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112247POWER SYSTEM EVENTS13/12/2023 01:43:17 PM
Non-credible contingency event - TAS region - 13/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 13/12/2023
At 1324 hrs the Hadspen - Palmerston No.3 & No.4 110 kV 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 - TAS region - 13/12/2023
At 1324 hrs the Hadspen - Palmerston No.3 & No.4 110 kV 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
112233PRICES UNCHANGED13/12/2023 10:36:16 AM
[EventId:202312131005_confirmed] Prices for interval 13-Dec-2023 10:05 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:05.
In accordance with Market Notice 112221 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:05.
In accordance with Market Notice 112221 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
112232PRICES UNCHANGED13/12/2023 10:35:02 AM
[EventId:202312131030_confirmed] Prices for interval 13-Dec-2023 10:30 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:30.
In accordance with Market Notice 112227 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:30.
In accordance with Market Notice 112227 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
112231PRICES UNCHANGED13/12/2023 10:33:57 AM
[EventId:202312131025_confirmed] Prices for interval 13-Dec-2023 10:25 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:25.
In accordance with Market Notice 112226 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:25.
In accordance with Market Notice 112226 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
112230PRICES UNCHANGED13/12/2023 10:32:43 AM
[EventId:202312131020_confirmed] Prices for interval 13-Dec-2023 10:20 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:20.
In accordance with Market Notice 112225 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:20.
In accordance with Market Notice 112225 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
112229PRICES UNCHANGED13/12/2023 10:31:34 AM
[EventId:202312131015_confirmed] Prices for interval 13-Dec-2023 10:15 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:15.
In accordance with Market Notice 112224 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:15.
In accordance with Market Notice 112224 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
112228PRICES UNCHANGED13/12/2023 10:30:13 AM
[EventId:202312131010_confirmed] Prices for interval 13-Dec-2023 10:10 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:10.
In accordance with Market Notice 112222 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 December 2023
PRICES ARE NOW CONFIRMED for trading interval 13-Dec-2023 10:10.
In accordance with Market Notice 112222 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
112196MARKET SYSTEMS12/12/2023 07:05:08 AM
CHG0082097 | Production | P3062 Manifestly Incorrect Inputs (MII)? Production Release
Change Number: CHG0082097
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: P3062 Manifestly Incorrect Inputs (MII) Production Release
Change Start Date & Time: 12/12/2023 08:00:00 AEST
Change End Date & Time: 13/12/2023 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Under this change , AEMO will install an updated version of a key Dispatch application (NEMDE Solutionloader) used in Production for Dispatch, 5-Minute Pre-dispatch, Pre-dispatch, and 7-Day Pre-dispatch.
Changes include:
o Extension of Automated MII Procedures to include detection of FCAS MIIs using an FCAS requirement threshold.
No outages or delays expected. AEMO will advise once complete.
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 .
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: P3062 Manifestly Incorrect Inputs (MII) Production Release
Change Start Date & Time: 12/12/2023 08:00:00 AEST
Change End Date & Time: 13/12/2023 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Under this change , AEMO will install an updated version of a key Dispatch application (NEMDE Solutionloader) used in Production for Dispatch, 5-Minute Pre-dispatch, Pre-dispatch, and 7-Day Pre-dispatch.
Changes include:
o Extension of Automated MII Procedures to include detection of FCAS MIIs using an FCAS requirement threshold.
No outages or delays expected. AEMO will advise once complete.
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 .
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