Market Notices

112318MARKET INTERVENTION14/12/2023 02:29:57 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 112316

The synchronous generating units currently expected to be synchronised in SA from 0800 hrs 15/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1530 hrs 14/12/2023, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112316MARKET INTERVENTION14/12/2023 12:51:59 PM

Possible intervention to manage power system security in South Australia (SA) Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in South Australia (SA) Region

The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 15/12/2023 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112315SETTLEMENTS RESIDUE14/12/2023 11:37:30 AM

[EventId:202312141130_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2023 11:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 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 1130 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.
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.
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
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.
112280RESERVE NOTICE13/12/2023 10:48:55 PM

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. 112265 has been updated at 2230 hrs to the following:

[1.] From 1530 hrs 14/12/2023 to 1630 hrs 14/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 813 MW.

[2.] From 1830 hrs 14/12/2023 to 2000 hrs 14/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 797 MW.


Manager NEM Real Time Operations
112277RESERVE NOTICE13/12/2023 10:29:03 PM

PDPASA - Update 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. 112257 has been updated at 2200 hrs to the following:

[1.] From 1730 hrs 14/12/2023 to 1800 hrs 14/12/2023.
The forecast capacity reserve requirement is 1284 MW.
The minimum capacity reserve available is 1076 MW.


Manager NEM Real Time Operations
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