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Update - Vulnerable lines in TAS region.
Vulnerable lines in TAS region.
Refer to AEMO Electricity Market Notice 112248.
At 1324 hrs 13/12/2023 the Hadspen - Palmerston No.3 & No.4 110 kV lines tripped and auto reclosed.
The cause of trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Hadspen - Palmerston No.3 & No.4 110 kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 13/12/2023
Non-credible contingency event - TAS region - 13/12/2023
At 1324 hrs the Hadspen - Palmerston No.3 & No.4 110 kV lines 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
Fast Frequency Response Market - Increase in R1 FCAS volume 18 December 2023.
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 December AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 175 MW to 225 MW
Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 100 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
NEM Local Temperature Alerts for QLD from 13 Dec 2023 to 17 Dec 2023
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.
QLD
Dalby Ap (37+ Deg C): 17th 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
Network Augmentation Commissioned - SA Region - 12/12/2023
Network Augmentation Commissioned - SA Region - 12/12/2023
Commissioned: Robertstown - Bundey No. 2 275 kV Line
Manager NEM Real Time Operations
Request for Generator Recall Information for 14/12/2023 for QLD Region
Refer to AEMO Electricity Market Notice no. 112198. Additional generation in QLD could assist in alleviating the forecast LOR condition in NSW.
Please provide Generator Recall Information for the period 14/12/2023, by 1200 hrs on 13/12/2023 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.
SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf
Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf
AEMO Operations
Request for Generator Recall Information for 14/12/2023 for NSW Region
Refer to AEMO Electricity Market Notice no. 112198.
Please provide Generator Recall Information for the period 14/12/2023, by 1200 hrs on 13/12/2023 via the Generator Recall communication system, in accordance with clause 4.8.5A of the National Electricity Rules.
SO_OP_3719 Procedure for Submitting Generator Outage Recall Information is available at:
https://aemo.com.au/-/media/files/electricity/nem/security_and_reliability/power_system_ops/procedures/so_op_3719-procedure-for-submitting-recall-information-scheduled-generator-outages.pdf
Procedure on how to use Generator Recall in the EMMS Markets Portal is available at
http://www.aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2018/Guide-to-Generator-Recall-Plans.pdf
AEMO Operations
Update - Non-credible contingency event - SA region - 11/12/2023
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112181
At 1554 hrs the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) revoked:
S-X-MNWT+CB
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
NEM Local Temperature Alerts for VIC from 11 Dec 2023 to 15 Dec 2023
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): 12th 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