Market Notices

108747RESERVE NOTICE26/06/2023 05:41:37 AM

STPASA - Update of the Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 27/06/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR3 condition in the SA region advised in AEMO Electricity Market Notice No. 108740 has been updated at 0530 hrs to the following:

From 1800 hrs 27/06/2023 to 1930 hrs 27/06/2023.
The maximum load (other than interruptible loads) forecast to be interrupted is 43 MW at 1830 hrs.
.
AEMO is seeking a market response.

AEMO estimates the latest time it would need to intervene through an AEMO intervention event is 0600 hrs on 27/06/2023.

Manager NEM Real Time Operations
108740RESERVE NOTICE25/06/2023 10:44:08 PM

STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 27/06/2023

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:

From 1800 hrs 27/06/2023 to 1900 hrs 27/06/2023.
The maximum load (other than interruptible loads) forecast to be interrupted is 5 MW at 1830 hrs.

AEMO is seeking a market response.

AEMO estimates the latest time it would need to intervene through an AEMO intervention event is 0600 hrs on 27/06/2023.

Manager NEM Real Time Operations
108729RESERVE NOTICE25/06/2023 08:28:49 AM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 27/06/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR3 condition in the SA region advised in AEMO Electricity Market Notice No. 108727 is cancelled at 0800 hrs 25/06/2023.

Manager NEM Real Time Operations
108727RESERVE NOTICE24/06/2023 10:47:54 PM

STPASA - Forecast Lack Of Reserve Level 3 (LOR3) in the SA Region on 27/06/2023

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR3 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:

[1.] From 1800 hrs 27/06/2023 to 2000 hrs 27/06/2023.
The maximum load (other than interruptible loads) forecast to be interrupted is 108 MW at 1830 hrs.

AEMO is seeking a market response.

AEMO estimates the latest time it would need to intervene through an AEMO intervention event is 0600 hrs on 27/06/2023.

Manager NEM Real Time Operations
107205CONSTRAINTS03/04/2023 01:42:00 PM

Tasmanian Regulation FCAS changes - Wednesday 5th April 2023

AEMO ELECTRICITY MARKET NOTICE

AEMO are changing the procurement of Regulation FCAS for the TAS region.

This change is based on advice received from TasNetworks, following a review of operation of the TAS region with the end of the reclassification of Basslink.

Refer to AEMO Electricity market notice 105443.

Following this change Regulation FCAS requirements for the TAS region will only be procured from within TAS.

This change will be implemented from 1000 on Wed 5th April.

Ben Blake
Manager Congestion & Grid Modelling
106855CONSTRAINTS21/03/2023 08:14:08 AM

Update to Victorian system normal constraint equations ID

AEMO ELECTRICITY MARKET NOTICE

AEMO has been conducting major review of thermal constraint equations for preparation of completion of VNI East project. As part of the review, AEMO is going to update the constraint equations IDs to use the new standard format of below (this is the same standard now used in NSW):

V>>[OUTAGE]_[MONITORING ELEMENT]_[CONTINGENCY ELEMENT]

This is to improve the simplicity and readability of a thermal constraint equation ID.

Constraint equations ID in sets V-NIL and V-NIL_BATS_BETS_15M will be updated to the new format on Thursday 23rd March 2023 at 1000 hrs. The previous used constraint equations ID will be included in the Modification field of the constraint equation for reference.

The changes have now been implemented into AEMO's pre-production system.

Terry Liu
AEMO Operations
106643CONSTRAINTS15/03/2023 12:39:32 PM

Updated NSW system normal voltage stability limit

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 105936?

The Murraylink Very Fast Runback (VFRB) scheme was modified to increase the capacity of the network due to the increase in generation in the area. The scheme was changed so Murraylink VFRB could be activated / de-activated depending on the time of day on the monitored 220kV lines in north-west Victoria.?

Transgrid has advised AEMO on a revision to the X5 voltage collapse limit with this change to VFRB. This will now be managed by two limits.?

The following constraint equation changes will be implemented at 0900 hrs on Thursday 16th March 2023:
N^^N_NIL_X5_BEKG (replaces N^^N_NIL_3)
N^^N_NIL_X5_BESH (new)?

For full details on the factors on constraint equations and all the constraint equation changes - these have now been loaded into AEMO's pre-production systems.?

Ben Blake
AEMO Operations

106503RECALL GEN CAPACITY13/03/2023 10:42:16 AM

Request for Generator Recall Information for 16/03/2023 for NSW Region

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Electricity Market Notice 106497.

Please provide Generator Recall Information for 16/03/2023 by 1100 hrs AEST on 14/03/2023 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.

SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://www.aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf

Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf

AEMO Operations
106502RECALL GEN CAPACITY13/03/2023 10:41:14 AM

Request for Generator Recall Information for 16/03/2023 for QLD Region

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Electricity Market Notice 106498.

Please provide Generator Recall Information for 16/03/2023 by 1100 hrs AEST on 14/03/2023 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.

SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://www.aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf

Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf

AEMO Operations
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