Market Notices

112380MARKET INTERVENTION15/12/2023 02:20:50 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 112377

The synchronous generating units currently expected to be synchronised in SA from 0630 hrs 16/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1445 hrs 15/12/2023, 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
112377MARKET INTERVENTION15/12/2023 12:43:13 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 0700 hrs 16/12/2023 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
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
112370MARKET INTERVENTION15/12/2023 07:42:53 AM

ENTERED INTO RERT CONTRACTS

AEMO ELECTRICITY MARKET NOTICE.

AEMO Intervention Event, Reliability and Emergency Reserve Trader (RERT) - NSW1 Region - 14/12/2023

Refer to AEMO Electricity Market Notice no. 112333.

AEMO has entered into a reserve contract to maintain the power system in a Reliable operating state during the following period of time;
15:30 to 19:30 hrs 14/12/2023

The latest time to activate or dispatch these reserves has now passed. No reserve contracts were activated or pre-activated.

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
112333MARKET INTERVENTION14/12/2023 03:29:11 PM

INTENTION TO COMMENCE RERT CONTRACT NEGOTIATIONS

AEMO ELECTRICITY MARKET NOTICE.
Reliability and Emergency Reserve Trader (RERT) Intention to negotiate for additional reserve - NSW1 Region- 14/12/2023

Refer to AEMO Electricity Market Notice no. 112328.
AEMO intends to commence negotiations with RERT Panel members for the provision of additional reserve by issuing requests for tender for the following period of time;
15:30 to 19:30 hrs 14/12/2023
If reserve is required, the period of activation or dispatch will be within this period but may not be for the entire period.
AEMO will issue a further advice if reserve is contracted.


Manager NEM Real Time Operations
112332MARKET INTERVENTION14/12/2023 04:57:58 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 13/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 13/12/2023

Refer Market Notice 112261

The AEMO Intervention Event and all associated directions are cancelled from 1700 hrs 14/12/2023

Manager NEM Real Time Operations
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
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