Market Notices

AEMO ELECTRICITY MARKET NOTICE

Severe Space Weather Watch Notification 25/03/2024

The Australian Bureau of Meteorology's Space Weather Forecasting Centre has issued the following notification.

Severe space weather watch: A recent space weather event is anticipated to impact the Earth within the next 48 hours.

The effects are expected to be significant.

Increased awareness of critical infrastructure is advised.

Please monitor the SWS website for further updates at https://www.sws.bom.gov.au

If required; actions will be taken as per AEMO's system operating procedure SO_OP3715 Power System Security Guidelines.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 14/03/2024

Refer AEMO Electricity Market Notice 115624

At 1635 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - SA region - 14/03/2024

At 2307 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus tripped.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 March AEMO will:

Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 225 MW to 250 MW

Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 125 MW

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 12/03/2024

At 0249 hrs the Strathmore - Clare South No 7208 132KV Line opened at Strathmore end only.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the SA region - 11/03/2024

The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No.115593 is cancelled at 1945 hrs 11/03/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 11/03/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 1830 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs

The capacity reserve requirement is 498 MW
The minimum capacity reserve available is 255 MW

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): 11th Mar
Mt Gambier Ap (39+ Deg C): 11th Mar
Port Augusta Ap (39+ Deg C): 11th Mar, 12th Mar, 13th Mar

VIC
Mildura Ap (39+ Deg C): 12th Mar

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

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): 9th Mar, 10th Mar
Mt Gambier Ap (39+ Deg C): 9th Mar, 11th Mar
Port Augusta Ap (39+ Deg C): 8th Mar, 9th Mar, 10th Mar, 11th Mar, 12th Mar

TAS
Launceston Ti Tree Bend (33+ Deg C): 10th Mar

VIC
Latrobe Valley Ap (39+ Deg C): 9th Mar, 10th Mar, 11th Mar
Mildura Ap (39+ Deg C): 9th Mar, 10th Mar, 11th Mar, 12th Mar
Mortlake (39+ Deg C): 9th Mar, 11th Mar

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