Market Notices

117506SETTLEMENTS RESIDUE30/07/2024 07:55:25 AM

[EventId:202407300755_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 30 July 2024 07:55

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0755 hrs on 30 July 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 30 July 2024.

Refer to market notice: 117505

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

The negative residue constraint NRM_VIC1_NSW1 ceased operating at 0755 hrs on 30 July 2024.

This is an AEMO autogenerated Market Notice.
     
117505SETTLEMENTS RESIDUE30/07/2024 07:30:23 AM

[EventId:202407300730_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 30 July 2024 07:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0730 hrs on 30 July 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 30 July 2024.

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

The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 0730 hrs on 30 July 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.
     
117504RECLASSIFY CONTINGENCY30/07/2024 07:22:04 AM

Update - Non-credible contingency event - QLD region - 30/07/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 30/07/2024

Refer AEMO Electricity Market Notice 117503

The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: QLD

Elements: Darling Downs Power Station
Duration: 0720 hrs until further notice
Constraint set(s) invoked: Q-DARLING_DOWNS_N-2

Manager NEM Real Time Operations
     
117501RESERVE NOTICE29/07/2024 05:49:35 AM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region [beginning] on 29/07/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117497 is cancelled at 0545 hrs 29/07/2024.

Manager NEM Real Time Operations
     
117499RESERVE NOTICE28/07/2024 02:51:28 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 31/07/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117493 is cancelled at 1420 hrs 28/07/2024

No LOR condition is currently forecast in the STPASA period.

Manager NEM Real Time Operations
     
117498RESERVE NOTICE28/07/2024 02:49:38 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 30/07/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the TAS region advised in AEMO Electricity Market Notice No. 117492 is cancelled at 1420 hrs 28/07/2024

No LOR condition is currently forecast in the STPASA period.

Manager NEM Real Time Operations
     
117497RESERVE NOTICE28/07/2024 12:50:02 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 29/07/2024

AEMO ELECTRICITY MARKET NOTICE

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

[1.] From 0730 hrs 29/07/2024 to 0830 hrs 29/07/2024.
The forecast capacity reserve requirement is 557 MW.
The minimum capacity reserve available is 517 MW.

Manager NEM Real Time Operations
     
117496INTER-REGIONAL TRANSFER28/07/2024 11:42:01 AM

Inter-regional transfer limit variation - Heywood - South East No 2 275 kV Line - SA region - 26/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Heywood - South East No 2 275 kV Line SA region - 26/07/2024

A planned outage of Heywood - South East No 2 275 kV Line in the SA region was scheduled from 0830 hrs 26/07/2024 to 1730 hrs 28/07/2024.

The outage has been extended until 1200 hrs 29/07/2024

Constraint set(s) invoked:
I-HYSE
I-VS_050
I-VS+LKB_050

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
117495RECLASSIFY CONTINGENCY27/07/2024 07:24:40 PM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 27/07/2024 19:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117494

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