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92283RECLASSIFY CONTINGENCY09/11/2021 08:54:45 PM
Cancellation of a Non-Credible Contingency Event: Condabri Nth - Condabri Central 7400 132kV line and Condabri Nth - Condabri Central 7401 132kV line in QLD1 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: QLD1
Lines: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Cancellation time: 09/11/2021 20:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92280
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: QLD1
Lines: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Cancellation time: 09/11/2021 20:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 92280
Auto-generated on behalf of Manager NEM Real Time Operations
92282RESERVE NOTICE09/11/2021 07:32:33 PM
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 12/11/2021
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 92279 has been updated at 1930 hrs 09/11/2021 to the following:
[1.] From 1630 hrs 12/11/2021 to 1900 hrs 12/11/2021.
The forecast capacity reserve requirement is 842 MW.
The minimum capacity reserve available is 719 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
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 92279 has been updated at 1930 hrs 09/11/2021 to the following:
[1.] From 1630 hrs 12/11/2021 to 1900 hrs 12/11/2021.
The forecast capacity reserve requirement is 842 MW.
The minimum capacity reserve available is 719 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
92281RESERVE NOTICE09/11/2021 06:45:19 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 09/11/2021
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 92262 is cancelled at 1845 hrs 09/11/2021.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 92262 is cancelled at 1845 hrs 09/11/2021.
Manager NEM Real Time Operations
92280RECLASSIFY CONTINGENCY09/11/2021 05:49:15 PM
Reclassification of a Non-Credible Contingency Event: Condabri Nth - Condabri Central 7400 132kV line and Condabri Nth - Condabri Central 7401 132kV line in QLD1 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: QLD1
Lines: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Duration: 09/11/2021 17:49 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: QLD1
Lines: Condabri Nth - Condabri Central 7400 132kV and Condabri Nth - Condabri Central 7401 132kV
Duration: 09/11/2021 17:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
92279RESERVE NOTICE09/11/2021 05:27:43 PM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 12/11/2021
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 1630 hrs 12/11/2021 to 1700 hrs 12/11/2021.
The forecast capacity reserve requirement is 774 MW.
The minimum capacity reserve available is 735 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 QLD region for the following period:
[1.] From 1630 hrs 12/11/2021 to 1700 hrs 12/11/2021.
The forecast capacity reserve requirement is 774 MW.
The minimum capacity reserve available is 735 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
92278RECLASSIFY CONTINGENCY09/11/2021 05:18:35 PM
Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 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: QLD1
Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Duration: 09/11/2021 17:18 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: QLD1
Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV
Duration: 09/11/2021 17:18 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
92277RECLASSIFY CONTINGENCY09/11/2021 04:11:19 PM
Reclassification of a Non-Credible Contingency Event: Collinsville North - Newlands No.7121 and Collinsville North - Stoney Creek No.7306 132kV lines in QLD 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: QLD
Lines: Collinsville North - Newlands No.7121 and Collinsville North - Stoney Creek No.7306 132kV lines
Duration: 1610 hrs 09/11/2021 until further notice
Constraint set(s) invoked: Nil
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: QLD
Lines: Collinsville North - Newlands No.7121 and Collinsville North - Stoney Creek No.7306 132kV lines
Duration: 1610 hrs 09/11/2021 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
92276GENERAL NOTICE09/11/2021 04:08:31 PM
Update - Vulnerable lines in QLD Region
AEMO ELECTRICITY MARKET NOTICE
Update - Vulnerable lines in QLD Region
Refer to AEMO Electricity Market Notice 92275
At 1713 hrs 08/11/2021 Collinsville North - Newlands 7121 132 kV Line and Collinsville North - Stoney Creek 7306 132 kV Line tripped and auto-reclosed.
The cause of the trip was identified as due to Lightning.
In accordance with SO_OP_3715, AEMO now considers the Collinsville North - Newlands 7121 132 kV Line and Collinsville North - Stoney Creek 7306 132 kV Line to be vulnerable with a category of probable due to Lightning.
Manager NEM Real Time Operations
Update - Vulnerable lines in QLD Region
Refer to AEMO Electricity Market Notice 92275
At 1713 hrs 08/11/2021 Collinsville North - Newlands 7121 132 kV Line and Collinsville North - Stoney Creek 7306 132 kV Line tripped and auto-reclosed.
The cause of the trip was identified as due to Lightning.
In accordance with SO_OP_3715, AEMO now considers the Collinsville North - Newlands 7121 132 kV Line and Collinsville North - Stoney Creek 7306 132 kV Line to be vulnerable with a category of probable due to Lightning.
Manager NEM Real Time Operations
92275POWER SYSTEM EVENTS09/11/2021 04:07:47 PM
Update - Non-credible contingency event - Qld region - 08/11/2021
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - Qld region - 08/11/2021
Refer AEMO ELECTRICITY MARKET NOTICE 92252
At 1713 hrs 08/11/2021 Collinsville North - Newlands 7121 132 kV Line and Collinsville North - Stoney Creek 7306 132 kV Line tripped and auto-reclosed
The cause of this non credible contingency event has been identified as due to lightning.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO will therefore reclassify this event as a credible contingency event when lightning is in the vicinity.
Manager NEM Real Time Operations
Update - Non-credible contingency event - Qld region - 08/11/2021
Refer AEMO ELECTRICITY MARKET NOTICE 92252
At 1713 hrs 08/11/2021 Collinsville North - Newlands 7121 132 kV Line and Collinsville North - Stoney Creek 7306 132 kV Line tripped and auto-reclosed
The cause of this non credible contingency event has been identified as due to lightning.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO will therefore reclassify this event as a credible contingency event when lightning is in the vicinity.
Manager NEM Real Time Operations