Market Notices

Change Number: CHG0100544
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: MSATS - CATS Production Site Transfer Brisbane to Norwest
Change Start Date & Time: 02/03/2025 09:00:00
Change End Date & Time: 02/03/2025 15:00:00
Outage Start Date & Time: 02/03/2025 10:00:00
Outage End Date & Time: 02/03/2025 14:00:00
Environment: Production
Participant Impact and Requirements
The outage will affect logins to Web Portals, MSATS, WEMDEUI, OPDMS, NOS, TMM, Gas Supply Hub, Capacity Auction, and Gas Bulletin Board. API calls to these services will be unavailable during the URM outage.
Outage Windows:
MSATS: 10:00 - 14:00 AEST
URM: 11:15 - 11:45 AEST
Impacted Services:
Web Portals (Markets, Internal & Public) and the following systems:
WEMDEUI, GSH, GBB, MSATS, DERR, PMS, RERT, SIMMS, DWGM, EMMS, Market Notice, DI
Key Impacts:
MSATS, Meter Data Processing, RM reports, B2B, B2M screens, NMI Discovery, CDR, and CDP will be unavailable.
Logged-in users before the outage will not be affected, but logging out means waiting until the outage ends to log back in.
Password resets and new account creations during the URM outage must be redone.
MSATS and NOS Server FTP sessions will be disabled, but Wholesale MMS FTP will remain available.
Plain English constraints and the redirection menu will be unavailable during the outage.
Capacity auction bidding via the Markets Portal and direct API calls will be unavailable.
Gas Supply Hub will remain open for trading, but reports will be inaccessible via Publishing Direct.
Recommendation:
Users should log in before the outage and remain logged in to avoid disruptions.
Support Information:
Report any impacts to the AEMO 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 .

Change Number: CHG0101364

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate maintenance activities.
Change Start Date & Time: 02/03/2025 09:00:00
Change End Date & Time: 02/03/2025 17:00:00
Outage Start Date & Time: 02/03/2025 10:00:00
Outage End Date & Time: 02/03/2025 14:00:00
Environment: Production
Participant Impact and Requirements: The following impacts are expected during this maintenance:
- All access to the Electricity B2B Hub will be unavailable.
- All access to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, LVI & VENCORP) will be unavailable. CATS and MDMT transactions for VIC/QLD will be delayed during the maintenance window.
- Users are not required to take any action due to this change, however will need to enact manual workarounds for the outage period.

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 .

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 27 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: WTAHB1
Duration: 27/02/2025 08:45 to 27/02/2025 08:55
Amount: -7 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 26 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: BERYLSF1
Duration: 26/02/2025 12:15 to 26/02/2025 12:40
Amount: 76 MW
Constraint: NC-N_BERYLSF1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Tuesday, 25 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MOKOSF1
Duration: 25/02/2025 09:50 to 25/02/2025 11:00
Amount: 32 MW
Constraint: NC-V_MOKOSF1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 25 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: STAN-4
Duration: 25/02/2025 09:30 to 25/02/2025 10:20
Amount: -18 MW
Constraint: NC-Q_STAN-4

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

SA
Port Augusta Ap (39+ Deg C): 27th Feb

VIC
Mildura Ap (39+ Deg C): 26th Feb, 27th Feb

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning

Change Number: CHG0100546

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MDM - Meter Data Management
Change Title: Production eMDM February Maintenance Release

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

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - BassLink Harmonic Filter - TAS region - 23/02/2025

At 0305 hrs 23/02/2025 there was an unplanned outage of BassLink Harmonic Filter.

The following constraint set(s) invoked at 0305 hrs 23/02/2025
T-BLGC_HF_43MVAR

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations