Market Notices

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
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
112314PRICES UNCHANGED14/12/2023 11:34:45 AM

[EventId:202312141130_confirmed] Prices for interval 14-Dec-2023 11:30 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 14 December 2023

PRICES ARE NOW CONFIRMED for trading interval 14-Dec-2023 11:30.

In accordance with Market Notice 112308 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
112313PRICES UNCHANGED14/12/2023 11:32:35 AM

[EventId:202312141125_confirmed] Prices for interval 14-Dec-2023 11:25 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 14 December 2023

PRICES ARE NOW CONFIRMED for trading interval 14-Dec-2023 11:25.

In accordance with Market Notice 112307 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
112312PRICES UNCHANGED14/12/2023 11:31:29 AM

[EventId:202312141120_confirmed] Prices for interval 14-Dec-2023 11:20 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 14 December 2023

PRICES ARE NOW CONFIRMED for trading interval 14-Dec-2023 11:20.

In accordance with Market Notice 112306 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
112311PRICES UNCHANGED14/12/2023 11:30:12 AM

[EventId:202312141115_confirmed] Prices for interval 14-Dec-2023 11:15 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 14 December 2023

PRICES ARE NOW CONFIRMED for trading interval 14-Dec-2023 11:15.

In accordance with Market Notice 112305 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
112310PRICES UNCHANGED14/12/2023 11:35:50 AM

[EventId:202312141110_confirmed] Prices for interval 14-Dec-2023 11:10 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 14 December 2023

PRICES ARE NOW CONFIRMED for trading interval 14-Dec-2023 11:10.

In accordance with Market Notice 112304 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
112309PRICES UNCHANGED14/12/2023 11:33:43 AM

[EventId:202312141105_confirmed] Prices for interval 14-Dec-2023 11:05 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 14 December 2023

PRICES ARE NOW CONFIRMED for trading interval 14-Dec-2023 11:05.

In accordance with Market Notice 112302 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
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