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[EventId:202109101630_review] Prices for interval 10-Sep-2021 16:30 are subject to review
Issued by Australian Energy Market Operator Ltd at 1625 hrs on 10 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 10-Sep-2021 16:30.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
[EventId:202109101625_review] Prices for interval 10-Sep-2021 16:25 are subject to review
Issued by Australian Energy Market Operator Ltd at 1620 hrs on 10 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 10-Sep-2021 16:25.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
[EventId:202109101620_review] Prices for interval 10-Sep-2021 16:20 are subject to review
Issued by Australian Energy Market Operator Ltd at 1615 hrs on 10 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 10-Sep-2021 16:20.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
[EventId:202109101615_review] Prices for interval 10-Sep-2021 16:15 are subject to review
Issued by Australian Energy Market Operator Ltd at 1610 hrs on 10 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 10-Sep-2021 16:15.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region beginning on 14/09/2021
The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 90297 is cancelled at 1400 hrs 10/09/2021.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 09/09/2021 22:54
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 90308
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 09/09/2021 21:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Update - Non-credible contingency event - Tas region - 09/09/2021
Update - Non-credible contingency event - Tas region - 09/09/2021
Refer AEMO ELECTRICITY MARKET NOTICE MN 90306
At 1846 hrs the Gordon Power Station the 'B' 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
Non-credible contingency event - Tas region - 09/09/2021
Non-credible contingency event - Tas region - 09/09/2021
At 1738 hrs at Gordon Power Station the 'B' 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 is not known at this stage.
Manager NEM Real Time Operations