Market Notices

Change Number: CHG0090631

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Internet Access

Change Title: Planned Maintenance to Norwest Internet firewall.

Change Start Date & Time: 18/06/2024 20:00:49 AEST

Change End Date & Time: 18/06/2024 23:30:49 AEST

Outage Start Date & Time:

Outage End Date & Time:

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) - Nil

B2B VPN - May experience a short 5-10 second drop of VPN tunnel connectivity to Norwest DC.

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 prior to this scheduled outage.

SSL VPN Participants: Nil

GASHUB: Nil

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

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

[1.] From 0800 hrs 20/06/2024 to 0830 hrs 20/06/2024.
The forecast capacity reserve requirement is 1750 MW.
The minimum capacity reserve available is 1358 MW.

[2.] From 1730 hrs 20/06/2024 to 1900 hrs 20/06/2024.
The forecast capacity reserve requirement is 1750 MW.
The minimum capacity reserve available is 1586 MW.


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: QLD1

Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 19/06/2024 07:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117063

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: QLD1

Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 19/06/2024 07:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117062

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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 19/06/2024 06:20 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 19/06/2024 06:20 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. 117048 is cancelled at1845 hrs 18/06/2024

Manager NEM Real Time Operations

Change Number: CHG0090782

Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Short Term Trading Market
Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.

Change Start Date & Time: 26/06/2024 09:00:00 AEST
Change End Date & Time: 26/06/2024 22:00:00 AEST
Outage Start Date & Time: 26/06/2024 18:30:00 AEST
Outage End Date & Time: 26/06/2024 21:00:00 AEST

Environment: Production
Participant Impact and Requirements: Gas Short Term Trading Market (STTM) services including SWEX and MIS, SPI and SBS will not be available during the outage window in Production.

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

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No.117046 has been updated at 1615 hrs to the following:

[1.] From 1730 hrs 19/06/2024 to 1930 hrs 19/06/2024.
The forecast capacity reserve requirement is 1750 MW.
The minimum capacity reserve available is 1521 MW.

Manager NEM Real Time Operations