Market Notices

AEMO ELECTRICITY MARKET NOTICE

At 1905 hrs 15/02/2024 in the Victoria region interim work was completed at Moorabool and Sydenham terminal stations to provide additional 500 kV bus ties.

As a result of this completed work the South Australia region is no longer on a credible risk of separation.

Constraint set changes.

Invoked:
V-X_MLSY_MLTS_TIE

Revoked:

F-V-X_ML_BUSTIE_500
I-VS_050
S-X_BC_CP
V-X_MLSY

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1
Rfer Market Notices 114577, 114768, 114686

Refer to the AEMO Network Outage Scheduler for further information.

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): 17th Feb, 18th Feb, 19th Feb

VIC
Mildura Ap (39+ Deg C): 18th Feb, 19th 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

Refer to market notice 114415

There is an opportunity for testing QNI Minor for flows from NSW to Qld up to 750 MW on Wednesday 15th February 2024 from 0730 to 1500hrs.

This test includes a trip and reclose of a line in northern NSW.

Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1452 hrs on 14 February 2024

PRICES ARE NOW CONFIRMED for trading interval 13-Feb-2024 13:20.

In accordance with Market Notice 114583 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
- Over-Constrained Dispatch has been resolved for dispatch interval

Changed Prices ($/MWh)

TYPE
Region Original Adjusted
Price Price
ENERGY
NSW1 -$38.41 -$35.04
QLD1 -$40.60 -$36.57
LOWERREG
TAS1 $16,600.00 $9.88
RAISEREG
TAS1 $16,600.00 $150.68


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE.

Update - Lightning vulnerable lines in TAS region
Refer to AEMO Electricity Market Notice 114647 and 114734
At 1602 hrs 13/02/2024 the Norwood - Scottsdale 110kV line and the Norwood - Scottsdale - Derby 110kV line tripped.
The cause of the trip was identified as due to Lightning.
In accordance with SO_OP_3715, AEMO now considers the Norwood - Scottsdale 110kV line and the Norwood - Scottsdale - Derby 110kV line to be vulnerable with a category of Vulnerability due to Lightning.

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): 17th Feb, 18th Feb

VIC
Mildura Ap (39+ Deg C): 18th 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

The Hazelwood - South Morang No 1 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 0235 hrs 14/02/2024

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

Refer to AEMO Network Outage Scheduler (NOS) for return to service details

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The South Morang - Sydenham No 1 and 2 500 kV lines have been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 0105 hrs 14/02/2024

V-SMSY

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

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

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation: Moorabool - Sydenham No1 and No2 500 kV lines - 13/02/2024

At 1308 hrs 13/02/2024 the Moorabool - Sydenham No1 and No2 500 kV lines tripped.

Refer Market notices 114577 and 114625.

The following constraint set(s) are invoked :

V-X_MLSY
F-V-X_ML_BUSTIE_500
I-VS_050

These constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1

Refer to the Network outage scheduler (NOS) for more details:

Manager NEM Real Time Operations