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121008POWER SYSTEM EVENTS26/11/2024 04:55:00 PM
Non-credible contingency event - NSW region - 26/11/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 26/11/2024
At 1637 hrs Uranquinty Unit 12 tripped and at 1639 hrs Uranquinty Units 11 and 13 tripped.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 26/11/2024
At 1637 hrs Uranquinty Unit 12 tripped and at 1639 hrs Uranquinty Units 11 and 13 tripped.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
120943MARKET SYSTEMS25/11/2024 05:22:50 PM
INC0138597 - RESOLVED - EMMS
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - SERVICE RESTORED
The Electricity Market Management System service has been restored.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
SERVICE INTERRUPTION - SERVICE RESTORED
The Electricity Market Management System service has been restored.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
120926MARKET SYSTEMS25/11/2024 03:12:58 PM
INC0138597 - ALERT - EMMS
SERVICE INTERRUPTION - ALERT
AEMO is experiencing a service interruption relating to the Electricity Market Management System service.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
AEMO is experiencing a service interruption relating to the Electricity Market Management System service.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
120678MARKET SYSTEMS19/11/2024 03:35:12 PM
INC0138395 - P1 - Electricity Market Management System service- RESOLVED
AEMO ELECTRICITY MARKET NOTICE
This incident has been uplifted to a P1.
The service interruption relating to the Electricity Market Management System service has been resolved.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
This incident has been uplifted to a P1.
The service interruption relating to the Electricity Market Management System service has been resolved.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
120661MARKET SYSTEMS19/11/2024 02:29:10 PM
INC0138395 - Electricity Market Management System service- RESOLVED
AEMO ELECTRICITY MARKET NOTICE
The service interruption relating to the Electricity Market Management System service has been resolved.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
The service interruption relating to the Electricity Market Management System service has been resolved.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
120306POWER SYSTEM EVENTS12/11/2024 11:43:52 AM
Update - Non-credible contingency event - VIC region - 12/11/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - VIC region - 12/11/2024
Refer AEMO Electricity Market Notice 120305
At 1135 hrs the Yallourn No 1 220 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 - 12/11/2024
Refer AEMO Electricity Market Notice 120305
At 1135 hrs the Yallourn No 1 220 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
120305POWER SYSTEM EVENTS12/11/2024 10:55:18 AM
Non-credible contingency event - VIC region - 12/11/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - VIC region - 12/11/2024
At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
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 - 12/11/2024
At 1041 hrs the Yallourn No 1 220 kV bus and Yallourn Unit 4 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
120099MINIMUM SYSTEM LOAD07/11/2024 03:11:35 PM
Cancellation - Forecast Minimum System Load 1 (MSL1) condition in the VIC Region on 10/11/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Forecast MSL1 - VIC Region at 1400 hrs 07/11/2024.
Refer to Market Notice 119996 for Forecast MSL1.
AEMO Operations
Cancellation - Forecast MSL1 - VIC Region at 1400 hrs 07/11/2024.
Refer to Market Notice 119996 for Forecast MSL1.
AEMO Operations
119996MINIMUM SYSTEM LOAD06/11/2024 03:44:08 PM
Forecast Minimum System Load 1 (MSL1) condition in the VIC region on 10/11/2024
AEMO ELECTRICITY MARKET NOTICE
Update to Market Notice 119920 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 10/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1745 MW
o MSL2 - 1245 MW
o MSL3 - 745 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1230 hrs to 1330 hrs 10/11/2024. Minimum regional demand is forecast to be 1719 MW at 1300 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations
Update to Market Notice 119920 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 10/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1745 MW
o MSL2 - 1245 MW
o MSL3 - 745 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1230 hrs to 1330 hrs 10/11/2024. Minimum regional demand is forecast to be 1719 MW at 1300 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations