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Updated Victorian system normal voltage stability limit for the south-west Victoria
Refer to Market Notice 101368
AEMO has completed a review of the system normal voltage stability limit in the south-west Victoria as a result of Mortlake terminal station cut-in on the Haunted Gully to Tarrone 500 kV line.
The revised limit is increased by 100 MW on the cut-set from Haunted Gully to Moorabool and Mortlake to Moorabool 500 kV lines for flow towards Moorabool.
Full details on the limits advice are to be published shortly on the AEMO website: https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/system-operations/congestion-information-resource/limits-advice
The revised limit has been implemented at 1201 hrs on Tuesday 29th April 2025, by updating V^^V_NIL_SWVIC.
For further details on this constraint equation please contact terry.liu@aemo.com.au
Terry Liu
AEMO Operations
Network Augmentation Commissioned - Vic Region - 29/04/2025
Network Augmentation Commissioned - Vic Region - 29/04/2025
At 2030hrs 29/04/2025, the existing Haunted Gully - Tarrone No1 500 kV transmission line has been cut in at Mortlake Power Station to create the following transmission line sections:
Mortlake PS - Tarrone No.1 500 kV transmission line
Mortlake PS - Haunted Gully No.1 500 kV transmission line
Manager NEM Real Time Operations
Release of QNI limit from NSW to Qld - 29th April 2025
Refer to market notice 124749.
AEMO, Transgrid, Powerlink have reviewed the test results following the QNI minor testing on 16th February 2025. The next hold point can now be released.
The hold point of 950 MW from NSW to Qld will be implemented as of 1000 hrs 29th April 2025.
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
NON-CONFORMANCE Region SA1 Thursday, 24 April 2025
NON-CONFORMANCE SA1 Region Thursday, 24 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: BLYTHB1
Duration: 24/04/2025 13:50 to 24/04/2025 13:55
Amount: 143 MW
Constraint: NC-S_BLYTHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Wednesday, 23 April 2025
NON-CONFORMANCE NSW1 Region Wednesday, 23 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: JEMALNG1
Duration: 23/04/2025 08:50 to 23/04/2025 10:00
Amount: 38 MW
Constraint: NC-N_JEMALNG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Saturday, 19 April 2025
NON-CONFORMANCE QLD1 Region Saturday, 19 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 19/04/2025 14:20 to 19/04/2025 14:30
Amount: 15 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/04/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1730 hrs 14/04/2025 to 1800 hrs 14/04/2025.
The forecast capacity reserve requirement is 1537 MW.
The minimum capacity reserve available is 1365 MW.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/04/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 126538 is cancelled at 1600 hrs 14/04/2025.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/04/2025
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1700 hrs 14/04/2025 to 1830 hrs 14/04/2025.
The forecast capacity reserve requirement is 1595 MW.
The minimum capacity reserve available is 1141 MW.
Manager NEM Real Time Operations