Market Notices

Change Number: CHG0101145
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Internet Access

Change Title: Planned Maintenance to Norwest Internet Router
Change Start Date & Time: 15/02/2025 10:00:00 AEST
Change End Date & Time: 15/02/2025 15:00:00 AEST
Outage Start Date & Time: 15/02/2025 11:00:00 AEST
Outage End Date & Time: 15/02/2025 13:00:00 AEST
Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned outage:

IPWAN Participants - Nil

Lan-2-Lan VPN Participants (IPSEC) - Up to 1 Hour outage for participants who have established their VPN connection/s via the AEMO NSW datacenter termination point (202.44.78.10 for Policy Based VPN and 202.44.78.12 for Route Based VPN) only - All L2L connections should be established to both QLD / NSW.

B2B VPN - Up to 1 hour outage to TNSPs with B2B VPN to AEMO NSW Datacentre if VPN connection is only terminating in NSW only.

SSL VPN Participants: None expected as DNS entry will be updated to remove NSW IP.

GASHUB: Nil

Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO QLD datacenter termination point 202.44.76.10 for Policy Based VPN and 202.44.76.12 for Route Based VPN) prior to this scheduled outage.

*** Failure to do so will impact connectivity to Marketnet Services. ***

Other Impacts will have been communicated in advance.
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/participantportal?id=pp_services_status for any
planned/unplanned maintenance activities .

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: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Duration: 07/02/2025 14:02 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 124290 has been updated to the following:

[1.] From 1630 hrs 07/02/2025 to 1900 hrs 07/02/2025.

The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1034 MW.

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: 07/02/2025 11:29 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: VIC1

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

Cancellation time: 07/02/2025 10:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 124291

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: 07/02/2025 09:48 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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


[1.] From 1730 hrs 07/02/2025 to 1900 hrs 07/02/2025.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1185 MW.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 124287 is cancelled at 0415 hrs 07/02/2025.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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


[1.] From 1700 hrs 07/02/2025 to 1900 hrs 07/02/2025.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1121 MW.


Manager NEM Real Time Operations