Market Notices

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 22 December 2023

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: OAKEY2SF
Duration: 22/12/2023 13:00 to 22/12/2023 13:10
Amount: 54 MW
Constraint: NC-Q_OAKEY2SF

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Palmerston - Hadspen 2 220kV line - TAS region - 22/12/2023

At 1300 hrs 22/12/2023 there was a short notice outage of Palmerston - Hadspen 2 220kV line.

Constraint set(s) invoked: T-HAPM_220


This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V - MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 21/12/2023

At 1424 hrs the H14 Middle Ridge 275 kV circuit breakers 5432 and 5422 tripped. This offloaded the H14 Middle Ridge No.2 and No.3 275/110 kV transformers.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 112396

There is an opportunity for testing QNI Minor for flows from NSW to Qld up to 750 MW on Thursday 21st December from 1400 to 1700hrs.

This test includes a trip and reclose of a line in northern NSW.

Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Tuesday, 19 December 2023

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: YWPS2
Duration: 19/12/2023 11:00 to 19/12/2023 11:10
Amount: 19 MW
Constraint: NC-V_YWPS2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - South Morang No 1 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 0600 hrs 17/12/2023

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP
V-S-MNSP1
V-SA
VIC1-NSW1

Refer to AEMO Network Outage Scheduler (NOS) for return to service details

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Sydney West - Vineyard No 29 330kV line - NSW region - 17/12/2023

At 0545 hrs 17/12/2023 there was a short notice outage of Sydney West - Vineyard No 29 330kV line.

Constraint set(s) invoked: N-SWVY_29

The following constraint set(s) invoked at 0545 hrs 17/12/2023
N-SWVY_29

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 110640

There is an opportunity for testing QNI Minor for flows from NSW to Qld up to 750 MW on Tuesday 16th December from 0930 to 1800hrs.

This test includes a trip and reclose of a line in northern NSW.

Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - SA Region - 15/12/2023

Commissioned:
Bundey 330kV substation, 330kV East Bus and 330kV West Bus.

Manager NEM Real Time Operations