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53974GENERAL NOTICE15/06/2016 05:38:09 PM
Network Augmentation Commissioned - South Australia Region - 15 June 2016
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - South Australia Region - 15 June 2016
A network augmentation has been commissioned in the South Australia Region
The Mt Lock 275 kV Sub Station was commissioned at 1630 hrs 15 June 2016. Mt Lock substation has been cut into the former Canowie - Davenport 275 kV Line to form two new transmission lines, Canowie - Mt Lock 275 kV Line and Davenport - Mt Lock 275 kV Line.
Manager NEM Real Time Operations
Network Augmentation Commissioned - South Australia Region - 15 June 2016
A network augmentation has been commissioned in the South Australia Region
The Mt Lock 275 kV Sub Station was commissioned at 1630 hrs 15 June 2016. Mt Lock substation has been cut into the former Canowie - Davenport 275 kV Line to form two new transmission lines, Canowie - Mt Lock 275 kV Line and Davenport - Mt Lock 275 kV Line.
Manager NEM Real Time Operations
53959GENERAL NOTICE13/06/2016 12:10:02 PM
Basslink Availability
AEMO ELECTRICITY MARKET NOTICE
Basslink Availability
Basslink restored to full operation at 1151 hrs Monday, 13 June 2016
Manager NEM Real Time Operations
Basslink Availability
Basslink restored to full operation at 1151 hrs Monday, 13 June 2016
Manager NEM Real Time Operations
53746GENERAL NOTICE08/06/2016 03:30:57 PM
Changes to raise FCAS requirements in Tasmania
AEMO ELECTRICITY MARKET NOTICE
Changes to raise FCAS requirements in Tasmania
Refer to AEMO Electricity market notice 51618
The adaptive under-frequency load shedding scheme (AUFLS) was implemented in January 2016 to reduce the contingency raise FCAS requirements in Tasmania. TasNetworks has advised AEMO this scheme was disabled at 1000 hrs 8 June 2016. Tasmanian contingency FCAS requirements now do not use the reduction provided by this scheme.
Ben Blake
AEMO Operations
Changes to raise FCAS requirements in Tasmania
Refer to AEMO Electricity market notice 51618
The adaptive under-frequency load shedding scheme (AUFLS) was implemented in January 2016 to reduce the contingency raise FCAS requirements in Tasmania. TasNetworks has advised AEMO this scheme was disabled at 1000 hrs 8 June 2016. Tasmanian contingency FCAS requirements now do not use the reduction provided by this scheme.
Ben Blake
AEMO Operations
53660GENERAL NOTICE06/06/2016 08:19:53 PM
Constraint Automation to Manage Power Security in Vic Region.
AEMO ELECTRICITY MARKET NOTICE
Constraint Automation to Manage Power Security in Vic Region, Monday, 06 June 2016.
AEMO network analysis indicated that the trip of the Hazelwood Power station to Hazelwood Terminal station No.2 220 kV line would result in an overload of the Hazelwood Power station to Hazelwood Terminal station A1 500 / 220 kV transformer.
AEMO invoked automated constraint set CA_SPS_4667C455 from 1850 to 1905 hrs to manage power system security.
Manager NEM Real Time Operations
Constraint Automation to Manage Power Security in Vic Region, Monday, 06 June 2016.
AEMO network analysis indicated that the trip of the Hazelwood Power station to Hazelwood Terminal station No.2 220 kV line would result in an overload of the Hazelwood Power station to Hazelwood Terminal station A1 500 / 220 kV transformer.
AEMO invoked automated constraint set CA_SPS_4667C455 from 1850 to 1905 hrs to manage power system security.
Manager NEM Real Time Operations
53547GENERAL NOTICE27/05/2016 02:26:09 PM
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
AEMO ELECTRICITY MARKET NOTICE.
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
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
53538GENERAL NOTICE27/05/2016 12:43:22 AM
Cancellation - Brisbane Communication Issues - 27th May 2016
AEMO ELECTRICITY MARKET NOTICE
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
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
53535GENERAL NOTICE27/05/2016 12:17:22 AM
Brisbane Communication Issues - 27th May 2016
AEMO ELECTRICITY MARKET NOTICE
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
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
53504GENERAL NOTICE23/05/2016 04:50:14 PM
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
AEMO ELECTRICITY MARKET NOTICE.
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
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
53390GENERAL NOTICE17/05/2016 07:28:52 AM
Update to planned outage at Tailem Bend - SA Region 17 May 2016
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
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