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Planned outage of Moorabool-Sydenham No.1 500 kV line and Sydenham-South Morang No.1 500 kV line - Victoria Region on 29 May 2016
This market notice is FOR INFORMATION ONLY.
There is short notice planned outage of Moorabool-Sydenham No.1 500 kV line and Sydenham-South Morang No.1 500 kV line between 0630-1600hrs on 29 May 2016 in Victoria region.
During this outage, following the next contingency (trip of the Moorabool-Sydenham No.2 500 kV line) South Australia region still remains connected to the NEM. However if this contingency occurs, AEMO will invoke the following FCAS regulation constraint sets to secure the power system in South Australia region:
F-S_LREG_0035
F-S_RREG_0035
Please also refer to market notice 52838.
Refer to AEMO Network Outage Schedule (NOS) for further details
Operations Planning
Cancellation - Brisbane Communication Issues - 27th May 2016
Cancellation - Brisbane Communication Issues - 27th May 2016
Refer to MN 53535
This is to advise that the problems on the AEMO Brisbane Control Centre Phone system have been resolved.
Participants may noiw use normal Brisbane Control Centre and Sydney Control Centre contact numbers.
Manager NEM Real Time Operations
Brisbane Communication Issues - 27th May 2016
Brisbane Communication Issues - 27th May 2016
This is to advise that problems exist on the AEMO Brisbane Control Centre Phone system.
Participants who normally communicate with the Brisbane Control Centre are advised to utilise the backup telephone numbers or the alternative Sydney Control Centre contact numbers.
Further information will be provided when the problem is rectified.
Manager NEM Real Time Operations
Planned outages of Moorabool-Sydenham No.1 500 kV line and Sydenham-South Morang No.1 500 kV line - Victoria Region on 25 and 30 May 2016
Planned outages of Moorabool-Sydenham No.1 500 kV line and Sydenham-South Morang No.1 500 kV line - Victoria Region on 25 May and 30 May 2016.
There are planned outages of Moorabool-Sydenham No.1 500 kV line and Sydenham-South Morang No.1 500 kV line between 0630-1630hrs on 25 May 2016 and 0630-1800hrs on 30 May 2016.
During these outages, South Australia region remains connected to the NEM for the first contingency (trip of the Moorabool - Sydenham No.2 500 kV line). However, there is a potential risk of South Australia region separation from the rest of the NEM for the subsequent contingency following the first contingency.
AEMO will invoke the following FCAS regulation constraint sets after the first contingency during this outage to secure the power system in South Australia region.
F-S_LREG_0035
F-S_RREG_0035
Refer to AEMO Network Outage Schedule (NOS) for further details
Operations Planning
[EventId:201605190100_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 19 May 2016 01:00
Issued by Australian Energy Market Operator Ltd at 0100 hrs on 19 May 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 19 May 2016.
Refer to market notice: 53406
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 0100 hrs on 19 May 2016.
This is an AEMO autogenerated Market Notice.
[EventId:201605182340_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 18 May 2016 23:40
Issued by Australian Energy Market Operator Ltd at 2340 hrs on 18 May 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 18 May 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 2340 hrs on 18 May 2016.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Update to planned outage at Tailem Bend - SA Region 17 May 2016
There is currently a planned outage of the Tailem Bend 275kV East Bus. Commencing at 0830 hrs 17/05/16, the outage is extended and will also offload the Tailem Bend - Cherry Gardens 275 kV line. During this outage, a trip of the Tailem Bend - Tunkilo 275 kV line severs the 275 kV connections between Victoria and South Australia regions. Should this contingency occur, AEMO will invoke the following FCAS regulation constraint sets.
F-S_LREG_0035
F-S_RREG_0035
For this contingency, the two regions remain connected by the 132 KV network but the next contingency will result in separation of Victoria and South Australia regions.
Refer to AEMO Network Outage Schedule (NOS) for further details
Manager NEM Real Time Operations