currently expected to be synchronised in SA from 1000 hrs 10/06/2024 will be inadequate to maintain a secure operating state in SA .
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA .
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 13/06/2024
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 116905 is cancelled at 1400 hrs 07/06/2024.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 13/06/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 1730 hrs to 2100 hrs 13/06/2024.
The forecast capacity reserve requirement is 439 MW.
The minimum capacity reserve available is 382 MW.
AEMO Operations
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 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: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 06/06/2024 13:34
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 116902
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 06/06/2024 12:30 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
Network Augmentation Commissioned - QLD Region - 05/06/2024
Network Augmentation Commissioned - QLD Region - 05/06/2024
H20 Broadsound 275 kV Bus Reactor 1 (150 MVAr) has been commissioned as at 1043 hrs.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 04/06/2024
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 116881 for the 04/06/2024 is cancelled at 1745 hrs 03/06/2024.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 04/06/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1700 hrs 04/06/2024 to 1730 hrs 04/06/2024.
The forecast capacity reserve requirement is 448 MW.
The minimum capacity reserve available is 411 MW.
Manager NEM Real Time Operations
Fast Frequency Response Market - Increase in R1 and L1 FCAS dispatch caps from 11th June 2024
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Tuesday 11th June AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 325 MW to 350 MW
Increase the cap on dispatch of Very Fast Lower (L1) Contingency FCAS from 200 MW to 225 MW
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