Market Notices

125442ADMINISTERED PRICE CAP09/03/2025 06:54:53 PM

Update - AEMO market notice 125439 was published in error: AP STARTED for ENERGY in SA1 at 09 March 2025 17:55

AEMO ELECTRICITY MARKET NOTICE

Refer market notice 125439 and 125440

AEMO confirms that market notice 125439 was published in error.

An ADMINISTERED PRICE PERIOD has NOT been triggered in SA1 region.

Manager NEM Real Time Operations
     
125440ADMINISTERED PRICE CAP09/03/2025 06:28:14 PM

AEMO market notice 125439 was published in error: AP STARTED for ENERGY in SA1 at 09 March 2025 17:55

AEMO ELECTRICITY MARKET NOTICE

Refer market notice 125439

AEMO believes market notice 125439 was published in error.

We believe an ADMINISTERED PRICE PERIOD has NOT been triggered in SA1 region.

AEMO is currently reviewing the event and will update the market as soon as possible.

Issued by Australian Energy Market Operator Ltd at 1820 hrs on 09 March 2025

Manager NEM Real Time Operations
     
125439ADMINISTERED PRICE CAP09/03/2025 05:55:23 PM

[EventId:204] AP STARTED for ENERGY in SA1 at 09 March 2025 17:55

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1755 hrs on 09 March 2025

ADMINISTERED PRICE PERIOD DECLARED in SA1 region.

AEMO has determined that the rolling sum of the uncapped spot prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,573,700.00.

In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 1805 hrs on 09 March 2025 and will continue through to the end of that trading day.

An administered price cap (APC) of 600 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to spot prices and to all market ancillary service prices in the SA1 region.

An administered floor price (AFP) of -600 $/MWh will apply to spot prices.

AEMO will continue to monitor the rolling sum of the uncapped spot prices and issue further Market Notices as required.

This is an AEMO autogenerated Market Notice.
     
125394SETTLEMENTS RESIDUE08/03/2025 03:00:23 PM

[EventId:202503081500_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 08 March 2025 15:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1500 hrs on 8 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.

Refer to market notice: 125380

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 1500 hrs on 8 March 2025.

This is an AEMO autogenerated Market Notice.
     
125380SETTLEMENTS RESIDUE08/03/2025 01:10:28 PM

[EventId:202503081310_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 08 March 2025 13:10

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1310 hrs on 8 March 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 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 1310 hrs on 8 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.
     
125377SETTLEMENTS RESIDUE08/03/2025 01:00:25 PM

[EventId:202503081300_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 08 March 2025 13:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1300 hrs on 8 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 March 2025.

Refer to market notice: 125373

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 1300 hrs on 8 March 2025.

This is an AEMO autogenerated Market Notice.
     
125373SETTLEMENTS RESIDUE08/03/2025 12:10:28 PM

[EventId:202503081210_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 08 March 2025 12:10

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1210 hrs on 8 March 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 8 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 1210 hrs on 8 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.
     
125355POWER SYSTEM EVENTS07/03/2025 06:40:37 AM

Non-credible contingency event - NSW region - 07/03/2025

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 07/03/2025

At 0612 hrs the following plant tripped.

Lismore132 - Mullumbimby 9U6 132kV Line
Lismore132 - Mullumbimby 9U7 132kV Line
Ewingsdale - Mullumbimby 9G5 132kV Line
No 1 and 2 cables of Directlink

AEMO did not instruct load shedding.

Approximately 7MW of bulk electrical load has been disconnected.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations
     
125343SETTLEMENTS RESIDUE06/03/2025 06:20:24 PM

[EventId:202503061820_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 06 March 2025 18:20

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1820 hrs on 6 March 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 March 2025.

Refer to market notice: 125341

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 1820 hrs on 6 March 2025.

This is an AEMO autogenerated Market Notice.
     
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