Market Notices

91891RESERVE NOTICE23/10/2021 11:22:51 AM

STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region beginning on 27/10/2021

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:

[1.] From 1800 hrs 27/10/2021 to 1900 hrs 27/10/2021.
The forecast capacity reserve requirement is 177 MW.
The minimum capacity reserve available is 144 MW.

[2.] From 0530 hrs 28/10/2021 to 0730 hrs 28/10/2021.
The forecast capacity reserve requirement is 182 MW.
The minimum capacity reserve available is 94 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

Manager NEM Real Time Operations



     
91890PRICES SUBJECT TO REVIEW23/10/2021 11:20:14 AM

[EventId:202110231125_review] Prices for interval 23-Oct-2021 11:25 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1120 hrs on 23 October 2021

PRICES ARE SUBJECT TO REVIEW for trading interval 23-Oct-2021 11:25.

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.
     
91889PRICES SUBJECT TO REVIEW23/10/2021 11:15:17 AM

[EventId:202110231120_review] Prices for interval 23-Oct-2021 11:20 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1115 hrs on 23 October 2021

PRICES ARE SUBJECT TO REVIEW for trading interval 23-Oct-2021 11:20.

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.
     
91888PRICES SUBJECT TO REVIEW23/10/2021 11:10:15 AM

[EventId:202110231115_review] Prices for interval 23-Oct-2021 11:15 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1110 hrs on 23 October 2021

PRICES ARE SUBJECT TO REVIEW for trading interval 23-Oct-2021 11:15.

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.
     
91887SETTLEMENTS RESIDUE23/10/2021 10:30:17 AM

[EventId:202110231030_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 23 October 2021 10:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1030 hrs on 23 October 2021

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 October 2021.

Refer to market notice: 91885

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 1030 hrs on 23 October 2021.

This is an AEMO autogenerated Market Notice.
     
91885SETTLEMENTS RESIDUE23/10/2021 09:35:17 AM

[EventId:202110230935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 23 October 2021 09:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0935 hrs on 23 October 2021

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 23 October 2021.

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 23 October 2021.

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.
     
91884MARKET SYSTEMS23/10/2021 08:21:06 AM

CHG0070738 | Completed | Pre-Production | CATS Pre-Production Database

Change Number: CHG0070738

Notification issued to: Market Notice
Notification Type: Completed

Change Type: Normal

Service/Component: MSATS - Consumer Administration and Transfer Solution (CATS)
Change Title: CATS Pre-Production Database

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
     
91883RECLASSIFY CONTINGENCY23/10/2021 08:14:25 AM

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: 23/10/2021 08:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 91882

Auto-generated on behalf of Manager NEM Real Time Operations
     
91882RECLASSIFY CONTINGENCY23/10/2021 06:12:00 AM

Reclassification 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

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: VIC1

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

Duration: 23/10/2021 06:11 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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