Filter by category
Filter by Date
Cancellation of the reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 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: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 11/12/2023 22:30
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 112156
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV line in NSW1 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: NSW1
Lines: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV
Cancellation time: 11/12/2023 17:59
Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1
Refer AEMO Electricity Market Notice 112189
Auto-generated on behalf of Manager NEM Real Time Operations
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.
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
CHG0082301 | Production | Planned System Maintenance - Electricity MMS Production Bay transfer
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Planned System Maintenance - Electricity MMS Production Bay transfer
Change Start Date & Time: 11/12/2023 13:00:00 AEST
Change End Date & Time: 13/12/2023 16:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The maintenance activity is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600 .
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any
planned/unplanned maintenance activities .
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023
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
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 14/12/2023
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
Update - Non-credible contingency event - SA region - 11/12/2023
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
NON-CONFORMANCE Region QLD1 Monday, 11 December 2023
NON-CONFORMANCE QLD1 Region Monday, 11 December 2023
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GSTONE5
Duration: 11/12/2023 10:30 to 11/12/2023 10:35
Amount: 15 MW
Constraint: NC-Q_GSTONE5
Auto-generated on behalf of Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 11/12/2023
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112165
Region: SA
The following constraint set(s) invoked:
Initially S-MNWT and S-MN_0 then replaced with 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