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Update - Lightning vulnerable lines in Vic region
Update - Lightning vulnerable lines in Vic region
Refer to AEMO Electricity Market Notice 119029
At 1525 hrs on 18/10/2024 the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
The cause of the trip was identified as due to Lightning.
In accordance with SO_OP_3715, AEMO now considers the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line to be vulnerable with a category of probable due to Lightning.
Manager NEM Real Time Operations
Update - Pre dispatch demand forecast - Qld region
Update - Pre dispatch demand forecast - Qld region
Refer market notice: 119666
The issue relating to the Queensland Pre dispatch demand forecast has been resolved.
Manager NEM Real Time Operations
Pre dispatch demand forecast - Qld region
Pre dispatch demand forecast - Qld region
AEMO is aware of an error in the Queensland pre dispatch demand forecast.
AEMO is currently working to resolve the issue.
Dispatch results are not impacted.
Manager NEM Real Time Operations
Forecast Minimum System Load 1 (MSL1) in the VIC Region on 02/11/2024
Update to Market Notice 119571 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region on 02/11/2024.
Minimum regional demand is forecast to be 1457 MW at 1230 hrs, and the advisory threshold is:
MSL1 - 1695 MW
MSL2 - 1195 MW
MSL3 - 695 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1130 hrs to 1400 hrs 02/11/2024.
AEMO Operations
Cancellation of Minimum System Load 1 (MSL1) in the VIC Region on 03/11/2024
Cancellation - MSL1- VIC Region at 1400 hrs 28/10/2024.
Refer to Market Notice 119497 for Forecast MSL1.
AEMO Operations
Forecast Minimum System Load 1 (MSL1) in the VIC Region on 02/11/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region on 02/11/2024.
Minimum regional demand is forecast to be 1491 MW at 1230 hrs, and the advisory threshold is:
MSL1 = 1695 MW
MSL2 = 1195 MW
MSL3 = 695 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1100 hrs to 1330 hrs 02/11/2024.
AEMO Operations
NON-CONFORMANCE Region SA1 Monday, 28 October 2024
NON-CONFORMANCE SA1 Region Monday, 28 October 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 28/10/2024 12:05 to 28/10/2024 12:55
Amount: 39 MW
Constraint: NC-S_TB2HYB_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Sunday, 27 October 2024
NON-CONFORMANCE NSW1 Region Sunday, 27 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: BW04
Duration: 27/10/2024 15:35 to 27/10/2024 15:40
Amount: -78 MW
Constraint: NC-N_BW04
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Saturday, 26 October 2024
NON-CONFORMANCE VIC1 Region Saturday, 26 October 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GANNB1
Duration: 26/10/2024 19:15 to 26/10/2024 19:25
Amount: -25 MW
Constraint: NC-V_GANNB1
Auto-generated on behalf of Manager NEM Real Time Operations