Market Notices

83144MARKET INTERVENTION07/03/2021 05:32:12 PM

Direction - SA region 07/03/2021

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 07/03/2021

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 dispatch intervals during the event to be intervention dispatch intervals, commencing from the interval ending 1735 hrs on 07/03/2021.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
83141MARKET INTERVENTION07/03/2021 05:00:09 PM

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 25/02/2021

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 25/02/2021

Refer Market Notice 83044

The AEMO Intervention Event and all associated directions are cancelled from 1700 hrs 07/03/2021

Manager NEM Real Time Operations
     
83140MARKET INTERVENTION07/03/2021 03:06:14 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 expected to be synchronised in SA from 0900 hrs 08/03/2021 in Pre-dispatch published at 1500 hrs 07/03/2021 are inadequate to maintain sufficient system strength in SA and hence a secure operating state.

AEMO currently estimates that, in the absence of sufficient market response by 1800 hrs 07/03/21, 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
     
83135RECLASSIFY CONTINGENCY06/03/2021 04:30:54 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event as a Credible Contingency: H79 Yuleba North 132 kV bus (Qld region) - 04/03/2021

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event as a Credible Contingency: H79 Yuleba North 132 kV bus (Qld region) - 04/03/2021

AEMO considers the trip of the H79 Yuleba North 132 kV bus is no longer reasonably possible. Accordingly, its classification has reverted to a non-credible contingency event.

Region: QLD1

Cancellation time: 06/03/2021 16:30

Constraint set(s) revoked: NONE

Refer AEMO Electricity Market Notice 83111, 83112

Manager NEM Real Time Operations
     
83134GENERAL NOTICE06/03/2021 12:25:16 PM

Network Augmentation Deommissioned - NSW Region - 02/03/2021

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Deommissioned - NSW Region - 02/03/2021

The Marulan 330/132kV No. 4 Transformer was decommissioned at 1030 hrs 2/03/2021.

Manager NEM Real Time Operations
     
83133INTER-REGIONAL TRANSFER06/03/2021 07:23:37 AM

Inter-regional transfer limit variation - Rowville - South Morang 500 kV Line - Vic region - 06/03/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Rowville - South Morang 500 kV Line - Vic region - 06/03/2021

The planned outage of the Rowville - South Morang 500 kV Line has been cancelled.

The following constraint set was invoked from 0645 hrs to 0705 hrs 06/03/2021
V-ROSM

This constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
V-S-MNSP1
V-SA
VIC1- NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
83132NON-CONFORMANCE06/03/2021 07:20:15 AM

NON-CONFORMANCE Region NSW1 Saturday, 6 March 2021

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Saturday, 6 March 2021

AEMO declared a schedule generating unit non-conforming

Unit: VP5
Duration: 06/03/2021 07:15 to 06/03/2021 07:20
Amount: -22 MW
Constraint: NC-N_VP5

Auto-generated on behalf of Manager NEM Real Time Operations
     
83131PRICES UNCHANGED05/03/2021 07:09:43 PM

[EventId:202103051845_confirmed] Prices for interval 05-Mar-2021 18:45 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1905 hrs on 5 March 2021

PRICES ARE NOW CONFIRMED for dispatch interval 05-Mar-2021 18:45.

In accordance with Market Notice 83121 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
     
83130PRICES UNCHANGED05/03/2021 07:08:56 PM

[EventId:202103051905_confirmed] Prices for interval 05-Mar-2021 19:05 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1905 hrs on 5 March 2021

PRICES ARE NOW CONFIRMED for dispatch interval 05-Mar-2021 19:05.

In accordance with Market Notice 83125 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
     
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