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Update - Raise Regulation FCAS Increased - 27/06/16
Update - Variation to FCAS regulation requirements: NEM Global - 27/06/16.
Refer to MN 54151
FCAS Raise regulation requirements were increased to manage time error to within standards.
The following constraints were invoked to manage raise regulation requirements.
F-MAIN_RREG_0350 invoked from 1650 hrs to 1735 hrs
Manager NEM Real Time Operations
Raise Regulation FCAS Increased - 27/06/16
Variation to FCAS regulation requirements: NEM Global - 27/06/16.
FCAS Raise regulation requirements have been increased to manage time error to within standards.
The following constraints have been invoked to manage raise regulation requirements.
F-MAIN_RREG_0350 invoked from 1650 hrs until further notice.
Manager NEM Real Time Operations
Update - Raise Regulation FCAS Increased - 24/06/16
Update to MArket Notice 53974
Variation to FCAS regulation requirements: NEM Global - 24/06/16.
Constraint Set F-MAIN_RREG_0350 was revoked at 1700 hrs..
Manager NEM Real Time Operations
Raise Regulation FCAS Increased - 24/06/16
Variation to FCAS regulation requirements: NEM Global - 24/06/16.
FCAS Raise regulation requirements have been increased to manage time error to within standards.
The following constraints have been invoked to manage raise regulation requirements.
F-MAIN_RREG_0350 invoked from 1555 hrs until further notice.
Manager NEM Real Time Operations
Network Augmentation Commissioned - South Australia Region - 15 June 2016
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
Basslink Availability
Basslink Availability
Basslink restored to full operation at 1151 hrs Monday, 13 June 2016
Manager NEM Real Time Operations
Changes to raise FCAS requirements in Tasmania
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
Constraint Automation to Manage Power Security in Vic Region.
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
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