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89177PRICES SUBJECT TO REVIEW02/08/2021 07:05:18 AM
[EventId:202108020710_review] Prices for interval 02-Aug-2021 07:10 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0705 hrs on 2 August 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 02-Aug-2021 07:10.
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 0705 hrs on 2 August 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 02-Aug-2021 07:10.
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.
89176PRICES SUBJECT TO REVIEW02/08/2021 07:00:16 AM
[EventId:202108020705_review] Prices for interval 02-Aug-2021 07:05 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0700 hrs on 2 August 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 02-Aug-2021 07:05.
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 0700 hrs on 2 August 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 02-Aug-2021 07:05.
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.
89175MARKET INTERVENTION01/08/2021 04:06:32 PM
Direction - SA region 01/08/2021
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 01/08/2021
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all dispatch intervals during the event to be intervention dispatch intervals, commencing from the interval ending 1605 hrs on 01/08/2021.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 01/08/2021
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all dispatch intervals during the event to be intervention dispatch intervals, commencing from the interval ending 1605 hrs on 01/08/2021.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
89171MARKET INTERVENTION01/08/2021 02:42:20 PM
Update - Possible intervention to manage power system security in South Australia (SA) Region
AEMO ELECTRICITY MARKET NOTICE
Update - Possible intervention to manage power system security in South Australia (SA) Region
Refer AEMO Electricity Market Notice 89167
The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 02/08/2021 to 0400 hrs 02/08/2021 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 01/08/2021, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Update - Possible intervention to manage power system security in South Australia (SA) Region
Refer AEMO Electricity Market Notice 89167
The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 02/08/2021 to 0400 hrs 02/08/2021 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 01/08/2021, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
89170MARKET INTERVENTION01/08/2021 07:00:22 PM
Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 31/07/2021
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 31/07/2021
Refer Market Notice 89152
The AEMO Intervention Event and all associated directions are cancelled from 1900 hrs 01/08/2021
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 31/07/2021
Refer Market Notice 89152
The AEMO Intervention Event and all associated directions are cancelled from 1900 hrs 01/08/2021
Manager NEM Real Time Operations
89167MARKET INTERVENTION01/08/2021 12:56:30 PM
Possible intervention to manage power system security in South Australia (SA) Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0130 hrs 02/08/2021 to 0400 hrs 03/08/2021 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0130 hrs 02/08/2021 to 0400 hrs 03/08/2021 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
89166NON-CONFORMANCE01/08/2021 12:15:19 PM
NON-CONFORMANCE Region NSW1 Sunday, 1 August 2021
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Sunday, 1 August 2021
AEMO declared a schedule generating unit non-conforming
Unit: ER02
Duration: 01/08/2021 12:05 to 01/08/2021 12:15
Amount: 22 MW
Constraint: NC-N_ER02
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Sunday, 1 August 2021
AEMO declared a schedule generating unit non-conforming
Unit: ER02
Duration: 01/08/2021 12:05 to 01/08/2021 12:15
Amount: 22 MW
Constraint: NC-N_ER02
Auto-generated on behalf of Manager NEM Real Time Operations
89165NON-CONFORMANCE01/08/2021 08:30:19 AM
NON-CONFORMANCE Region VIC1 Sunday, 1 August 2021
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Sunday, 1 August 2021
AEMO declared a schedule generating unit non-conforming
Unit: STOCKYD1
Duration: 01/08/2021 08:10 to 01/08/2021 08:30
Amount: 14 MW
Constraint: NC-V_STOCKYD1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Sunday, 1 August 2021
AEMO declared a schedule generating unit non-conforming
Unit: STOCKYD1
Duration: 01/08/2021 08:10 to 01/08/2021 08:30
Amount: 14 MW
Constraint: NC-V_STOCKYD1
Auto-generated on behalf of Manager NEM Real Time Operations
89164RECLASSIFY CONTINGENCY01/08/2021 06:34:35 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: 01/08/2021 06:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 89163
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: 01/08/2021 06:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 89163
Auto-generated on behalf of Manager NEM Real Time Operations