Market Notices

112303SETTLEMENTS RESIDUE14/12/2023 11:01:24 AM

[EventId:202312141100_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 December 2023 11:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1100 hrs on 14 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2023.

Refer to market notice: 112296

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 1100 hrs on 14 December 2023.

This is an AEMO autogenerated Market Notice.
112302PRICES SUBJECT TO REVIEW14/12/2023 11:00:20 AM

[EventId:202312141105_review] Prices for interval 14-Dec-2023 11:05 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1100 hrs on 14 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 14-Dec-2023 11:05.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
112301GENERAL NOTICE14/12/2023 10:57:26 AM

NEM Local Temperature Alerts for VIC from 14 Dec 2023 to 18 Dec 2023

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

VIC
Mildura Ap (39+ Deg C): 18th Dec

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
112300RESERVE NOTICE14/12/2023 10:18:19 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112279 has been updated at 1015 hrs to the following:

[1.] From 1730 hrs 14/12/2023 to 1800 hrs 14/12/2023.
The forecast capacity reserve requirement is 714 MW.
The minimum capacity reserve available is 597 MW.

AEMO is seeking a market response.

AEMO estimates the latest time at which it would need to intervene through an AEMO intervention event is 1630 hrs on 14/12/2023.

Manager NEM Real Time Operations
112299RESERVE NOTICE14/12/2023 10:06:14 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112280 has been updated at 0930 hrs to the following:

[1.] From 1600 hrs 14/12/2023 to 1700 hrs 14/12/2023.
The forecast capacity reserve requirement is 1380 MW.
The minimum capacity reserve available is 867 MW.

[2.] From 1800 hrs 14/12/2023 to 2000 hrs 14/12/2023.
The forecast capacity reserve requirement is 1380 MW.
The minimum capacity reserve available is 775 MW.

Manager NEM Real Time Operations
112298RESERVE NOTICE14/12/2023 09:42:34 AM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 112277 is cancelled at 0930 hrs 14/12/2023.

Manager NEM Real Time Operations
112297RECLASSIFY CONTINGENCY14/12/2023 09:41:03 AM

Cancellation - Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region - 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region - 14/12/2023

Refer to MN 112295

Based on advice from the asset owner, AEMO no longer considers the simultaneous trip of all the generators at Darling Downs Power Station as a credible contingency event.

Therefore AEMO cancels the reclassification as a credible contingency event from 0935 hrs 14/12/2023.

Constraint set Q-DARLING_DOWNS_N-2 invoked from 0745 hrs 14/12/2023 to 0935 hrs 14/12/2023

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112296SETTLEMENTS RESIDUE14/12/2023 09:35:23 AM

[EventId:202312140935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2023 09:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0935 hrs on 14 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2023.

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 0935 hrs on 14 December 2023.

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.
112295RECLASSIFY CONTINGENCY14/12/2023 07:45:16 AM

Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region 14/12/2023

Based on advice from the asset owner, AEMO has declared the simultaneous trip of all the generators at Darling Downs Power Station as a credible contingency event.

AEMO considers the simultaneous trip of those generators to now be more likely.

AEMO has reclassified this as a credible contingency event from 0745 hrs 14/12/2023.

To manage power system security constraint set Q-DARLING_DOWNS_N-2 invoked from 0745 hrs 14/12/2023 until further notice.



Manager NEM Real Time Operations
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