Market Notices

112326MARKET INTERVENTION14/12/2023 03:28:52 PM

Direction - SA region 14/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 14/12/2023

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 1535 hrs on 14/12/2023.

Intervention pricing does not apply to this AEMO intervention event.

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
112318MARKET INTERVENTION14/12/2023 02:29:57 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 112316

The synchronous generating units currently expected to be synchronised in SA from 0800 hrs 15/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1530 hrs 14/12/2023, 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
112317RESERVE NOTICE14/12/2023 12:57:37 PM

STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/12/2023

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 period:

From 1530 hrs to 1600 hrs 19/12/2023.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 647 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
112316MARKET INTERVENTION14/12/2023 12:51:59 PM

Possible intervention to manage power system security in South Australia (SA) Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in South Australia (SA) Region

The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 15/12/2023 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
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
112300RESERVE NOTICE14/12/2023 10:18:19 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112279 has been updated at 1015 hrs to the following:

[1.] From 1730 hrs 14/12/2023 to 1800 hrs 14/12/2023.
The forecast capacity reserve requirement is 714 MW.
The minimum capacity reserve available is 597 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 1630 hrs on 14/12/2023.

Manager NEM Real Time Operations
112299RESERVE NOTICE14/12/2023 10:06:14 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112280 has been updated at 0930 hrs to the following:

[1.] From 1600 hrs 14/12/2023 to 1700 hrs 14/12/2023.
The forecast capacity reserve requirement is 1380 MW.
The minimum capacity reserve available is 867 MW.

[2.] From 1800 hrs 14/12/2023 to 2000 hrs 14/12/2023.
The forecast capacity reserve requirement is 1380 MW.
The minimum capacity reserve available is 775 MW.

Manager NEM Real Time Operations
112298RESERVE NOTICE14/12/2023 09:42:34 AM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 14/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 112277 is cancelled at 0930 hrs 14/12/2023.

Manager NEM Real Time Operations
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