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127361RECLASSIFY CONTINGENCY03/06/2025 12:30:12 AM
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 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: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 03/06/2025 00:30 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
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: 03/06/2025 00:30 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
127359RESERVE NOTICE02/06/2025 06:17:40 PM
Cancellation of Actual (LOR1) condition in the NSW region - 02/06/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 02/06/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127357 is cancelled at 1815 hrs 02/06/2025.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 02/06/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127357 is cancelled at 1815 hrs 02/06/2025.
Manager NEM Real Time Operations
127358RECLASSIFY CONTINGENCY02/06/2025 05:50:09 PM
Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - All NEM regions.
AEMO ELECTRICITY MARKET NOTICE.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 127343 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1750 hrs 02/06/2025
Manager NEM Real Time Operations
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 127343 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1750 hrs 02/06/2025
Manager NEM Real Time Operations
127357RESERVE NOTICE02/06/2025 05:41:59 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/06/2025
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1740 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs.
The forecast capacity reserve requirement is 1773 MW.
The minimum capacity reserve available is 1559 MW.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 02/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1740 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs.
The forecast capacity reserve requirement is 1773 MW.
The minimum capacity reserve available is 1559 MW.
Manager NEM Real Time Operations
127349RESERVE NOTICE01/06/2025 07:12:29 PM
Cancellation of Actual (LOR1) condition in the NSW region - 01/06/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 01/06/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127348 is cancelled at 1910 hrs 01/06/2025.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 01/06/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.127348 is cancelled at 1910 hrs 01/06/2025.
Manager NEM Real Time Operations
127348RESERVE NOTICE01/06/2025 06:54:26 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/06/2025
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1830 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs
The capacity reserve requirement is 1666 MW
The minimum capacity reserve available is 1646 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1830 hrs.
The Actual LOR1 condition is forecast to exist until 1900 hrs
The capacity reserve requirement is 1666 MW
The minimum capacity reserve available is 1646 MW
Manager NEM Real Time Operations
127347RESERVE NOTICE01/06/2025 05:40:16 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW Region on 01/06/2025
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs.
The forecast capacity reserve requirement is 1694 MW.
The minimum capacity reserve available is 1568 MW.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/06/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs.
The forecast capacity reserve requirement is 1694 MW.
The minimum capacity reserve available is 1568 MW.
Manager NEM Real Time Operations
127344RECLASSIFY CONTINGENCY01/06/2025 12:46:11 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 02/06/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1730 hrs 02/06/2025 to 1900 hrs 02/06/2025.
The forecast capacity reserve requirement is 1766 MW.
The minimum capacity reserve available is 1650 MW.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1730 hrs 02/06/2025 to 1900 hrs 02/06/2025.
The forecast capacity reserve requirement is 1766 MW.
The minimum capacity reserve available is 1650 MW.
Manager NEM Real Time Operations
127343RECLASSIFY CONTINGENCY31/05/2025 05:02:27 PM
Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - All NEM regions.
AEMO ELECTRICITY MARKET NOTICE.
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely Severe Space Weather Watch in all NEM regions.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely Severe Space Weather Watch in all NEM regions.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations