Market Notices

75823RECLASSIFY CONTINGENCY26/05/2020 08:26

Reclassification of a Non Credible Contingency Event: South East No.1 and No.2 275 kV SVCs.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non Credible Contingency Event: South East No.1 and No.2 275 kV SVCs.

AEMO considers the simultaneous trip of the following equipment to now be more likely and reasonably possible. Accordingly, AEMO has reclassified it as a credible contingency event.

Region: SA1

Equipment: South East SVC 1 and SVC 2

Duration: 26/05/2020 08:30 until further notice

Constraint set(s) invoked: NONE

Manager NEM Real Time Operations
75822MARKET INTERVENTION25/05/2020 03:20

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region 25/05/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region 25/05/2020

Refer Market Notices 75818

The AEMO Intervention Event and all associated directions are cancelled from1510 hrs 25/05/2020

Manager NEM Real Time Operations
75820RECLASSIFY CONTINGENCY25/05/2020 12:49

Cancellation - Reclassification of a Non-Credible Contingency Event: Hazelwood Power Station - Yallourn Power Station No. 1 and No. 2 220kV Lines in VIC due to demolition works at Hazelwood Power Station.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation - Reclassification of a non-credible contingency event as a credible contingency event due to demolition works at Hazelwood Power Station.

refer to MN 75816

AEMO no longer considers the simultaneous trip of the following circuits to be likely and reasonably possible. Accordingly AEMO has cancelled the reclassification as a credible contingency event.

Region: VIC

Lines: Hazelwood Power Station - Yallourn Power Station No. 1 and No. 2 220kV Lines

Duration:1030 hrs 25 May 2020 to 1250 hrs 25/05/2020

Constraint set(s) invoked: V-HWYP_R_N-2

Manager NEM Real Time Operations
75819RECLASSIFY CONTINGENCY25/05/2020 12:49

Cancellation - Reclassification of a Non-Credible Contingency Event: Hazelwood Power Station - Rowville No. 1 and No. 2 220kV lines in VIC due to demolition works at Hazelwood Power Station.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation - Reclassification of a non-credible contingency event as a credible contingency event due to demolition works at Hazelwood Power Station.

Refer to MN 75815

AEMO no longer considers the simultaneous trip of the following circuits to be more likely and reasonably possible.
Accordingly AEMO has cancelled the reclassification as a credible contingency event.

Region: VIC

Lines: Hazelwood Power Station - Rowville No. 1 and No. 2 220kV lines

Duration:1030 hrs 25 May 2020 to 1250 hrs 25/05/2020
Constraint set(s) invoked: V-HWRO_R_N-2

Manager NEM Real Time Operations
75818MARKET INTERVENTION25/05/2020 11:46

Direction - SA region - 25/05/2020

AEMO ELECTRICITY MARKET NOTICE.

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 1115 hrs on 25/05/2020.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
75816RECLASSIFY CONTINGENCY25/05/2020 08:57

Reclassification of a Non-Credible Contingency Event: Hazelwood Power Station - Yallourn Power Station No. 1 and No. 2 220kV Lines in VIC due to demolition works at Hazelwood Power Station.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to demolition works at Hazelwood Power Station..

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: VIC

Lines: Hazelwood Power Station - Yallourn Power Station No. 1 and No. 2 220kV Lines

Duration:1030 hrs 25 May 2020 until further notice

Constraint set(s) invoked: V-HWYP_R_N-2

Manager NEM Real Time Operations
75815RECLASSIFY CONTINGENCY25/05/2020 08:56

Reclassification of a Non-Credible Contingency Event: Hazelwood Power Station - Rowville No. 1 and No. 2 220kV lines in VIC due to demolition works at Hazelwood Power Station.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to demolition works at Hazelwood Power Station..

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: VIC

Lines: Hazelwood Power Station - Rowville No. 1 and No. 2 220kV lines

Duration:1030 hrs 25 May 2020 until further notice

Constraint set(s) invoked: V-HWRO_R_N-2

Manager NEM Real Time Operations
75814RESERVE NOTICE25/05/2020 06:07

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the Tasmania Region on 25/05/2020


AEMO ELECTRICITY MARKET NOTICE

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

From 0900hrs 25/05/2020 to 0930 hrs 25/05/2020

The forecast capacity reserve requirement is 720 MW.
The minimum capacity reserve available is 709 MW.

Manager NEM Real Time Operations
75813RESERVE NOTICE25/05/2020 01:19

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the Tasmania Region on 25/05/2020

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the Tasmania region advised in AEMO Electricity Market Notice No. 75812 is cancelled at 0110 hrs 25/05/2020.

Manager NEM Real Time Operations
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