Market Notices

80879MARKET INTERVENTION07/12/2020 01:38:49 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 08/12/2020 to 1600 hrs 08/12/2020 in Pre-dispatch published at 1330 hrs 07/12/2020 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 07/12/2020, 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
80688MARKET INTERVENTION04/12/2020 11:31:37 AM

Direction - SA Region - 04/12/2020

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA Region - 04/12/2020

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 1105 hrs on 04/12/2020.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations




80682MARKET INTERVENTION04/12/2020 09:02:47 AM

Update - Possible intervention to manage power system security in South Australia (SA) Region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in South Australia (SA) Region

Refer to AEMO Electricity Market Notice 80673

The synchronous generating units expected to be synchronised in SA from 2330 hrs 04/12/2020 to 0400 hrs 08/12/2020 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 1100 hrs 04/12/2020, 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



80673MARKET INTERVENTION03/12/2020 03:30:11 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 combination of synchronous generating units currently expected to be synchronised in SA from 0000 hrs 05/12/2020 will not provide sufficient system strength in SA to maintain the power system in a secure operating state.

In the absence of sufficient market response AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised from 0100 hrs 05/12/2020 to maintain power system security in SA.

If necessary, AEMO will estimate and publish the latest time at which AEMO would need to intervene after the 1230 hrs predispatch run on the 04/12/2020

Manager NEM Real Time Operations
80669MARKET INTERVENTION03/12/2020 10:28:20 AM

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 02/12/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 02/12/2020

Refer Market Notice 80645

The AEMO Intervention Event and all associated directions are cancelled from 1000 hrs 03/12/2020

Manager NEM Real Time Operations

80645MARKET INTERVENTION02/12/2020 05:51:29 PM

Direction - SA Region - 02/12/2020

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA Region - 02/12/2020

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 1805 hrs on 02/12/2020.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
80643MARKET INTERVENTION02/12/2020 03:52:11 PM

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 02/12/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 02/12/2020

Refer Market Notice 80607

The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 02/12/2020

Manager NEM Real Time Operations
80636MARKET INTERVENTION02/12/2020 01:47:57 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 03/12/2020 to 1530 hrs 03/12/2020 in Pre-dispatch published at 1330 hrs 02/12/2020 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 02/12/2020, 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
80618MARKET INTERVENTION02/12/2020 04:02:54 AM

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 02/12/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 02/12/2020

Refer Market Notice 80514

The AEMO Intervention Event and all associated directions are cancelled from 0400 hrs 02/12/2020

Manager NEM Real Time Operations
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