Market Notices

112008GENERAL NOTICE05/12/2023 11:02:22 AM

NEM Local Temperature Alerts for NSW, SA, VIC from 05 Dec 2023 to 09 Dec 2023

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.

NSW
Mudgee Ap (39+ Deg C): 7th Dec, 8th Dec, 9th Dec

SA
Port Augusta Ap (39+ Deg C): 6th Dec, 7th Dec, 8th Dec

VIC
Mildura Ap (39+ Deg C): 5th Dec, 7th Dec, 8th Dec

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
112007MARKET INTERVENTION05/12/2023 11:04:30 AM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 111998

The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 06/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112003INTER-REGIONAL TRANSFER04/12/2023 04:44:47 PM

Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.

Murraylink power transfer limit has been reduced based on APA advice, consistent with the high ambient temperatures in the vicinity of Murraylink (Berri and Redcliffe).

Constraint sets I-SVML_165 and I-VSML_165 invoked from 1640 hrs.

The constraint set contains equations with the following interconnector on the LHS:

V-S-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
111998MARKET INTERVENTION04/12/2023 03:36:33 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 111991

The synchronous generating units currently expected to be synchronised in SA from 0100 hrs 06/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
111994MARKET INTERVENTION04/12/2023 03:30:04 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 03/12/2023

Refer Market Notice 111957

The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 04/12/2023

Manager NEM Real Time Operations
111991MARKET INTERVENTION04/12/2023 12:37:51 PM

Possible intervention to manage power system security in SA Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 0750 hrs 05/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
111987GENERAL NOTICE04/12/2023 01:56:50 PM

NEM Local Temperature Alerts for NSW, SA, VIC from 04 Dec 2023 to 08 Dec 2023

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.

NSW
Mudgee Ap (39+ Deg C): 7th Dec, 8th Dec

SA
Clare High School (39+ Deg C): 7th Dec
Port Augusta Ap (39+ Deg C): 6th Dec, 7th Dec

VIC
Mildura Ap (39+ Deg C): 5th Dec, 7th Dec, 8th Dec

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
111971INTER-REGIONAL TRANSFER03/12/2023 04:38:17 PM

Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - H2 South Pine 275kV SVC - QLD region - 03/12/2023

At 1626 hrs 03/12/2023 there was an unplanned outage of H2 South Pine 275kV SVC.

The following constraint set(s) invoked at 1630 hrs 03/12/2023
Q-SP_VC

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1 - QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
111968MARKET INTERVENTION03/12/2023 04:26:54 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 02/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 02/12/2023

Refer Market Notice 111935

The AEMO Intervention Event and all associated directions are cancelled from 1630 hrs 03/12/2023

Manager NEM Real Time Operations
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