Filter by category
Filter by Date
[EventId:202109121020_review] Prices for interval 12-Sep-2021 10:20 are subject to review
Issued by Australian Energy Market Operator Ltd at 1015 hrs on 12 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 12-Sep-2021 10:20.
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:202109121015_review] Prices for interval 12-Sep-2021 10:15 are subject to review
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.
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: 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
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: 11/09/2021 23:45 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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.
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
Reclassification of a Non-Credible Contingency Event: Loss of any one 220 kV bus at Gordon Substation in TAS1 due to Lightning.
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
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 14/09/2021
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
NON-CONFORMANCE Region VIC1 Saturday, 11 September 2021
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 Region VIC1 Saturday, 11 September 2021
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