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112190RESERVE NOTICE11/12/2023 05:34:25 PM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 14/12/2023
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1530 hrs 14/12/2023 to 1700 hrs 14/12/2023.
The forecast capacity reserve requirement is 1088 MW.
The minimum capacity reserve available is 692 MW.
AEMO is seeking a market response.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1530 hrs 14/12/2023 to 1700 hrs 14/12/2023.
The forecast capacity reserve requirement is 1088 MW.
The minimum capacity reserve available is 692 MW.
AEMO is seeking a market response.
Manager NEM Real Time Operations
112189RECLASSIFY CONTINGENCY11/12/2023 04:58:34 PM
Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 11/12/2023 16:58 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Duration: 11/12/2023 16:58 until further notice
Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Auto-generated on behalf of Manager NEM Real Time Operations
112188INTER-REGIONAL TRANSFER11/12/2023 04:31:45 PM
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
At 1446 hrs 11/12/2023 there was an unplanned outage of Blyth West- Munno Para 275 kV Line.
However, due to the concurrent Non-credible contingency event - SA region - 11/12/2023, refer AEMO Electricity Market Notice 112187, additional inter-regional constraints were not required until the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) invoked at 1610 hrs 11/12/2023
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
At 1446 hrs 11/12/2023 there was an unplanned outage of Blyth West- Munno Para 275 kV Line.
However, due to the concurrent Non-credible contingency event - SA region - 11/12/2023, refer AEMO Electricity Market Notice 112187, additional inter-regional constraints were not required until the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) invoked at 1610 hrs 11/12/2023
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
112187POWER SYSTEM EVENTS11/12/2023 04:04:48 PM
Update - Non-credible contingency event - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112181
At 1554 hrs the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) revoked:
S-X-MNWT+CB
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 - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112181
At 1554 hrs the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) revoked:
S-X-MNWT+CB
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
112184RESERVE NOTICE11/12/2023 03:14:50 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 14/12/2023
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112179 is cancelled at 1400 hrs 11/12/2023.
No LOR2 condition is currently forecast in the STPASA period.
AEMO Operations
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112179 is cancelled at 1400 hrs 11/12/2023.
No LOR2 condition is currently forecast in the STPASA period.
AEMO Operations
112183RESERVE NOTICE11/12/2023 03:13:48 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112160 has been updated at 1400 hrs 11/12/2023 to the following:
From 1530 hrs to 2000 hrs 14/12/2023.
The forecast capacity reserve requirement is 1385 MW.
The minimum capacity reserve available is 700 MW.
AEMO Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112160 has been updated at 1400 hrs 11/12/2023 to the following:
From 1530 hrs to 2000 hrs 14/12/2023.
The forecast capacity reserve requirement is 1385 MW.
The minimum capacity reserve available is 700 MW.
AEMO Operations
112182RESERVE NOTICE11/12/2023 03:12:58 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 14/12/2023
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 period:
From 1700 hrs to 2030 hrs 14/12/2023.
The forecast capacity reserve requirement is 1287 MW.
The minimum capacity reserve available is 1019 MW.
AEMO 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 period:
From 1700 hrs to 2030 hrs 14/12/2023.
The forecast capacity reserve requirement is 1287 MW.
The minimum capacity reserve available is 1019 MW.
AEMO Operations
112181RECLASSIFY CONTINGENCY11/12/2023 02:46:31 PM
Update - Non-credible contingency event - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112170
Region: SA
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.
At 1413 hrs the Clare North - Mintaro 132 kV Line was returned to service (RTS)
The following constraint set(s) invoked:
S-X-MNWT+CB
The following constraint set(s) revoked:
S-BR_MN+MN_WT
This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112170
Region: SA
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.
At 1413 hrs the Clare North - Mintaro 132 kV Line was returned to service (RTS)
The following constraint set(s) invoked:
S-X-MNWT+CB
The following constraint set(s) revoked:
S-BR_MN+MN_WT
This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
112179RESERVE NOTICE11/12/2023 01:37:21 PM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 14/12/2023
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1630 hrs 14/12/2023 to 1800 hrs 14/12/2023.
The forecast capacity reserve requirement is 700 MW.
The minimum capacity reserve available is 655 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.
AEMO Operations
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1630 hrs 14/12/2023 to 1800 hrs 14/12/2023.
The forecast capacity reserve requirement is 700 MW.
The minimum capacity reserve available is 655 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.
AEMO Operations