Market Notices

83023RECLASSIFY CONTINGENCY24/02/2021 07:29:39 PM

Cancellation of a Non-Credible Contingency Event: Collinsville Nth-Clare Sth Tee King Creek 7128 132kV line and Strathmore-Clare South 7208 132kV line in QLD1 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: QLD1

Lines: Collinsville Nth-Clare Sth Tee King Creek 7128 132kV and Strathmore-Clare South 7208 132kV

Cancellation time: 24/02/2021 19:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 83016

Auto-generated on behalf of Manager NEM Real Time Operations
83022RECLASSIFY CONTINGENCY24/02/2021 06:19:35 PM

Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 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: QLD1

Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Cancellation time: 24/02/2021 18:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 83014

Auto-generated on behalf of Manager NEM Real Time Operations
83021NON-CONFORMANCE24/02/2021 06:10:16 PM

NON-CONFORMANCE Region VIC1 Wednesday, 24 February 2021

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Wednesday, 24 February 2021

AEMO declared a schedule generating unit non-conforming

Unit: BALBG1
Duration: 24/02/2021 17:30 to 24/02/2021 18:10
Amount: -30 MW
Constraint: NC-V_BALBG1

Auto-generated on behalf of Manager NEM Real Time Operations
83020RECLASSIFY CONTINGENCY24/02/2021 05:54:38 PM

Cancellation of a Non-Credible Contingency Event: Lismore - Dunoon 9U6 132kV line and Lismore - Dunoon 9U7 132kV line in NSW1 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: NSW1

Lines: Lismore - Dunoon 9U6 132kV and Lismore - Dunoon 9U7 132kV

Cancellation time: 24/02/2021 17:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 83009

Auto-generated on behalf of Manager NEM Real Time Operations
83018RECLASSIFY CONTINGENCY24/02/2021 05:34:35 PM

Cancellation of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 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: QLD1

Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Cancellation time: 24/02/2021 17:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 83017

Auto-generated on behalf of Manager NEM Real Time Operations
83017RECLASSIFY CONTINGENCY24/02/2021 04:31:54 PM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 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: QLD1

Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 24/02/2021 16:31 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
83016RECLASSIFY CONTINGENCY24/02/2021 04:24:35 PM

Reclassification of a Non-Credible Contingency Event: Collinsville Nth-Clare Sth Tee King Creek 7128 132kV line and Strathmore-Clare South 7208 132kV line in QLD1 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: QLD1

Lines: Collinsville Nth-Clare Sth Tee King Creek 7128 132kV and Strathmore-Clare South 7208 132kV

Duration: 24/02/2021 16:24 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
83015MARKET SYSTEMS24/02/2021 02:35:42 PM

CHG0063148:EMMS Maintenance activity

Market Notice

Change Number: CHG0063148

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: EMMS Maintenance activity

Change Start Date & Time: 04/03/2021 09:30:00 AEST

Change End Date & Time: 04/03/2021 14:30:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Change Description:

Maintenance is performed on the EMMS Production environment, specifically relating to the Bidding Service.

Environment: Production

Participant Impact and Requirements:

The maintenance activity is not expected to have any impact on the production environment, and therefore if any issue is identified after the maintenance activity it should be reported to AEMO Support Hub.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
83014RECLASSIFY CONTINGENCY24/02/2021 02:14:52 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 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: QLD1

Lines: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Duration: 24/02/2021 14:14 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
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