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Cancellation of a Non-Credible Contingency Event: Hazelwood - Rowville No.1 220kV line and Hazelwood - Rowville No.2 220kV line in VIC1 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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Cancellation time: 16/11/2020 01:04
Constraint set(s) revoked:
V-HWRO_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 79952
Auto-generated on behalf of Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/11/2020
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 79949 has been updated at 0035 hrs to the following:
From 1500 hrs 16/11/2020 to 1800 hrs 16/11/2020
The contingency forecast capacity reserve requirement is 1476 MW.
The minimum capacity reserve available is 1133 MW.
Manager NEM Real Time Operations
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.
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: 16/11/2020 00:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 79953
Auto-generated on behalf of Manager NEM Real Time Operations
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.
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: 15/11/2020 23:31 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: Hazelwood - Rowville No.1 220kV line and Hazelwood - Rowville No.2 220kV line in VIC1 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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Duration: 15/11/2020 22:59 until further notice
Constraint set(s) invoked:
V-HWRO_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation : Non-credible contingency event more likely to occur due to existence of abnormal conditions - SA region.
AEMO ELECTRICITY MARKET NOTICE.
Abnormal conditions advised in AEMO Electricity Market Notice 79924 have ceased to impact the likelihood of a non-credible event occurring as at 2100 hrs 15/11/2020
Manager NEM Real Time Operations
Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly, its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 2100 hrs 15/11/2020
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 79923
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/11/2020
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 79941 has been updated at 1845 hrs to the following:
From 1500 hrs 16/11/2020 to 1830 hrs 16/11/2020
The contingency forecast capacity reserve requirement is 1467 MW.
The minimum capacity reserve available is 1053 MW.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/11/2020
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 79942 is cancelled at 1835 hrs 15/11/2020
Manager NEM Real Time Operations