Market Notices

113064MARKET SYSTEMS05/01/2024 02:37:24 PM

CHG0082511 | Pre-Production | Pre-Prod MSATS 50.0.4 LCCD Defect Release

Change Number: CHG0082511
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: Pre-Prod MSATS 50.0.4 LCCD Defect Release
Change Start Date & Time: 09/01/2024 13:00:00 AEST
Change End Date & Time: 09/01/2024 17:00:00 AEST
Outage Start Date & Time: 09/01/2024 13:00:00 AEST
Outage End Date & Time: 09/01/2024 15:00:00 AEST
Environment: Pre-Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.

Meter data processing and RM reports will not be available during the outage period.

User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.

MSATS B2B Transactions and B2B MSATS Screens will be unavailable during this outage

NMI Discovery will not be available during the outage period.

CDR and CDP will not be available during the outage period.
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 .
113044NON-CONFORMANCE04/01/2024 04:45:12 AM

NON-CONFORMANCE Region QLD1 Thursday, 4 January 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Thursday, 4 January 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: BARCALDN
Duration: 04/01/2024 04:30 to 04/01/2024 04:45
Amount: 9 MW
Constraint: NC-Q_BARCALDN

Auto-generated on behalf of Manager NEM Real Time Operations
113015MARKET SYSTEMS03/01/2024 01:57:46 PM

CHG0082504 | Pre-Production | Removal of support of TLS Version 1.1 and lower

Change Number: CHG0082504
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Market Network
Change Title: Removal of support of TLS Version 1.1 and lower
Change Start Date & Time: 14/02/2024 10:00:00 AEST
Change End Date & Time: 14/02/2024 14:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: Participants using TLS version 1.1 and lower, need to update their servers to use TLSv1.2 as a minimum. Failing to do so would impact the connectivity with AEMO. An outage is not expected but, there may be some minor interruptions during the change period.
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 .
112980GENERAL NOTICE02/01/2024 10:29:09 AM

NEM Local Temperature Alerts for VIC from 02 Jan 2024 to 06 Jan 2024

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

VIC
Mildura Ap (39+ Deg C): 2nd Jan

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
112974GENERAL NOTICE01/01/2024 09:58:53 PM

Update - Lightning vulnerable equipment in QLD region

AEMO ELECTRICITY MARKET NOTICE.

Update - Lightning vulnerable equipment in QLD region

Special Reclassification of Transmission Equipment during lightning

Refer to AEMO Electricity Market Notice 112581 and 112884.

At 1424 hrs 21/12/2023, the Middle Ridge 275 kV circuit breakers 5432 and 5422 tripped. This offloaded the H14 Middle Ridge No.2 and No. 3 275/110 kV transformers

The cause of the trip was identified as due to lightning.

In accordance with SO_OP_3715, AEMO now considers the H14 Middle Ridge No. 2 and No. 3 275/110 kV transformers to be vulnerable due to lightning.

Manager NEM Real Time Operations
112942GENERAL NOTICE31/12/2023 04:00:58 PM

Cancellation of Minimum System Load 1 (MSL1) in the VIC Region on 31/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - MSL1 - VIC Region

Refer Market Notice 112936

The MSL1 condition for 31/12/2023 is cancelled at 1600 hrs 31/12/2023

Manager NEM Real Time Operations
112937NON-CONFORMANCE31/12/2023 10:45:13 AM

NON-CONFORMANCE Region VIC1 Sunday, 31 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Sunday, 31 December 2023

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: GANNSF1
Duration: 31/12/2023 10:25 to 31/12/2023 10:45
Amount: 25 MW
Constraint: NC-V_GANNSF1

Auto-generated on behalf of Manager NEM Real Time Operations
112936GENERAL NOTICE31/12/2023 10:47:14 AM

Minimum System Load 1 (MSL1) in the VIC Region on 31/12/2023

AEMO ELECTRICITY MARKET NOTICE

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1100 hrs 31/12/2023 to 1400 hrs 31/12/2023.
Minimum scheduled demand is forecast to be 1300 MW at 1300 hrs and the secure threshold for the forecast operating conditions is 2,000 MW.
AEMO is seeking a market response.
An insufficient market response may require AEMO to take action or intervene to maintain power system security in Victoria. This may result in action such as the direction of scheduled generation, curtailment of non-scheduled generation, and/or a direction to increase operational demand.

Manager NEM Real Time Operations
112916NON-CONFORMANCE30/12/2023 01:05:12 PM

NON-CONFORMANCE Region NSW1 Saturday, 30 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Saturday, 30 December 2023

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: NEWENSF2
Duration: 30/12/2023 12:50 to 30/12/2023 13:05
Amount: 163 MW
Constraint: NC-N_NEWENSF2

Auto-generated on behalf of Manager NEM Real Time Operations
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