Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Collector WF to Marulan No. 4 330 kV Line - NSW region - 04/02/2025

A planned outage of Collector WF to Marulan No. 4 330 kV Line in the NSW region was scheduled from 0600 hrs 02/02/2025 to 1600 hrs 19/02/2025.

The outage has been completed and Collector WF to Marulan No. 4 330 kV Line returned to service at 1710 hrs 04/02/2025

Constraint set(s) revoked: N-CTMN_4_WG_CLOSE

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 4 February 2025

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

Unit: SWAN_E
Duration: 04/02/2025 15:50 to 04/02/2025 16:00
Amount: 35 MW
Constraint: NC-Q_SWAN_E

Auto-generated on behalf of Manager NEM Real Time Operations

Change Number: CHG0101137

Notification issued to: Market Notice

Notification Type: Completed

Change Type: Normal

Service/Component: Local Area Network

Change Title: Planned Maintenance to Norwest Marketnet Site to Site VPN Router

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

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 4 February 2025

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

Unit: WTAHB1
Duration: 04/02/2025 12:05 to 04/02/2025 12:15
Amount: -57 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations

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.

SA
Port Augusta Ap (39+ Deg C): 6th Feb

TAS
Launceston Ti Tree Bend (33+ Deg C): 4th Feb

VIC
Latrobe Valley Ap (39+ Deg C): 4th Feb
Mildura Ap (39+ Deg C): 4th Feb, 6th Feb

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

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - South Morang - Dederang No.1 330kV line series capacitor - VIC region - 04/02/2025

At 0449 hrs 04/02/2025 there was an unplanned outage of South Morang - Dederang No.1 330kV line series capacitor.

The following constraint set(s) invoked at 0505 hrs 04/02/2025
V-SMSC

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 121468

AEMO and Powerlink are continuing to investigate system strength requirements in North Queensland.
The system normal equations have been revised to remove Gladstone >=1 requirement.

A revision to the constraint equations will be implemented at 1200 hrs on Tuesday 4th February 2025.

The new combinations have now published in a limits advice document on AEMO's website. For more information refer to the new limits advice: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice

This advice contains all the combinations for Queensland for system normal cases. Additional information has been included in the limit advice to clarify the requirement to disconnect all inverters/turbines under certain system conditions.

The constraint equation in the Q-NIL set of the form below will be modified:

-Q_NIL_STRGTH_xxxx
-Q_NIL_STRGTH_xxxx_I

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Monday, 3 February 2025

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

Unit: WTAHB1
Duration: 03/02/2025 10:35 to 03/02/2025 10:40
Amount: -132 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations

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.

SA
Adelaide West Terrace (39+ Deg C): 3rd Feb
Clare High School (39+ Deg C): 3rd Feb
Mt Gambier Ap (39+ Deg C): 3rd Feb
Port Augusta Ap (39+ Deg C): 3rd Feb, 4th Feb, 6th Feb

TAS
Launceston Ti Tree Bend (33+ Deg C): 3rd Feb, 4th Feb

VIC
Mildura Ap (39+ Deg C): 4th Feb, 6th Feb

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