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[EventId:202208021845_review] Prices for interval 02-Aug-2022 18:45 are subject to review
Issued by Australian Energy Market Operator Ltd at 1840 hrs on 2 August 2022
PRICES ARE SUBJECT TO REVIEW for trading interval 02-Aug-2022 18:45.
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.
Non-credible contingency event more likely to occur due to existence of abnormal condition/s - SA region.
AEMO has identified that a non-credible contingency event is more likely to occur because of the existence of abnormal conditions namely severe weather and damaging winds in the SA region.
As at the time of this notice the criteria for reclassification of any non-credible contingency event have been met and there is a possibility of severe weather impacting multiple transmission elements in its vicinity.
Conditions can change rapidly and potentially impacted plant may change. Further notices will only be published to advise of any reclassification, or when the abnormal conditions have ceased to impact the likelihood of a non-credible event occurring.
Constraint set I-VS_250 invoked at 1820 hrs 02/08/2022 until further notice.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 01/08/2022
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 100686 is cancelled at 1730 hrs 02/08/2022.
Manager NEM Real Time Operations
Cancellation : Non-credible contingency event more likely to occur due to existence of abnormal condition/s - SA region.
Abnormal conditions advised in AEMO Electricity Market Notice 100681 have ceased to impact the likelihood of a non-credible event occurring as at 1710 hrs 02/08/2022
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 02/08/2022
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 100667 has been updated at 1645 hrs 02/08/2022 to the following:
From 1700 hrs 02/08/2022 to 1900 hrs 02/08/2022.
The forecast capacity reserve requirement is 1060 MW.
The minimum capacity reserve available is 764 MW.
Manager NEM Real Time Operations
Update - Direction - SA Region - 29/07/2022
Update - Direction - SA Region - 29/07/2022
Refer Market Notice 100657
The AEMO intervention event that commenced from interval ending 1505 hrs on 01/08/2022 is continuing.
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.
Manager NEM Real Time Operations
CHG0074595 | Production | NEMDE Solver Upgrade
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: NEMDE Solver Upgrade
Change Start Date & Time: 10/08/2022 09:00:00 AEST
Change End Date & Time: 10/08/2022 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: AEMO will upgrade the NEMDE solver used in Production for Dispatch, 5-minute Predispatch and Predispatch to a new version. The change is to address an internal resource allocation issue within the software and there should be no external visibility of this upgrade. There are no changes to the NEMDE Formulation. The software upgrade requires no outage.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any
planned/unplanned maintenance activities .
Non-credible contingency event more likely to occur due to existence of abnormal condition/s - SA region.
AEMO has identified that a non-credible contingency event is more likely to occur because of the existence of abnormal conditions namely severe weather and damaging winds in the SA region.
As at the time of this notice the criteria for reclassification of any non-credible contingency event have been met and there is a possibility of severe weather impacting multiple transmission elements in its vicinity.
Conditions can change rapidly and potentially impacted plant may change. Further notices will only be published to advise of any reclassification, or when the abnormal conditions have ceased to impact the likelihood of a non-credible event occurring.
Constraint set I-VS_250 invoked at 1410 hrs 02/08/2022 until further notice.
Manager NEM Real Time Operations
CHG0074580 | Completed | Production | Planned Maintenance Affecting the AEMO MarketNet IPWAN Access.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Market VPN
Change Title: Planned Maintenance Affecting the AEMO MarketNet IPWAN Access.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.