Market Notices

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1535 hrs on 2 March 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 2 March 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 1535 hrs on 2 March 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1100 hrs on 2 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 2 March 2025.

Refer to market notice: 125181

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 1100 hrs on 2 March 2025.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1005 hrs on 2 March 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 2 March 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 1005 hrs on 2 March 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.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 01/03/2025

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.125159 is cancelled at 1842 hrs 01/03/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/03/2025

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs

The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1354 MW

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1915 hrs on 28 February 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 February 2025.

Refer to market notice: 125133

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

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1915 hrs on 28 February 2025.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1830 hrs on 28 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 28 February 2025.

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

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1830 hrs on 28 February 2025.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

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


This is an AEMO autogenerated Market Notice.

Change Number: CHG0101252

Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Retail Pre-Production Data refresh (CATS and EMDM)

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

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 .