Market Notices

54828RESERVE NOTICE01/09/2016 05:27:15 PM

Cancellation - Actual LOR2 South Australia Region - 01 Sept 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Actual LOR2 South Australia Region - 01 Sept 2016

Refer AEMO Electricity Market Notice 54820

An Actual LOR2 condition was declared for the South Australia region from 0710 hrs to 1709 hrs due to the planned outage of the Morrabool Terminal Station- Tarrone Terminal Station 500kV Line.


Manager NEM Real Time Operations
54820RESERVE NOTICE01/09/2016 07:16:31 AM

Actual LOR2 South Australia Region - 01 Sept 2016

AEMO ELECTRICITY MARKET NOTICE

Actual LOR2 South Australia Region - 01 Sept 2016

Refer AEMO Electricity Market Notice 54781

An Actual LOR2 condition is declared for the South Australia region from 0710 hrs until further notice due to the planned outage of the Morrabool Terminal Station- Tarrone Terminal Station 500kV Line.

If a credible contingency event occurs during this period the South Australia region would separate from the rest of the NEM and is likely to result in interruptions to power supplies.

There are sufficient capacity reserves in the South Australia region to meet electricity demand but it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing power interruptions.


Manager NEM Real Time Operations
54811RESERVE NOTICE31/08/2016 04:55:38 PM

Cancellation - Actual LOR2 South Australia Region - 31 Aug 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Actual LOR2 South Australia Region - 31 Aug 2016

Refer AEMO Electricity Market Notice 54805

An Actual LOR2 condition was declared for the South Australia region from 0720 hrs to 1651 hrs due to the planned outage of the Morrabool Terminal Station- Tarrone Terminal Station 500kV Line.


Manager NEM Real Time Operations
54806GENERAL NOTICE31/08/2016 09:39:41 AM

NEM VAr Dispatch Schedule System (VDS) Operational Go-live Commencing 31 August 2016

AEMO Electricity Market Notice

NEM VAr Dispatch Schedule System (VDS) Operational Go-Live Commencing 31 August 2016

AEMO announces that the Operational Go-live of the NEM VAr Dispatch Schedule (VDS) System is scheduled at 10.00 am market time today 31 August 2016.

The VDS System Trial in Closed-loop Mode commenced on 15 February 2016 and in effect the VDS System has been an operational tool for more than six months. Positive outcomes have been achieved during the trial through tuning the parameters used by the VDS System to align its recommended actions with good operating practice. AEMO will continue tuning as part of its normal operating practices to further improve the VDS System, and work with Reactive Plant Operators on further system enhancements.

For more information visit
http://www.aemo.com.au/Electricity/National-Electricity-Market-NEM/Security-and-reliability/Dispatch-information/VAr-dispatch

Manager NEM Real Time Operations
54805RESERVE NOTICE31/08/2016 07:31:04 AM

Actual LOR2 South Australia Region - 31 Aug 2016

AEMO ELECTRICITY MARKET NOTICE

Actual LOR2 South Australia Region - 31 Aug 2016

Refer AEMO Electricity Market Notice 54781

An Actual LOR2 condition is declared for the South Australia region from 0720 hrs until further notice due to the planned outage of the Morrabool Terminal Station- Tarrone Terminal Station 500kV Line.

If a credible contingency event occurs during this period the South Australia region would separate from the rest of the NEM and is likely to result in interruptions to power supplies.

There are sufficient capacity reserves in the South Australia region to meet electricity demand but it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing power interruptions.


Manager NEM Real Time Operations
54799GENERAL NOTICE29/08/2016 09:16:52 AM

Planned outage of Heywood to Mortlake PS 500kV line in Victoria region from 07/09/2016 0730 hrs to 07/09/2016 1630 hrs

AEMO ELECTRICITY MARKET NOTICE.

This market notice is FOR INFORMATION ONLY.

The Heywood to Mortlake PS 500kV line in Victoria Region is planned out of service from 0730 hrs on 07 September 2016 to 1630 hrs on 07 September 2016.

During this outage, a credible contingency can separate South Australia region from the rest of the NEM.

Under these circumstances, 35 MW of Raise and Lower regulation FCAS will be sourced from South Australia for the duration of this outage. In addition, consistent with AEMO existing procedures, adequate contingency FCAS lower requirements will also be sourced from South Australia at times when power transfer is from South Australia to Victoria.

The following constraint sets have been invoked for this outage:

F-V-HYMO (includes F-S_LREG_0035 and F-S_RREG_0035)
S-X_BC_CP
V-HYMO

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO will continue monitoring this proposed outage and will update the Market accordingly.


Edmund Hon
AEMO Operations
54798GENERAL NOTICE29/08/2016 09:05:25 AM

Planned outage of Heywood to Mortlake PS 500kV line in Victoria region from 06/09/2016 0730 hrs to 06/09/2016 1630 hrs

AEMO ELECTRICITY MARKET NOTICE.

This market notice is FOR INFORMATION ONLY.

The Heywood to Mortlake PS 500kV line in Victoria Region is planned out of service from 0730 hrs on 06 September 2016 to 1630 hrs on 06 September 2016.

During this outage, a credible contingency can separate South Australia region from the rest of the NEM.

Under these circumstances, 35 MW of Raise and Lower regulation FCAS will be sourced from South Australia for the duration of this outage. In addition, consistent with AEMO existing procedures, adequate contingency FCAS lower requirements will also be sourced from South Australia at times when power transfer is from South Australia to Victoria.

The following constraint sets have been invoked for this outage:

F-V-HYMO (includes F-S_LREG_0035 and F-S_RREG_0035)
S-X_BC_CP
V-HYMO

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO will continue monitoring this proposed outage and will update the Market accordingly.


Edmund Hon
AEMO Operations
54793GENERAL NOTICE27/08/2016 11:17:16 AM

Update - Lower Regulation FCAS Increased - 27/08/16

AEMO ELECTRICITY MARKET NOTICE

Update - Variation to FCAS regulation requirements: NEM Global for Mainland Regulation - 27/08/16.

Refer Market Notice 54792

FCAS Lower regulation requirements were increased to manage time error to within standards.

The following constraint was invoked to manage lower regulation requirements.

F-MAIN_LREG_0400 invoked from 0925 hrs to 1050 hrs

Manager NEM Real Time Operations
54792GENERAL NOTICE27/08/2016 09:42:52 AM

Lower Regulation FCAS Increased -27/08/16

AEMO ELECTRICITY MARKET NOTICE

Variation to FCAS regulation requirements: NEM Global for Mainland Regulation - 27/08/2016.

FCAS Lower regulation requirements were increased to manage time error to within standards.

The following constraint was invoked to manage lower regulation requirements.

F-MAIN_LREG_400 invoked from 0925 hrs.

Manager NEM Real Time Operations
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