Market Notices

119029POWER SYSTEM EVENTS18/10/2024 03:48:56 PM

Non-credible contingency event - VIC region - 18/10/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 18/10/2024

At 1525 hrs the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.

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
     
119027GENERAL NOTICE18/10/2024 08:01:30 PM

Network Augmentation Commissioned - NSW Region - 18/10/2024

AEMO ELECTRICITY MARKET NOTICE

A network augmentation has been commissioned in the NSW region at 2000 hrs 18/10/2024 as follows:

Stubo 330kV switching station has been cut into the existing Wellington - Wollar West 79 330 kV line to form the following circuits:

Wellington - Stubo SF 79 330 kV Transmission Line
Wollar West - Stubo SF 7M 330 kV Transmission Line

Manager NEM Real Time Operations
     
118998INTER-REGIONAL TRANSFER17/10/2024 07:20:04 PM

Inter-regional transfer limit variation - Brinkworth- Red Hill- Bungama 132kV lines - SA region - 17/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Brinkworth- Red Hill- Bungama 132kV lines - SA region - 17/10/2024

At 1846 hrs 17/10/2024 there was an unplanned outage of Brinkworth- Red Hill- Bungama 132kV lines.

The following constraint set(s) invoked at 1855 hrs 17/10/2024
S-BRBG

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
118997INTER-REGIONAL TRANSFER17/10/2024 07:18:47 PM

Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024

At 1842 hrs 17/10/2024 there was an unplanned outage of Hummocks - Bungama 132kV line.

The following constraint set(s) invoked at 1850 hrs 17/10/2024
S-HUBG

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
118996INTER-REGIONAL TRANSFER17/10/2024 07:13:32 PM

Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line- SA region - 17/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line - SA region - 17/10/2024

At 1848 hrs 17/10/2024 there was an unplanned outage of Blyth West - Munno Para 275kV line.

The following constraint set(s) invoked at 1855 hrs 17/10/2024
S-BWMP

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
118945GENERAL NOTICE16/10/2024 06:44:49 PM

Heywood testing (Vic to SA) 16th October 2024 - update

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 118930 - revised the testing times.

There is an opportunity for testing Heywood Interconnector (HIC) flow from Victoria to South Australia above 450MW on 16th October from 17:00hrs to 17th October 00:00hrs

This test includes a trip and reclose of a line in South Australia.

Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations
     
118930GENERAL NOTICE16/10/2024 12:49:48 PM

Heywood testing (Vic to SA) 16th October 2024

AEMO ELECTRICITY MARKET NOTICE

There is an opportunity for testing Heywood Interconnector (HIC) flow from Victoria to South Australia above 450MW on 16th October from 17:00hrs to 20:00hrs

This test includes a trip and reclose of a line in South Australia.

Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations
     
118924GENERAL NOTICE16/10/2024 10:22:11 AM

NEM Local Temperature Alerts for SA from 16 Oct 2024 to 20 Oct 2024

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

SA
Port Augusta Ap (39+ Deg C): 16th Oct, 17th Oct
The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
     
118871GENERAL NOTICE14/10/2024 11:04:54 AM

NEM Local Temperature Alerts for SA from 14 Oct 2024 to 18 Oct 2024

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

SA
Port Augusta Ap (39+ Deg C): 17th Oct

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
     
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