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90349PRICES SUBJECT TO REVIEW12/09/2021 10:10:19 AM
[EventId:202109121015_review] Prices for interval 12-Sep-2021 10:15 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1010 hrs on 12 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 12-Sep-2021 10:15.
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.
Issued by Australian Energy Market Operator Ltd at 1010 hrs on 12 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 12-Sep-2021 10:15.
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.
90348RECLASSIFY CONTINGENCY12/09/2021 01:49:48 AM
Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: 12/09/2021 01:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 90347
Auto-generated on behalf of Manager NEM Real Time Operations
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: 12/09/2021 01:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 90347
Auto-generated on behalf of Manager NEM Real Time Operations
90347RECLASSIFY CONTINGENCY11/09/2021 11:46:00 PM
Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: 11/09/2021 23:45 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: 11/09/2021 23:45 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
90346RECLASSIFY CONTINGENCY11/09/2021 08:07:51 PM
Cancellation of the Reclassification of a Non-Credible Contingency Event: Loss of any one 220 kV bus at Gordon Substation in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the trip of any one 220 kV bus at Gordon Substation is no longer reasonably possible. There is no longer any lightning activity in the vicinity. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS1
Element: Gordon Substation A or B or C 220 kV bus
Cancellation time: 11/09/2021 20:01
Constraint set(s) revoked: NONE
Refer AEMO Electricity Market Notice 90345
Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the trip of any one 220 kV bus at Gordon Substation is no longer reasonably possible. There is no longer any lightning activity in the vicinity. Accordingly its classification has reverted to a non-credible contingency event.
Region: TAS1
Element: Gordon Substation A or B or C 220 kV bus
Cancellation time: 11/09/2021 20:01
Constraint set(s) revoked: NONE
Refer AEMO Electricity Market Notice 90345
Manager NEM Real Time Operations
90345RECLASSIFY CONTINGENCY11/09/2021 06:11:39 PM
Reclassification of a Non-Credible Contingency Event: Loss of any one 220 kV bus at Gordon Substation in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning.
AEMO considers the trip of any one 220 kV bus at Gordon Substation to now be more likely and reasonably possible. Accordingly, AEMO has reclassified it as a credible contingency event.
Region: TAS1
Element: Gordon Substation A or B or C 220 kV bus
Duration: 11/09/2021 18:00 until further notice
Constraint set(s) invoked: NONE
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning.
AEMO considers the trip of any one 220 kV bus at Gordon Substation to now be more likely and reasonably possible. Accordingly, AEMO has reclassified it as a credible contingency event.
Region: TAS1
Element: Gordon Substation A or B or C 220 kV bus
Duration: 11/09/2021 18:00 until further notice
Constraint set(s) invoked: NONE
Manager NEM Real Time Operations
90341RESERVE NOTICE11/09/2021 02:25:36 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 14/09/2021
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following period:
From 1830 hrs to 1900 hrs 14/09/2021.
The forecast capacity reserve requirement is 741 MW.
The minimum capacity reserve available is 732 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following period:
From 1830 hrs to 1900 hrs 14/09/2021.
The forecast capacity reserve requirement is 741 MW.
The minimum capacity reserve available is 732 MW.
AEMO Operations
90340NON-CONFORMANCE11/09/2021 02:00:25 PM
NON-CONFORMANCE Region VIC1 Saturday, 11 September 2021
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Saturday, 11 September 2021
AEMO declared a schedule generating unit non-conforming
Unit: WINTSF1
Duration: 11/09/2021 13:30 to 11/09/2021 14:00
Amount: 77 MW
Constraint: NC-V_WINTSF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Saturday, 11 September 2021
AEMO declared a schedule generating unit non-conforming
Unit: WINTSF1
Duration: 11/09/2021 13:30 to 11/09/2021 14:00
Amount: 77 MW
Constraint: NC-V_WINTSF1
Auto-generated on behalf of Manager NEM Real Time Operations
90339NON-CONFORMANCE11/09/2021 12:45:23 PM
NON-CONFORMANCE Region VIC1 Saturday, 11 September 2021
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Saturday, 11 September 2021
AEMO declared a schedule generating unit non-conforming
Unit: GLRWNSF1
Duration: 11/09/2021 10:25 to 11/09/2021 12:45
Amount: 57 MW
Constraint: NC-V_GLRWNSF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Saturday, 11 September 2021
AEMO declared a schedule generating unit non-conforming
Unit: GLRWNSF1
Duration: 11/09/2021 10:25 to 11/09/2021 12:45
Amount: 57 MW
Constraint: NC-V_GLRWNSF1
Auto-generated on behalf of Manager NEM Real Time Operations
90338PRICES UNCHANGED11/09/2021 11:09:49 AM
[EventId:202109111045_confirmed] Prices for interval 11-Sep-2021 10:45 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1105 hrs on 11 September 2021
PRICES ARE NOW CONFIRMED for dispatch interval 11-Sep-2021 10:45.
In accordance with Market Notice 90328 AEMO has reviewed this dispatch 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 1105 hrs on 11 September 2021
PRICES ARE NOW CONFIRMED for dispatch interval 11-Sep-2021 10:45.
In accordance with Market Notice 90328 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.