Market Notices

117217RESERVE NOTICE27/06/2024 03:07:18 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117202 is cancelled at 1400 hrs 27/06/2024.

No LOR condition is currently forecast in the STPASA period.

AEMO Operations
117216RESERVE NOTICE27/06/2024 03:06:07 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 01/07/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 117201 is cancelled at 1400 hrs 27/06/2024.

No LOR condition is currently forecast in the STPASA period.

AEMO Operations
117214MARKET INTERVENTION27/06/2024 12:47:38 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 117208

The synchronous generating units currently expected to be synchronised in SA from 1000 hrs 28/06/2024 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
117212RECLASSIFY CONTINGENCY27/06/2024 10:09:04 AM

Update - Non-credible contingency event - NSW region - 27/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 27/06/2024

Refer AEMO Electricity Market Notice 117210

The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: NSW

Elements: Sydney West No.1 330 kV SVC and any single Sydney West 330/132 kV transformer
Duration: 0944 hrs 27/06/2024 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
117211RECLASSIFY CONTINGENCY27/06/2024 09:19:05 AM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

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

Region: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 27/06/2024 09:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117209

Auto-generated on behalf of Manager NEM Real Time Operations
117209RECLASSIFY CONTINGENCY27/06/2024 08:17:30 AM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. 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: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 27/06/2024 08:17 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
117208MARKET INTERVENTION27/06/2024 06:28:57 AM

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 0100 hrs 28/06/2024 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
117207MARKET INTERVENTION26/06/2024 03:08:40 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/06/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 25/06/2024

Refer Market Notice 117154

The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs 26/06/2024

Manager NEM Real Time Operations
117203RESERVE NOTICE26/06/2024 03:32:26 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:

1. From 0800 hrs to 0900 hrs 03/07/2024.
The forecast capacity reserve requirement is 532 MW.
The minimum capacity reserve available is 505 MW.

2. From 1730 hrs to 2030 hrs 03/07/2024.
The forecast capacity reserve requirement is 526 MW.
The minimum capacity reserve available is 496 MW.

AEMO Operations
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