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Update - Inter-regional transfer limit variation - Loy Yang PS (Vic) - 16/06/2016
Update - Inter-regional transfer limit variation - Loy Yang PS (Vic) - 16/06/2016
Update to Market Notice 53980
The following plant has been returned to service
Loy Yang No. 1 and No. 3 500 kV Bus
Hazelwood - Loy Yang No. 2 500 kV Line
The following constraint sets were revoked at 11:45 hrs
V-HWLY_2
V-LY_TX
V-LY_BUS1
V-LY_BUS3
The constraint sets contains equations with the following interconnector on the LHS.
T-V-MNSP1
Manager NEM Real Time Operations
Non-credible contingency event - Vic region - 16/06/16
Non-credible contingency event - Vic region - 16/06/16
At 1106 hrs the following plant tripped.
Loy Yang No. 1 and No. 3 500 kV Bus
Hazelwood - Loy Yang No. 2 500 kV Line
Loy Yang No. 1 500/220 kV Transformer
Loy Yang A1 generating unit
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Loy Yang PS (Vic) - 16/06/2016
Inter-regional transfer limit variation - Loy Yang PS (Vic) - 16/06/2016
At 1106 hrs, there was an unplanned outage of the following plant
Loy Yang No. 1 and No. 3 500 kV Bus
Hazelwood - Loy Yang No. 2 500 kV Line
Loy Yang No. 1 500/220 kV Transformer
Loy Yang A1 generating unit
The following constraint set was invoked.
V-HWLY_2 at 11:15 hrs
V-LY_TX at 11:15 hrs
V-LY_BUS1 at 11:20 hrs
V-LY_BUS3 at 11:20 hrs
The constraint sets contains equations with the following interconnector on the LHS.
T-V-MNSP1
See Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations
CHG0039537 - Planned System Change - Yearly update of the MPC/CPT values in EMMS Production
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Planned System Change - Yearly update of the MPC/CPT values in EMMS Production
Change Start Date & Time: 24/06/2016 08:00:00 AEST
Change End Date & Time: 24/06/2016 17:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Change Description:
Please see attached Change Notice.
Environment: Production
Participant Impact and Requirements:
This change details the implementation of Transmission Loss Factors (TLFs), Interconnector Loss Models (ILMs), and Distribution Loss factors (DLFs) values for the period 1 July 2016 to 30 June 2017.
Details of the methodology and specific loss factors are not covered by the change.
Values to be loaded 24th June 2016 effective Date is the 1st July 2016
This change also covers the updating of the following:
Market Price Cap, Market Floor Price and Cumulative Price Threshold values as published on the AEMC website.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
NON-CONFORMANCE Region QLD1 Thursday, 16 June 2016
NON-CONFORMANCE QLD1 Region Thursday, 16 June 2016
AEMO declared a schedule generating unit non-conforming
Unit: TARONG#1
Duration: 16/06/2016 08:10 to 16/06/2016 08:30
Amount: -19 MW
Constraint: NC-Q_TARONG#1
Auto-generated on behalf of Manager NEM Real Time Operations
Correction - Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
Correction to MN 53976
Constraint Set S-BGDV was invoked at 0745 hrs.
Manager NEM Real Time Operations
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
At 0736 hrs, there was an unplanned outage of the Bungama - Davenport 275 kV Line.
The following constraint set was invoked from 1745 hrs.
S-BGDV
The constraint set contains equations with the following interconnector on the LHS.
V-S-MNSP1
See Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Wednesday, 15 June 2016
NON-CONFORMANCE VIC1 Region Wednesday, 15 June 2016
AEMO declared a schedule generating unit non-conforming
Unit: HWPS4
Duration: 15/06/2016 21:55 to 15/06/2016 22:00
Amount: -27 MW
Constraint: NC-V_HWPS4
Auto-generated on behalf of 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