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112074RECLASSIFY CONTINGENCY08/12/2023 10:50:21 AM
Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.
AEMO ELECTRICITY MARKET NOTICE.
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely severe weather in the SA region.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
AEMO has taken the following action to maintain power system security at 1050 hrs 08/12/2023.
Constraint set invoked: I-VS_250
Duration: 1050 hrs 08/12/2023. until further notice
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely severe weather in the SA region.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
AEMO has taken the following action to maintain power system security at 1050 hrs 08/12/2023.
Constraint set invoked: I-VS_250
Duration: 1050 hrs 08/12/2023. until further notice
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
112073PRICES UNCHANGED08/12/2023 10:41:04 AM
[EventId:202312081010_confirmed] Prices for interval 08-Dec-2023 10:10 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:10.
In accordance with Market Notice 112060 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 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:10.
In accordance with Market Notice 112060 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.
112072PRICES UNCHANGED08/12/2023 10:39:47 AM
[EventId:202312081035_confirmed] Prices for interval 08-Dec-2023 10:35 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:35.
In accordance with Market Notice 112067 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 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:35.
In accordance with Market Notice 112067 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.
112071PRICES UNCHANGED08/12/2023 10:38:48 AM
[EventId:202312081030_confirmed] Prices for interval 08-Dec-2023 10:30 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:30.
In accordance with Market Notice 112066 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 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:30.
In accordance with Market Notice 112066 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.
112070PRICES UNCHANGED08/12/2023 10:37:39 AM
[EventId:202312081025_confirmed] Prices for interval 08-Dec-2023 10:25 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:25.
In accordance with Market Notice 112064 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 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:25.
In accordance with Market Notice 112064 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.
112069PRICES UNCHANGED08/12/2023 10:36:38 AM
[EventId:202312081020_confirmed] Prices for interval 08-Dec-2023 10:20 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:20.
In accordance with Market Notice 112062 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 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:20.
In accordance with Market Notice 112062 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.
112068PRICES UNCHANGED08/12/2023 10:35:21 AM
[EventId:202312081015_confirmed] Prices for interval 08-Dec-2023 10:15 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:15.
In accordance with Market Notice 112061 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 1035 hrs on 8 December 2023
PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:15.
In accordance with Market Notice 112061 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.
112065GENERAL NOTICE08/12/2023 10:52:48 AM
NEM Local Temperature Alerts for NSW, SA, VIC from 08 Dec 2023 to 12 Dec 2023
AEMO ELECTRICITY MARKET NOTICE
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
NSW
Yass (39+ Deg C): 9th Dec
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
NSW
Yass (39+ Deg C): 9th Dec
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
112059RECLASSIFY CONTINGENCY08/12/2023 09:52:08 AM
Reclassification of a Non-Credible Contingency Event: Loss of Sheffield 220 kV switchyard (all 220 kV buses) in Tas due to planned work
AEMO ELECTRICITY MARKET NOTICE.
Reclassification of a non-credible contingency event as a credible contingency event due to planned work.
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:TAS
Plant: Sheffield 220 kV switchyard (all 220 kV buses)
Duration: 08/12/2023 : 1000 hrs until further notice
Constraint set(s) invoked: T:SH_220_N-2
Manager NEM Real Time Operations
Reclassification of a non-credible contingency event as a credible contingency event due to planned work.
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:TAS
Plant: Sheffield 220 kV switchyard (all 220 kV buses)
Duration: 08/12/2023 : 1000 hrs until further notice
Constraint set(s) invoked: T:SH_220_N-2
Manager NEM Real Time Operations