Market Notices

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 121698 is cancelled at 1745 hrs 10/12/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1730 hrs on 10 December 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 December 2024.

Refer to market notice: 121699

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 1730 hrs on 10 December 2024.

This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1635 hrs on 10 December 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 December 2024.

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 1635 hrs on 10 December 2024.

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.

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:

[1.] From 1830 hrs 10/12/2024 to 1900 hrs 10/12/2024.
The forecast capacity reserve requirement is 1385 MW.
The minimum capacity reserve available is 1336 MW.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/12/2024

Refer Market Notice 121685

AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1615 hrs 10/12/2024.

Manager NEM Real Time Operations

Change Number: CHG0100201

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MarketNet

Change Title: Planned maintenance affecting the AEMO Market Network.

Change Start Date & Time: 16/12/2024 08:00:00 AEST
Change End Date & Time: 17/12/2024 17:00:00 AEST
Outage Start Date & Time: 16/12/2024 15:12:00 AEST
Outage End Date & Time: 16/12/2024 15:13:00 AEST

Environment: Production

Participant Impact and Requirements: Planned maintenance will be conducted on the 16th of December 2024, between 07:30AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.

During there change, there will be two instances of 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Sydney will not be affected during this time. AEMO recommends that all market participants with site to site VPN connections currently connected via Brisbane, to switch these connections to the Sydney site as a precaution.

Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Sydney site and do not need to take any action.

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

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:

1. From 1700 hrs to 1830 hrs 17/12/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 1310 MW.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:

1. From 1500 hrs 16/12/2024 to 1630 hrs 16/12/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 700 MW.

2. From 1930 hrs to 2030 hrs 16/12/2024.
The forecast capacity reserve requirement is 1400 MW.
The minimum capacity reserve available is 962 MW.

AEMO Operations

Change Number: CHG0100257

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Local Area Network

Change Title: MarketNet Services via Brisbane service disruption for 1-3 seconds as traffic is failed between highly available load balancing services.

Change Start Date & Time: 12/12/2024 14:00:00 AEST
Change End Date & Time: 12/12/2024 16:00:00 AEST
Outage Start Date & Time: 12/12/2024 15:00:00 AEST
Outage End Date & Time: 12/12/2024 15:01:00 AEST

Environment: Production

Participant Impact and Requirements: During there change, there will be a 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Norwest will not be affected during this time.

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 .