Market Notices

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 - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Cancellation time: 26/11/2021 20:08

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92761

Auto-generated on behalf of Manager NEM Real Time Operations

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: NSW1

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

Duration: 26/11/2021 19:41 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

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: 26/11/2021 19:23

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 92771

Auto-generated on behalf of Manager NEM Real Time Operations

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: NSW1

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

Duration: 26/11/2021 17:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

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: 26/11/2021 16:51 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO MARKET NOTICE

Refer to market notice 92718

AEMO has published 15 new generator combinations for four synchronous condenser operation in South Australia.

These new 15 combinations (as well as the 6 published previously) apply under system normal, risk of islanding and SA island conditions.

For more details on the new combinations please refer to the updated limits advice (which was been published today):
https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice

For further details please contact ben.blake@aemo.com.au

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

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

From 1800 hrs 30/11/2021 to 2000 hrs 30/11/2021.
The forecast capacity reserve requirement is 449 MW.
The minimum capacity reserve available is 349 MW.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 26/11/2021

Refer AEMO Electricity Market Notice 92744

Constraint set CA_BRIS_50B292E2 was revoked at 1440 hrs 26/11/21.

This constraint set contains equations with the following interconnector on the LHS;

VIC1-NSW1
V-S-MNSP1

Manager NEM Real Time Operations

Change Number: CHG0071347

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Meter Data Management

Change Title: MSATS - EMDM Pre-Production Release

Change Start Date & Time: 30/11/2021 12:30:00 AEST

Change End Date & Time: 30/11/2021 17:00:00 AEST

Outage Start Date & Time: 30/11/2021 12:30:00 AEST

Outage End Date & Time: 30/11/2021 14:30:00 AEST

Environment: Pre-Production

Participant Impact and Requirements:

There will be no access to the Pre-Production MSATS system for the duration of the outage. Please access outside these hours.

Support Information:

Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.

Please refer to https://aemo.service-now.com/participantportalid=pp_services_status for any planned/unplanned maintenance activities .