Market Notices

117097MARKET INTERVENTION22/06/2024 02:06:16 PM

Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE


Possible intervention to manage power system security in SA region

The synchronous generating units currently expected to be synchronised in SA from 1000 hrs 23/06/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1630 hrs 22/06/2024, 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
117093GENERAL NOTICE21/06/2024 12:16:15 PM

Network Augmentation Commissioned - QLD Region - 21/06/2024

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - QLD Region - 21/06/2024

Commissioned:
H90 Tully South - T48 Tully 7162 132kV line
H90 Tully South No.1 275kV /132 kV transformer

Manager NEM Real Time Operations
117083MARKET INTERVENTION20/06/2024 12:55:37 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 19/06/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 19/06/2024

Refer Market Notice 117076

The AEMO Intervention Event and all associated directions are cancelled from 1300 hrs 20/06/2024

Manager NEM Real Time Operations
117076MARKET INTERVENTION19/06/2024 04:42:31 PM

Direction - SA region 19/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 19/06/2024

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).

The direction was necessary to maintain the power system in a secure operating state.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1650 hrs on 19/06/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
117068MARKET INTERVENTION19/06/2024 01:34:08 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 117061

The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 20/06/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 19/06/2024, 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
117066GENERAL NOTICE19/06/2024 12:14:34 PM

Planned outage of the Rowville - South Morang 500 kV line in the VIC region on 20/06/2024.

AEMO ELECTRICITY MARKET NOTICE

The Rowville - South Morang 500 kV line in the Victoria (VIC) region is planned to be out of service from 1400 hrs to 1630 hrs on 20/06/2024.

A credible contingency event during this planned outage could cause:
- A large reduction in generation in VIC; and/ or
- Restrict power transfer across the VIC - South Australia (SA) interconnector (Heywood interconnector).

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO Operations
117061MARKET INTERVENTION18/06/2024 11:25:29 PM

Possible intervention to manage power system security in SA Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 20/06/2024 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
117060GENERAL NOTICE18/06/2024 09:25:56 PM

QNI Minor testing (Qld to NSW) 19th June 2024

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 117027

There is an opportunity for testing QNI Minor for flows from Qld to NSW up to 1300 MW on Wednesday 19th June 2024 from 0700 to 1000hrs.

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
117042POWER SYSTEM EVENTS18/06/2024 10:16:34 AM

Non-credible contingency event - VIC region - 18/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 18/06/2024

At 0839 hrs the Glenrowan No1 66kV Bus tripped.

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
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