Market Notices

Change Number: CHG0039699


Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Wide Area Network

Change Title: Planned System Outage - QLD Internet link maintenance

Change Start Date & Time: 01/07/2016 10:00:00 AEST

Change End Date & Time: 01/07/2016 11:00:00 AEST


Outage Start Date & Time: 01/07/2016 10:00:00 AEST


Outage End Date & Time: 01/07/2016 11:00:00 AEST


Change Description:

The AEMO QLD data center internet telecommunications service will experience an outage as part of an upgraded to this service.

Environment: Production

Participant Impact and Requirements:

The following impacts are expected to participant connectivity during this planned outage:

IPWAN Participants - IPWAN Participants - Nil

Lan-2-Lan VPN Participants - Upto 1 x 10 minutes to participants whom have established their VPN connection/s via the AEMO QLD datacenter termination point (202.44.76.10)
Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO NSW datacenter termination point (202.44.78.10) prior to this scheduled outage.

Remote Access VPN Participants - Upto 1 x 10 minutes to participants who utilise an AEMO RSA token and the AEMO VPN client software to establish their VPN via the AEMO QLD datacenter VPN termination point (202.44.76.8)
Note: Participants are encouraged to establish their VPN client software connections via the alternate AEMO NSW datacenter VPN endpoint (2

RFC Number: CHG0039748

Notification issued to: Market Notice

Notification Type: Initial

Service/ Component: Market Settlement and Transfer Solutions (MSATS)

Change Title: Plannned System Maintenance on Market Settlement and Transfer Solutions (MSATS)

Change Start Date & Time: 06/07/2016 17:30:00 AEST
Change End Date & Time: 06/07/2016 19:30:00 AEST


Outage Start Date & Time: 06/07/2016 17:30:00 AEST

Outage End Date & Time: 06/07/2016 19:30:00 AEST


Change Description:

Electricity MSATS Production Site Transfer (NSW to QLD Site) will be carried out to allow maintenance work on the alternate site.

Environment: Production

Participant Impact and Requirements:

Awareness of this outage. Access to all parts of the MSATS system may be interrupted during the outage period. Access should be attempted outside these times.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
*Change times specified are in AEST

Change Number: CHG0039599


Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Market Settlements & Transfer System

Change Title: Planned System Change - MSATS Production Mid-Year 2016 - Release 46.85

Change Start Date & Time: 29/06/2016 17:30:00 AEST

Change End Date & Time: 29/06/2016 19:30:00 AEST


Outage Start Date & Time: 29/06/2016 17:30:00 AEST


Outage End Date & Time: 29/06/2016 19:30:00 AEST


Change Description:

The MSATS Production system will be upgraded with the release 46.85 as per the change notice 930 issued on 16th March 2016.

Note: There are no schema changes associated with this release.

Environment: Production

Participant Impact and Requirements:

Awareness of this Outage. MSATS Production environment will be unavailable during the outage times mentioned above.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0039597


Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Market Settlements & Transfer System

Change Title: Planned System Maintenance on MSATS Preproduction

Change Start Date & Time: 24/06/2016 09:00:00 AEST

Change End Date & Time: 24/06/2016 14:00:00 AEST


Outage Start Date & Time: 24/06/2016 10:00:00 AEST


Outage End Date & Time: 24/06/2016 13:00:00 AEST


Change Description:

Maintenance is performed periodically on Preproduction Market Settlement and Transfer Solutions (MSATS) to increase reliability, stability and security.

Environment: Pre-Production

Participant Impact and Requirements:

No action. Access to all parts of the pre-production Electricity MSATS system will not be available during the outage period. Access should be attempted outside these times.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0039596

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: Planned System Outage - EMMS PreProduction

Change Start Date & Time: 22/06/2016 09:00:00 AEST

Change End Date & Time: 24/06/2016 17:00:00 AEST


Outage Start Date & Time: 24/06/2016 13:15:00 AEST


Outage End Date & Time: 24/06/2016 13:30:00 AEST


Change Description:

Maintenance is performed regularly on EMMS Pre-production Systems to reduce security exposure risks, improve reliability and performance.

Environment: Pre-Production

Participant Impact and Requirements:

Electricity MMS Pre-Production system will be available during the outage window. However, participants may experience some disconnections.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0039537

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: Planned System Change - Yearly update of the MPC/CPT values in EMMS Production

Change Start Date & Time: 24/06/2016 08:00:00 AEST

Change End Date & Time: 24/06/2016 17:00:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Change Description:

Please see attached Change Notice.

Environment: Production

Participant Impact and Requirements:

This change details the implementation of Transmission Loss Factors (TLFs), Interconnector Loss Models (ILMs), and Distribution Loss factors (DLFs) values for the period 1 July 2016 to 30 June 2017.
Details of the methodology and specific loss factors are not covered by the change.

Values to be loaded 24th June 2016 effective Date is the 1st July 2016

This change also covers the updating of the following:
Market Price Cap, Market Floor Price and Cumulative Price Threshold values as published on the AEMC website.


Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0039588

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: EMMS - Dispatch

Change Title: Planned System Change - EMMS Production: Generator Ramp Rate Rule Change

Change Start Date & Time: 21/06/2016 13:00:00 AEST

Change End Date & Time: 21/06/2016 15:00:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

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 re-issued on 3rd June 2016 for more information.)

The new minimum Ramp Rates will become effective and be used in validation from trading day 01/07/16 in Production.

Environment: Production

Participant Impact and Requirements:

This rule change results in some DUIDs having a changed Minimum Ramp Rate used in offer validation.

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.

Change Number: CHG0039546

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Network Outage Scheduler

Change Title: Planned System Outage due to NOS application version update to 3.0.9 (Pre-Production)

Change Start Date & Time: 16/06/2016 10:00:00 AEST

Change End Date & Time: 16/06/2016 11:00:00 AEST

Outage Start Date & Time: 16/06/2016 10:00:00 AEST

Outage End Date & Time: 16/06/2016 10:20:00 AEST

Change Description:

The upgrade will include minor enhancements to AEMO NOS Pre-production user interface

Environment: Pre-Production

Participant Impact and Requirements:

Pre-Production NOS will be unavailable during the specified outage times.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0039558

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Network Outage Scheduler

Change Title: Planned System Outage due to NOS application version update to 3.0.9 (Production)

Change Start Date & Time: 22/06/2016 10:00:00 AEST

Change End Date & Time: 22/06/2016 11:00:00 AEST

Outage Start Date & Time: 22/06/2016 10:00:00 AEST

Outage End Date & Time: 22/06/2016 10:20:00 AEST

Change Description:

The upgrade will include minor enhancements to AEMO NOS user interface.

Environment: Production

Participant Impact and Requirements:

Production NOS will be unavailable during the specified outage times.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.