Market Notices

112373GENERAL NOTICE15/12/2023 10:10:57 AM

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

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
112364RESERVE NOTICE14/12/2023 06:16:35 PM

Cancellation of Actual (LOR2) condition in the NSW region - 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR2) condition in the NSW region - 14/12/2023

The Actual LOR2 Condition in the NSW Region advised in AEMO Electricity Market Notice No.112362 is cancelled at 1810 hrs 14/12/2023.

Manager NEM Real Time Operations
112362RESERVE NOTICE14/12/2023 06:00:52 PM

Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 14/12/2023

An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR2 condition is not forecast in Pre Dispatch

The capacity reserve required is 690 MW
The minimum reserve available is 678 MW

AEMO is seeking an immediate market response.

An insufficient market response may require AEMO to implement a AEMO intervention event.

Manager NEM Real Time Operations
112361GENERAL NOTICE14/12/2023 07:47:56 PM

Network Augmentation Commissioned - QLD Region - 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - QLD Region - 14/12/2023

Commissioned:
R15 MacIntyre 330 kV Switching Station
R14 Tummaville - R15 MacIntyre No.9918 330 kV Line
R14 Tummaville - R15 MacIntyre No.9919 330 kV Line

Manager NEM Real Time Operations
112320GENERAL NOTICE14/12/2023 02:04:02 PM

Update - Vulnerbale lines - SA region

AEMO ELECTRICITY MARKET NOTICE.

Vulnerable lines in SA region.

[Special Reclassification of Transmission Lines during lightning]


Refer to AEMO Electricity Market Notices 111818


At 1350 28/11/2023 hrs Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers were reclassified due to the elements tripping at 0534 hrs 28/11/2023

The cause of trip was identified as due to lightning.

In accordance with SO_OP_3715, AEMO now considers the following elements to be vulnerable due to lightning.


Elements: Tungkillo- Robertstown No.1 and No.2 275kV lines and the Robertstown No.1 and No.2 synchronous condensers.


Manager NEM Real Time Operations
112301GENERAL NOTICE14/12/2023 10:57:26 AM

NEM Local Temperature Alerts for VIC from 14 Dec 2023 to 18 Dec 2023

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.

VIC
Mildura Ap (39+ Deg C): 18th Dec

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
112262GENERAL NOTICE13/12/2023 05:42:21 PM

Update - Vulnerable lines in TAS region.

AEMO ELECTRICITY MARKET NOTICE.

Vulnerable lines in TAS region.

Refer to AEMO Electricity Market Notice 112248.

At 1324 hrs 13/12/2023 the Hadspen - Palmerston No.3 & No.4 110 kV lines tripped and auto reclosed.

The cause of trip was identified as due to lightning.

In accordance with SO_OP_3715, AEMO now considers the Hadspen - Palmerston No.3 & No.4 110 kV lines to be vulnerable with a category of probable due to lightning.

Manager NEM Real Time Operations
112247POWER SYSTEM EVENTS13/12/2023 01:43:17 PM

Non-credible contingency event - TAS region - 13/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 13/12/2023

At 1324 hrs the Hadspen - Palmerston No.3 & No.4 110 kV lines 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
112239GENERAL NOTICE13/12/2023 12:29:31 PM

Fast Frequency Response Market - Increase in R1 FCAS volume 18 December 2023.

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 December AEMO will:

Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 175 MW to 225 MW

Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 100 MW

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations
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