Market Notices

125126MARKET INTERVENTION27/02/2025 07:50:31 PM

Cancellation - AEMO Intervention Event - SA region 27/02/2025

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 27/02/2025

Refer to Market Notice 125116

The AEMO Intervention Event and all associated directions are cancelled from 1950 hrs on 27/02/2025.


Manager NEM Real Time Operations
     
125125MARKET INTERVENTION27/02/2025 07:50:20 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

Refer to Market Notice 125117

Direction is cancelled from: 1950 hrs 27/02/2025

Manager NEM Real Time Operations
     
125117MARKET INTERVENTION27/02/2025 03:00:30 PM

Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN

Refer to Market Notice 125116


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN at 1500 hrs 27/02/2025
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 1030 hrs 28/02/2025
Services provided: Voltage Control
Circumstances necessitating the Direction:Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1230 hrs 28/02/2025

AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations
     
125116MARKET INTERVENTION27/02/2025 03:00:09 PM

Direction - SA region 27/02/2025

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 27/02/2025

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1505 hrs on 27/02/2025.

Intervention pricing does not apply to this AEMO intervention event.

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
     
125115MARKET INTERVENTION27/02/2025 02:38:14 PM

Update - Foreseeable AEMO intervention in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 125095

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1030 hrs 28/02/2025.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1500 hrs 27/02/2025, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations
     
125114MARKET SYSTEMS27/02/2025 12:14:31 PM

CHG0100544 - MSATS - CATS Production Site Transfer Brisbane to Norwest

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 .
     
125113MARKET SYSTEMS27/02/2025 11:01:35 AM

CHG0101364 - A production site transfer of the Electricity and Gas B2B Hub will be carried out to facilitate 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 .
     
125105SETTLEMENTS RESIDUE26/02/2025 05:30:24 PM

[EventId:202502261730_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 26 February 2025 17:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1730 hrs on 26 February 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 26 February 2025.

Refer to market notice: 125102

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.

The negative residue constraint NRM_VIC1_SA1 ceased operating at 1730 hrs on 26 February 2025.

This is an AEMO autogenerated Market Notice.
     
125102SETTLEMENTS RESIDUE26/02/2025 03:45:23 PM

[EventId:202502261545_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 26 February 2025 15:45

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1545 hrs on 26 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 26 February 2025.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.

The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1545 hrs on 26 February 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
     
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