Market Notices

116453MARKET INTERVENTION03/05/2024 04:14:37 PM

Direction - SA region 03/05/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 03/05/2024

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 1605 hrs on 03/05/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
116450MARKET INTERVENTION03/05/2024 02:35:32 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 116449

The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 04/05/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 03/05/2024, 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
     
116449MARKET INTERVENTION03/05/2024 01:04:39 PM

Possible intervention to manage power system security in SA Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 04/05/2024 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
     
116434MARKET INTERVENTION02/05/2024 02:58:53 PM

Cancellation - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Possible intervention to manage power system security in SA region 03/05/2024

Refer Market Notice 116431

AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1500 hrs 02/05/2024.

Manager NEM Real Time Operations
     
116432RECLASSIFY CONTINGENCY02/05/2024 01:45:50 PM

Cancellation of the reclassification of a Non-Credible contingency event: Farrell - Sheffield Nos 1 and 2 220kV Lines line in TAS due to Bushfire.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event due to Bushfire. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any non credible event activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS

Lines: Farrell - Sheffield Nos 1 and 2 220kV Lines
Cancellation time: 13:45 hrs 02/05/2024

Constraint set(s) revoked:
T-FASH_N-2_CP4_SB
T-NIL_WCP_CLOSE

Refer AEMO Electricity Market Notice 116427

Manager NEM Real Time Operations
     
116431MARKET INTERVENTION02/05/2024 01:07:46 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 116413

The synchronous generating units currently expected to be synchronised in SA from 0830 hrs 03/05/2024 will be inadequate to maintain a secure operating state in SA .
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
     
116430MARKET INTERVENTION02/05/2024 02:00:04 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 01/05/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 01/05/2024

Refer Market Notice 116398

The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 02/05/2024

Manager NEM Real Time Operations
     
116427RECLASSIFY CONTINGENCY02/05/2024 11:29:39 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and 2 220kV Lines in TAS due to Bushfire.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Bushfire. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: TAS

Lines: Farrell - Sheffield No. 1 and 2 220kV Lines

Duration:11:35 hrs 02/05/2024 until further notice

Constraint set(s) invoked:
T-NIL_WCP_CLOSE
T-FASH_N-2_CP4_SB

Manager NEM Real Time Operations
     
116425PRICES UNCHANGED02/05/2024 08:59:53 AM

[EventId:202405020835_confirmed] Prices for interval 02-May-2024 08:35 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0855 hrs on 2 May 2024

PRICES ARE NOW CONFIRMED for trading interval 02-May-2024 08:35.

In accordance with Market Notice 116415 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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