Market Notices

112095PRICES SUBJECT TO REVIEW08/12/2023 02:55:26 PM

[EventId:202312081500_review] Prices for interval 08-Dec-2023 15:00 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1455 hrs on 8 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 08-Dec-2023 15:00.

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.
112094SETTLEMENTS RESIDUE08/12/2023 02:51:32 PM

[EventId:202312081450_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 December 2023 14:50

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1450 hrs on 8 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 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 1450 hrs on 8 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.
112093PRICES SUBJECT TO REVIEW08/12/2023 02:50:22 PM

[EventId:202312081455_review] Prices for interval 08-Dec-2023 14:55 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1450 hrs on 8 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 08-Dec-2023 14:55.

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.
112092PRICES SUBJECT TO REVIEW08/12/2023 02:46:03 PM

[EventId:202312081450_review] Prices for interval 08-Dec-2023 14:50 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1445 hrs on 8 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 08-Dec-2023 14:50.

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.
112091RECLASSIFY CONTINGENCY08/12/2023 02:44:35 PM

Cancellation of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV line in TAS1 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: TAS1

Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV

Cancellation time: 08/12/2023 14:44

Constraint set(s) revoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 112079

Auto-generated on behalf of Manager NEM Real Time Operations
112090PRICES SUBJECT TO REVIEW08/12/2023 02:40:22 PM

[EventId:202312081445_review] Prices for interval 08-Dec-2023 14:45 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1440 hrs on 8 December 2023

PRICES ARE SUBJECT TO REVIEW for trading interval 08-Dec-2023 14:45.

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.
112089RECLASSIFY CONTINGENCY08/12/2023 02:25:32 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Loss of Sheffield 220 kV switchyard (all 220 kV buses) in Tas due to planned work

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to planned work. AEMO considers the simultaneous trip of the following plant is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS1

Plant: Sheffield 220 kV switchyard (all 220 kV buses)

Cancellation time: 08/12/2023 14:05 hrs

Constraint set revoked:
T-SH_220_N-2
Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1



Refer AEMO Electricity Market Notice 112059

Manager NEM Real Time Operations
112088RECLASSIFY CONTINGENCY08/12/2023 02:04:51 PM

Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.

AEMO ELECTRICITY MARKET NOTICE.

AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 112074 is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 1400 hrs 08/10/2023.

Constraint set revoked:
I-VS_250

Manager NEM Real Time Operations
112087RECLASSIFY CONTINGENCY08/12/2023 01:54:38 PM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 08/12/2023 13:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112078

Auto-generated on behalf of Manager NEM Real Time Operations
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