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[EventId:202106041710_review] Prices for interval 04-Jun-2021 17:10 are subject to review
Issued by Australian Energy Market Operator Ltd at 1705 hrs on 4 June 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 04-Jun-2021 17:10.
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.
CHG0064836 - 5MS 5th Retail Pre-Prod Release
Change Number: CHG0064836
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: 5MS 5th Retail Pre-Prod Release
Change Start Date & Time: 09/06/2021 15:00:00 AEST
Change End Date & Time: 09/06/2021 22:00:00 AEST
Outage Start Date & Time: 09/06/2021 15:15:00 AEST
Outage End Date & Time: 09/06/2021 18:00:00 AEST
Change Description:
This outage is to allow the deployment of the next version of 5MS Retail EMDM solution to Pre-Production. MSATS will be unavailable during this outage period.
Environment: Pre-Production
Participant Impact and Requirements:
There will be no access to the Pre-Production MSATS system for the duration of the outage. Please access outside these hours.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0064836 - 5MS 5th Retail Pre-Prod Release
Change Number: CHG0064836
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: 5MS 5th Retail Pre-Prod Release
Change Start Date & Time: 09/06/2021 15:00:00 AEST
Change End Date & Time: 09/06/2021 22:00:00 AEST
Outage Start Date & Time: 09/06/2021 15:15:00 AEST
Outage End Date & Time: 09/06/2021 06:00:00 AEST
Change Description:
This outage is to allow the deployment of the next version of 5MS Retail EMDM solution to Pre-Production. MSATS will be unavailable during this outage period.
Environment: Pre-Production
Participant Impact and Requirements:
There will be no access to the Pre-Production MSATS system for the duration of the outage. Please access outside these hours.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
[EventId:202106041645_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 04 June 2021 16:45
Issued by Australian Energy Market Operator Ltd at 1645 hrs on 4 June 2021
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 4 June 2021.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the QLD to NSW directional interconnector.
The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1645 hrs on 4 June 2021.
This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Possible intervention to manage power system security in South Australia (SA) Region
Possible intervention to manage power system security in South Australia (SA) Region
The combination of synchronous generating units currently expected to be synchronised in SA from 0030 hrs 06/06/2021 in Pre-dispatch will not provide sufficient system strength in SA to maintain the power system in a secure operating state.
In the absence of sufficient market response AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised from 0030 hrs 06/06/2021 to maintain power system security in SA. Refer to current Transfer Limit Advice for SA system strength on the AEMO website.
If necessary, AEMO will estimate and publish the latest time at which AEMO would need to intervene after the 1230 hrs Pre-dispatch run on 05/06/2021.
Manager NEM Real Time Operations
Direction - SA region 04/06/2021
Direction - SA region 04/06/2021
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 1805 hrs on 04/06/2021.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Update - Daily planned outage of Heywood No.1 500kV Busbar in Victoria region on 8th and 9th June 2021
Ref to MN 86345
The Heywood No.1 500kV busbar in Victoria Region was planned out of service on the following days.
-08/06/2021 on 0700hrs to 1900hrs
-09/06/2021 on 0700hrs to 1900hrs
Completion time of the outage has now changed as follows.
-08/06/2021 on 0700hrs to 1700hrs
-09/06/2021 on 0700hrs to 1700hrs
Rest of the content in MN 86345 remains unchanged.
AEMO Operations
Possible intervention to manage power system security in South Australia (SA) Region
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units expected to be synchronised in SA from 0930 hrs 05/06/2021 to 1500 hrs 05/06/2021 in Pre-dispatch published at 1430 hrs 04/06/2021 are inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO currently estimates that, in the absence of sufficient market response by 1800 hrs 04/06/2021, 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
[EventId:202106040800_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 04 June 2021 08:00
Issued by Australian Energy Market Operator Ltd at 0800 hrs on 4 June 2021
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 4 June 2021.
Refer to market notice: 86590
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.
The negative residue constraint NRM_QLD1_NSW1 ceased operating at 0800 hrs on 4 June 2021.
This is an AEMO autogenerated Market Notice.