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103279POWER SYSTEM EVENTS16/11/2022 11:45:35 AM
Non-credible contingency event - Vic region - 16/11/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - Vic region - 16/11/2022
At 1049 hrs the Newport - Brooklyn 220 kV Line tripped at Newport and Newport No1 220 kV Bus 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 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.
At 1109 hrs Line and Bus restored
Manager NEM Real Time Operations
Non-credible contingency event - Vic region - 16/11/2022
At 1049 hrs the Newport - Brooklyn 220 kV Line tripped at Newport and Newport No1 220 kV Bus 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 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.
At 1109 hrs Line and Bus restored
Manager NEM Real Time Operations
103266ADMINISTERED PRICE CAP16/11/2022 03:55:10 AM
[EventId:187] AP STARTED for market ancillary services in SA1 at 16 November 2022 0355
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 16 November 2022
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped market ancillary Lower Reg, Raise Reg services prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,398,100.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 0405 on 16 November 2022 and will continue through to the end of that trading day.
An administered price cap (APC) of 300 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to all market ancillary service prices in the SA1 region.
AEMO will continue to monitor the rolling sum of the uncapped market ancillary service prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 16 November 2022
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped market ancillary Lower Reg, Raise Reg services prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,398,100.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 0405 on 16 November 2022 and will continue through to the end of that trading day.
An administered price cap (APC) of 300 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to all market ancillary service prices in the SA1 region.
AEMO will continue to monitor the rolling sum of the uncapped market ancillary service prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
103265ADMINISTERED PRICE CAP16/11/2022 03:55:00 AM
[EventId:186] AP ENDED for market ancillary services in SA1 at 16 November 2022 03:55
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 15 November 2022
ADMINISTERED PRICE PERIOD ENDS in SA1 region.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO is notifying market participants that the administered price period declared for the SA1 region in market notice 103181 will end at 0400 hrs on 16 November 2022.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 15 November 2022
ADMINISTERED PRICE PERIOD ENDS in SA1 region.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO is notifying market participants that the administered price period declared for the SA1 region in market notice 103181 will end at 0400 hrs on 16 November 2022.
This is an AEMO autogenerated Market Notice.
103181ADMINISTERED PRICE CAP15/11/2022 03:55:10 AM
[EventId:186] AP STARTED for market ancillary services in SA1 at 15 November 2022 0355
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 15 November 2022
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped market ancillary Lower Reg services prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,398,100.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 0405 on 15 November 2022 and will continue through to the end of that trading day.
An administered price cap (APC) of 300 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to all market ancillary service prices in the SA1 region.
AEMO will continue to monitor the rolling sum of the uncapped market ancillary service prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 15 November 2022
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped market ancillary Lower Reg services prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,398,100.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 0405 on 15 November 2022 and will continue through to the end of that trading day.
An administered price cap (APC) of 300 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to all market ancillary service prices in the SA1 region.
AEMO will continue to monitor the rolling sum of the uncapped market ancillary service prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
103180ADMINISTERED PRICE CAP15/11/2022 03:55:00 AM
[EventId:185] AP ENDED for market ancillary services in SA1 at 15 November 2022 03:55
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 14 November 2022
ADMINISTERED PRICE PERIOD ENDS in SA1 region.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO is notifying market participants that the administered price period declared for the SA1 region in market notice 103165 will end at 0400 hrs on 15 November 2022.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0355 hrs on 14 November 2022
ADMINISTERED PRICE PERIOD ENDS in SA1 region.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO is notifying market participants that the administered price period declared for the SA1 region in market notice 103165 will end at 0400 hrs on 15 November 2022.
This is an AEMO autogenerated Market Notice.
103165ADMINISTERED PRICE CAP14/11/2022 12:50:15 PM
[EventId:185] AP STARTED for market ancillary services in SA1 at 14 November 2022 1250
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1250 hrs on 14 November 2022
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped market ancillary Lower Reg services prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,398,100.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 1300 on 14 November 2022 and will continue through to the end of that trading day.
An administered price cap (APC) of 300 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to all market ancillary service prices in the SA1 region.
AEMO will continue to monitor the rolling sum of the uncapped market ancillary service prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1250 hrs on 14 November 2022
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped market ancillary Lower Reg services prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,398,100.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 1300 on 14 November 2022 and will continue through to the end of that trading day.
An administered price cap (APC) of 300 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to all market ancillary service prices in the SA1 region.
AEMO will continue to monitor the rolling sum of the uncapped market ancillary service prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
103067POWER SYSTEM EVENTS12/11/2022 09:07:37 PM
Update - Significant power system event - 12/11/2022
AEMO ELECTRICITY MARKET NOTICE.
Update - Significant power system event - 12/11/2022
Refer AEMO Electricity Notice 103064
At 1639 hrs 12/11/2022 a significant power system event occurred.
Description of event - Multiple tripping of transmission lines
Transmission element(s) tripped - Tailem Bend - South East 275 kV No 1 and 2 Lines
Region - SA
Identified islands formed as a result of this contingency event - SA and Eastern NEM
AEMO has been advised that the Tailem Bend - South East No 1 and 2 Lines will remain out of service until 1700 hrs 18/11/2022.
Refer to AEMO Network Outage Schedule for further information.
Manager NEM Real Time Operations
Update - Significant power system event - 12/11/2022
Refer AEMO Electricity Notice 103064
At 1639 hrs 12/11/2022 a significant power system event occurred.
Description of event - Multiple tripping of transmission lines
Transmission element(s) tripped - Tailem Bend - South East 275 kV No 1 and 2 Lines
Region - SA
Identified islands formed as a result of this contingency event - SA and Eastern NEM
AEMO has been advised that the Tailem Bend - South East No 1 and 2 Lines will remain out of service until 1700 hrs 18/11/2022.
Refer to AEMO Network Outage Schedule for further information.
Manager NEM Real Time Operations
103066POWER SYSTEM EVENTS12/11/2022 05:39:36 PM
Non-credible contingency event - SA region - 12/11/2022
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 12/11/2022
Refer AEMO ELECTRICITY MARKET NOTICE 103064.
At 1639 hrs the Tailem Bend - South East 275 kV #1 and #2 Lines 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 - SA region - 12/11/2022
Refer AEMO ELECTRICITY MARKET NOTICE 103064.
At 1639 hrs the Tailem Bend - South East 275 kV #1 and #2 Lines 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
103064POWER SYSTEM EVENTS12/11/2022 04:59:34 PM
Significant power system event - 12/11/2022
AEMO ELECTRICITY MARKET NOTICE.
Significant power system event - 12/11/2022
At 1639 hrs 12/11/2022 a significant power system event occurred.
Description of event - Multiple tripping of transmission lines
Transmission element(s) tripped - Tailem Bend - South East 275 kV #1 & #2 Lines
Region - SA
Identified islands formed as a result of this contingency event - SA and Eastern NEM
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Significant power system event - 12/11/2022
At 1639 hrs 12/11/2022 a significant power system event occurred.
Description of event - Multiple tripping of transmission lines
Transmission element(s) tripped - Tailem Bend - South East 275 kV #1 & #2 Lines
Region - SA
Identified islands formed as a result of this contingency event - SA and Eastern NEM
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations