Market Notices

112380MARKET INTERVENTION15/12/2023 02:20:50 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 112377

The synchronous generating units currently expected to be synchronised in SA from 0630 hrs 16/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1445 hrs 15/12/2023, 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
112378SETTLEMENTS RESIDUE15/12/2023 12:35:29 PM

[EventId:202312151235_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 December 2023 12:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1235 hrs on 15 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 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 1235 hrs on 15 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.
112377MARKET INTERVENTION15/12/2023 12:43:13 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 0700 hrs 16/12/2023 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
112376SETTLEMENTS RESIDUE15/12/2023 12:00:38 PM

[EventId:202312151200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 December 2023 12:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1200 hrs on 15 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 December 2023.

Refer to market notice: 112372

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 1200 hrs on 15 December 2023.

This is an AEMO autogenerated Market Notice.
112372SETTLEMENTS RESIDUE15/12/2023 10:00:35 AM

[EventId:202312151000_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 December 2023 10:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1000 hrs on 15 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 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 1000 hrs on 15 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.
112370MARKET INTERVENTION15/12/2023 07:42:53 AM

ENTERED INTO RERT CONTRACTS

AEMO ELECTRICITY MARKET NOTICE.

AEMO Intervention Event, Reliability and Emergency Reserve Trader (RERT) - NSW1 Region - 14/12/2023

Refer to AEMO Electricity Market Notice no. 112333.

AEMO has entered into a reserve contract to maintain the power system in a Reliable operating state during the following period of time;
15:30 to 19:30 hrs 14/12/2023

The latest time to activate or dispatch these reserves has now passed. No reserve contracts were activated or pre-activated.

Manager NEM Real Time Operations
112366RESERVE NOTICE14/12/2023 07:41:53 PM

Cancellation of Actual (LOR1) condition in the NSW region - 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 14/12/2023

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.112357 is cancelled at 1940 hrs 14/12/2023.

Manager NEM Real Time Operations
112365SETTLEMENTS RESIDUE14/12/2023 07:00:20 PM

[EventId:202312141900_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 December 2023 19:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1900 hrs on 14 December 2023

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

Refer to market notice: 112347

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 1900 hrs on 14 December 2023.

This is an AEMO autogenerated Market Notice.
112357RESERVE NOTICE14/12/2023 04:50:22 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 14/12/2023

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1630 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs

The capacity reserve requirement is 1377 MW
The minimum capacity reserve available is 874 MW

Manager NEM Real Time Operations
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