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94128RECLASSIFY CONTINGENCY27/01/2022 11:29:05 PM
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.
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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Cancellation time: 27/01/2022 23:29
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 94122
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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Cancellation time: 27/01/2022 23:29
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 94122
Auto-generated on behalf of Manager NEM Real Time Operations
94127RECLASSIFY CONTINGENCY27/01/2022 11:10:09 PM
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.
AEMO ELECTRICITY MARKET NOTICE.
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: 2310 hrs 27/01/2022
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 94121
Manager NEM Real Time Operations
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: 2310 hrs 27/01/2022
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 94121
Manager NEM Real Time Operations
94126GENERAL NOTICE27/01/2022 10:54:01 PM
Cancellation - Non-credible contingency event more likely to occur due to existence of abnormal condition/s - Victoria region.
AEMO ELECTRICITY MARKET NOTICE.
Abnormal conditions advised in AEMO Electricity Market Notice 94116 have ceased to impact the likelihood of a non-credible event occurring as at 2245 hrs 27/01/2022.
Manager NEM Real Time Operations
Abnormal conditions advised in AEMO Electricity Market Notice 94116 have ceased to impact the likelihood of a non-credible event occurring as at 2245 hrs 27/01/2022.
Manager NEM Real Time Operations
94125POWER SYSTEM EVENTS27/01/2022 10:53:13 PM
Update - Non-credible contingency event - Vic region - 27/01/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - Vic region - 27/01/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN 94123
At 2235 hrs the Eildon No. 2 220 kV Bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - Vic region - 27/01/2022
Refer AEMO ELECTRICITY MARKET NOTICE MN 94123
At 2235 hrs the Eildon No. 2 220 kV Bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
94124RESERVE NOTICE27/01/2022 10:38:58 PM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 02/02/2022
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 1800 hrs 02/02/2022 to 1900 hrs 02/02/2022.
The forecast capacity reserve requirement is 443 MW.
The minimum capacity reserve available is 420 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 1800 hrs 02/02/2022 to 1900 hrs 02/02/2022.
The forecast capacity reserve requirement is 443 MW.
The minimum capacity reserve available is 420 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
94123POWER SYSTEM EVENTS27/01/2022 09:02:11 PM
Non-credible contingency event - Vic region - 27/01/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Vic region - 27/01/2022
At 2044 hrs the Eildon No. 2 220 kV Bus tripped which off-loaded the Mount Beauty - Eildon No. 1 220 kV Line.
AEMO did not instruct load shedding.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - Vic region - 27/01/2022
At 2044 hrs the Eildon No. 2 220 kV Bus tripped which off-loaded the Mount Beauty - Eildon No. 1 220 kV Line.
AEMO did not instruct load shedding.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
94122RECLASSIFY CONTINGENCY27/01/2022 08:27:25 PM
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.
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: VIC1
Lines: Hazelwood - Rowville No.1 220kV and Hazelwood - Rowville No.2 220kV
Duration: 27/01/2022 20:27 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
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: 27/01/2022 20:27 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
94121RECLASSIFY CONTINGENCY27/01/2022 08:30:38 PM
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.
AEMO ELECTRICITY MARKET NOTICE.
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 to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: Duration: 27/01/2022 2000 hrs 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 severe weather warning.
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: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Duration: Duration: 27/01/2022 2000 hrs until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
94120RESERVE NOTICE27/01/2022 06:34:59 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region beginning on 01/02/2022
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following periods:
[1.] From 1830 hrs 01/02/2022 to 1900 hrs 01/02/2022.
The forecast capacity reserve requirement is 878 MW.
The minimum capacity reserve available is 752 MW.
[2.] From 1630 hrs 02/02/2022 to 1930 hrs 02/02/2022.
The forecast capacity reserve requirement is 878 MW.
The minimum capacity reserve available is 507 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 QLD region for the following periods:
[1.] From 1830 hrs 01/02/2022 to 1900 hrs 01/02/2022.
The forecast capacity reserve requirement is 878 MW.
The minimum capacity reserve available is 752 MW.
[2.] From 1630 hrs 02/02/2022 to 1930 hrs 02/02/2022.
The forecast capacity reserve requirement is 878 MW.
The minimum capacity reserve available is 507 MW.
Manager NEM Real Time Operations