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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 01/07/2021 02:59

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 87779

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: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 01/07/2021 01:55 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: VIC1

Lines: Dederang - Glenrowan No.1 & No.3 220 kV Lines and Numurkah Solar Farm

Duration: 30/06/2021 23:59 until further notice

Constraint set(s) invoked:
V-NIL_DDGN_NSF_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Directlink DC2 Cable - NSW region - 30/06/2021


A planned outage of Directlink DC2 Cable in the NSW region was scheduled from 0515 hrs 19/06/2021 to 1600hrs 02/07/2021.

The outage has been completed and Directlink DC2 Cable returned to service at 1410 hrs 30/06/2021


Constraint set(s) revoked: N-X_MBTE_2


This constraint set(s) contains equations with the following interconnectors on the LHS.

N-Q-MNSP1


Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

Change Number: CHG0065198

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Voice Systems

Change Title: Telco Outage Notification - TELSTRA Brisbane Indial (07 3347 XXXX-XXXX) (Telstra ref: 3437720)

Change Start Date & Time: 21/07/2021 01:00:00 AEST

Change End Date & Time: 21/07/2021 06:00:00 AEST

Outage Start Date & Time: 21/07/2021 01:00:00 AEST

Outage End Date & Time: 21/07/2021 06:00:00 AEST

Change Description:

Telco Outage Notification - Telstra Brisbane Indial (07 3347 XXXX-XXXX)

Environment: Production

Participant Impact and Requirements:

Outage Duration:
1 x 2.5 hours during the window

Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Norwest).


Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0065197

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Market VPN

Change Title: Telco Outage Notification - Telstra MarketNet IP WAN - QLD (Telstra ref: 3437720)

Change Start Date & Time: 21/07/2021 00:00:00 AEST

Change End Date & Time: 21/07/2021 06:00:00 AEST

Outage Start Date & Time: 21/07/2021 00:00:00 AEST

Outage End Date & Time: 21/07/2021 06:00:00 AEST

Change Description:

Planned Maintenance Affecting the AEMO MarketNet IPWAN Access.

Environment: Production

Participant Impact and Requirements:

The following impacts are expected to participant connectivity during this planned outage:-
o IPWAN Participants - loss of redundancy for 1 x 2.5 hours
o L2L VPN Participants - nil
o Remote Access VPN Participants - nil

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0065194

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Voice Systems

Change Title: Telco Outage Notification - TELSTRA Melbourne Indial (03 9609 XXXX-XXXX) (Telstra ref: 3432271)

Change Start Date & Time: 07/07/2021 01:00:00 AEST

Change End Date & Time: 07/07/2021 06:00:00 AEST

Outage Start Date & Time: 07/07/2021 01:00:00 AEST

Outage End Date & Time: 07/07/2021 06:00:00 AEST

Change Description:

Telco Outage Notification - Telstra Melbourne Indial (03 9609 XXXX-XXXX)

Environment: Production

Participant Impact and Requirements:

Outage Duration:
3 x 15 minutes during the window

Impacts:
Reduced redundancy for Inbound and Outbound Calls (automatically rerouted via Perth).


Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 29/06/2021

The Actual LOR1 Condition in the NSW region advised in AEMO Electricity Market Notice No.87772 is cancelled at 1815 hrs 29/06/2021.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 29/06/2021

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1740 hrs.

The Actual LOR1 condition is forecast to exist until 1800 hrs.

The capacity reserve requirement is 1410 MW

The minimum capacity reserve available is 1406 MW

Manager NEM Real Time Operations