Market Notices

AEMO MARKET NOTICE

INC0070965 - SERVICE INTERRUPTION - ALERT

AEMO is experiencing a service interruption relating to: MarketNet VPN.

AEMO is working on the issue and will provide updates as more information becomes available.

Service has been returned, Participants are advised to check system status.

For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600

Email: supporthub@aemo.com.au

AEMO IT Duty Manager

Change Number: CHG0064858

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Expedited

Service/ Component: Declared Wholesale Gas Market

Change Title: Unplanned System Maintenance - Declared Wholesale Gas Market (DWGM)

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

Change Number: CHG0064858

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Expedited

Service/ Component: Declared Wholesale Gas Market

Change Title: Unplanned System Maintenance - Declared Wholesale Gas Market (DWGM)

Change Start Date & Time: 01/07/2021 18:00:00 AEST

Change End Date & Time: 01/07/2021 21:00:00 AEST

Outage Start Date & Time: 01/07/2021 18:30:00 AEST

Outage End Date & Time: 01/07/2021 20:30:00 AEST

Change Description:

Unplanned System Maintenance - Declared Wholesale Gas Market (DWGM)

Environment: Production

Participant Impact and Requirements:

DWGM market system (Webexchanger and MIBB) outage from 18:30 to 20:30 AEST on 01/07/21 due to unplanned maintenance.

The following impacts are expected during the maintenance activities:
- All access to the Declared Wholesale Gas Market Production Systems will be unavailable.

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

Change Number: CHG0065198

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Voice Systems

Change Title: Telco Outage Notification - TELSTRA Brisbane Indial (07 3347 XXXX-XXXX) (Telstra ref: 3437720)

Change Start Date & Time: 21/07/2021 01:00:00 AEST

Change End Date & Time: 21/07/2021 06:00:00 AEST

Outage Start Date & Time: 21/07/2021 01:00:00 AEST

Outage End Date & Time: 21/07/2021 06:00:00 AEST

Change Description:

Telco Outage Notification - Telstra Brisbane Indial (07 3347 XXXX-XXXX)

Environment: Production

Participant Impact and Requirements:

Outage Duration:
1 x 2.5 hours during the window

Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Norwest).


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

Change Number: CHG0065197

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Market VPN

Change Title: Telco Outage Notification - Telstra MarketNet IP WAN - QLD (Telstra ref: 3437720)

Change Start Date & Time: 21/07/2021 00:00:00 AEST

Change End Date & Time: 21/07/2021 06:00:00 AEST

Outage Start Date & Time: 21/07/2021 00:00:00 AEST

Outage End Date & Time: 21/07/2021 06:00:00 AEST

Change Description:

Planned Maintenance Affecting the AEMO MarketNet IPWAN Access.

Environment: Production

Participant Impact and Requirements:

The following impacts are expected to participant connectivity during this planned outage:-
o IPWAN Participants - loss of redundancy for 1 x 2.5 hours
o L2L VPN Participants - nil
o Remote Access VPN Participants - nil

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

Change Number: CHG0065194

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Voice Systems

Change Title: Telco Outage Notification - TELSTRA Melbourne Indial (03 9609 XXXX-XXXX) (Telstra ref: 3432271)

Change Start Date & Time: 07/07/2021 01:00:00 AEST

Change End Date & Time: 07/07/2021 06:00:00 AEST

Outage Start Date & Time: 07/07/2021 01:00:00 AEST

Outage End Date & Time: 07/07/2021 06:00:00 AEST

Change Description:

Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Environment: Production

Participant Impact and Requirements:

Outage Duration:
3 x 15 minutes during the window

Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Perth).


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

Change Number: CHG0064164

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Gas Supply Hub

Change Title: Implement trading restriction between related entities for Trayport in the GSH system

Change Start Date & Time: 24/06/2021 19:00:00 AEST

Change End Date & Time: 24/06/2021 22:00:00 AEST

Outage Start Date & Time: 24/06/2021 19:00:00 AEST

Outage End Date & Time: 24/06/2021 22:00:00 AEST

Change Description:

Preproduction Gas Supply Hub system (Trayport interface) will experience brief outages during the outage window due to planned maintenance.

Environment: Production

Participant Impact and Requirements:

Brief outages during the outage window due to planned maintenance.

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

Change Number: CHG0065034

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Gas Bulletin Board(GBB)

Change Title: Upgrade the market portal and GasBB submission web application

Change Start Date & Time: 17/06/2021 08:30:00 AEST

Change End Date & Time: 17/06/2021 15:30:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Change Description:

Minor change to Market Portal set participant behaviour in pre-production

Environment: Pre-Production

Participant Impact and Requirements:

On Thursday we will upgrade the Markets Portal set participant page to include gas companies along with electricity participants. (This change does not include Gas Hub participants.)
This is likely to only be seen by users accessing the Gas BB submission pages, who once logged in, will need to set participant to the gas company they are submitting for (and are associated with).

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

Change Number: CHG0064893

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: EMMS - Data Interchange

Change Title: Planned System Change - 2021/22 update in EMMS Production - MPC/CPT/TLFs/DLFs values

Change Start Date & Time: 16/06/2021 10:00:00 AEST
Change End Date & Time: 16/06/2021 14:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:

Change Description:

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 2021 to 30 June 2022. These values will be loaded on 16 June 2021, with effective date of 1 July 2021 in Production.
Details of the methodology and specific loss factors are available from the AEMO website:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/loss_factors_and_regional_boundaries/forward-looking-loss-factor-methodology.pdf?la=en
- https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/loss_factors_and_regional_boundaries/2021-22/marginal-loss-factors-for-the-2021-22-financial-year.pdf?la=en
- https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/loss_factors_and_regional_boundaries/2021-22/distribution-loss-factors-for-the-2021-22-financial-year.pdf?la=en

This change notice also includes the change in values for the Market Price Cap (MPC) and Cumulative Price Threshold (CPT) for the period 1 July 2021 to 30 June 2022. From 1 July 2021 the MPC will increase from $15,000/MWh to $15,100/MWh and CPT will increase from $224,600 to $226,500. Refer to AEMO Helpdesk Bulletin for CHG0064569 for further details.

Environment: Production
Participant Impact and Requirements:
The TLFs, ILMs, DLFs, MPC and CPT for the period 1 July 2021-30 June 2022 will be loaded in Production on 16 June 2021

Please report any impacts to SupportHub 1300 236 600.