Market Notices

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: 27/11/2024 13:30 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1330 hrs on 27 November 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 November 2024.

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 1330 hrs on 27 November 2024.

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.

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: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV

Duration: 27/11/2024 13:13 until further notice

Constraint set(s) invoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

[1.] From 1500 hrs 28/11/2024 to 1600 hrs 28/11/2024.
The forecast capacity reserve requirement is 1176 MW.
The minimum capacity reserve available is 1026 MW.

[2.] From 1700 hrs 28/11/2024 to 1900 hrs 28/11/2024.
The forecast capacity reserve requirement is 1121 MW.
The minimum capacity reserve available is 351 MW.


AEMO is seeking a market response.

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

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

[1.] From 1730 hrs 28/11/2024 to 1830 hrs 28/11/2024.
The forecast capacity reserve requirement is 736 MW.
The minimum capacity reserve available is 351 MW.


AEMO is seeking a market response.

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


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121023 has been updated at 1200 hrs 27/11/2024 to the following:

1. From 1500 hrs to 1630 hrs 28/11/2024.
The forecast capacity reserve requirement is 1129 MW.
The minimum capacity reserve available is 1025 MW.

2. From 1730 hrs to 1800 hrs 28/11/2024.
The forecast capacity reserve requirement is 1083 MW.
The minimum capacity reserve available is 1010 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.

AEMO Operations

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: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV

Cancellation time: 27/11/2024 11:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 121027

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121049 has been updated at 1130 hrs to the following:

[1.] From 1430 hrs 27/11/2024 to 1900 hrs 27/11/2024.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 5 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 1330 hrs on 27/11/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR3 condition in the NSW region advised in AEMO Electricity Market Notice No. 121040 is cancelled at 1130 hrs 27/11/2024

Manager NEM Real Time Operations