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Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Refer to AEMO Electricity Market Notice no. 53562
There is no longer any Lightning activity in the vicinity of the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0345 hrs 30/05/2016.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 0120 hrs 30/05/2016 until further notice.
Manager NEM Real Time Operations
Cancellation Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Cancellation of Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Refer AEMO Electricity Market Notice 53557
Constraint Set I-TE_ZERO to be revoked.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits to be a credible contingency event from 1315 hrs 29 May 2016
Manager NEM Real Time Operations
Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
A Bushfire exists in the vicinity of the Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
AEMO has reclassified the simultaneous trip of those circuits to be a credible contingency event from 1015 hrs 29 May 2016 until further notice.
Constraint Set I-TE_ZERO invoked.
Manager NEM Real Time Operations
Lan-2-Lan VPN service restored to internet access point within AEMO QLD Datacenter
Impacts:
Participants connected to the AEMO QLD datacentre internet access point may have experienced issues as a result of the outage.
This issue has been resolved and the service is now available for use.
User Requirements:
Participants are reminded that service is restored to the QLD datacentre.
Both NSW and QLD datacentres are available for use and Participants can remain connected to their current internet access point.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Enterprise Technology Services
Lan-2-Lan VPN service outage to internet access point within AEMO QLD Datacenter
Impacts:
Lan-2-Lan VPN Participants
Participants whom have established their VPN connection/s via the AEMO QLD datacenter termination point (202.44.76.10) will be unable to establish a connection.
Remote Access VPN Participants
Participants whom have established their Remote Access VPN connection/s established via the AEMO QLD datacenter termination point (202.44.76.8) will be unable to establish a connection.
User Requirements:
Lan-2-Lan VPN participants are encouraged to failover their VPN connections to the alternate AEMO NSW datacenter termination point (202.44.78.10).
Remote Access VPN Participants are encouraged to ensure they are connecting via the AEMO NSW datacenter VPN endpoint (202.44.78.8).
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Enterprise Technology Services
Planned System Maintenance (Site Transfer) on Market Settlement and Transfer Solutions (MSATS) Completed
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/ Component: Market Settlements & Transfer System
Change Title: Planned System Maintenance (Site Transfer) on Market Settlement and Transfer Solutions (MSATS)
Change Description:
Transfer completed successfully
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Planned System Change - EMMS Pre-Production: Generator Ramp Rate Rule Change
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Planned System Change - EMMS Pre-Production: Generator Ramp Rate Rule Change
Change Start Date & Time: 30/05/2016 10:00:00 AEST
Change End Date & Time: 30/05/2016 12:00:00 AEST
Change Description:
This change is to support the new generator ramp rate rules starting on 1st July 2016.
As part of this change AEMO will publish data informing Participants of their Minimum Ramp Rates including Generator DUID and individual unit max capacities. (Refer to the AEMO Tech Spec 931 issued 18th March 2016 for more information.)
The new minimum Ramp Rates will become effective and be used in validation from trading day 08/06/16 in Pre-Production and from 01/07/16 in Production.
Environment: Pre-Production
Participant Impact and Requirements:
This rule change results in some DUIDs having a changed Minimum Ramp Rate used in offer validation. AEMO encourages participants to validate their own offering systems in Pre-Production before the Production implementation date.
AEMO reminds participants to ensure that any previously accepted offers are revised for compliance with the new Minimum Ramp Rate. AEMO will contact Participants if they are potentially in breach of the Minimum Ramp Rate rule requirements before the rule becomes effective.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Planned System Outage - Gas Supply Hub - Moomba Trading Locations Update in Production
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Supply Hub
Change Title: Planned System Outage - Gas Supply Hub - Moomba Trading Locations Update in Production
Change Start Date & Time: 31/05/2016 19:00:00 AEST
Change End Date & Time: 31/05/2016 22:00:00 AEST
Outage Start Date & Time: 31/05/2016 19:00:00 AEST
Outage End Date & Time: 31/05/2016 22:00:00 AEST
Change Description:
This change is implemented for Gas Supply Hub Moomba project to update 2 new trading locations and to add a Spread product between Moomba and Wallumbilla to facilitate trading between the two markets.
Environment: Production
Participant Impact and Requirements:
Awareness of this outage. Outage is expected and access will be restricted during the times mentioned in the outage section.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.