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Actual LOR2 South Australia Region - Wednesday, 14 December 2016
Actual LOR2 South Australia Region - Wednesday, 14 December 2016
Refer AEMO Electricity Market Notice 66225
An Actual LOR2 condition has been declared for the South Australia region from 0600 hrs and is forecast to continue until 2330 hrs Wednesday 14th December 2016 during a planned outage of Heywood No.1 500 kV busbar in the Victoria region.
On the occurrence of a credible contingency during this planned outage, South Australia region could separate from the rest of the NEM and is likely to result in interruptions to power supplies in South Australia.
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
Forecast Lack Of Reserve Level 2 (LOR2) in South Australia region - 14 to 15 Dec 2016
Refer to AEMO Market Notice 55727
Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - from 0600 hrs on 14/12/2016 to 1600 hrs on 15/12/2016.
AEMO declares Forecast LOR2 conditions for the South Australia region during the planned outage of Heywood No.1 500 kV busbar in Victoria region, from 0600 hrs on 14/12/2016 to 1600 hrs on 15/12/2016.
On the occurrence of a credible contingency during this planned outage, South Australia region could separate from the rest of the NEM and is likely to result in interruptions to power supplies in South Australia.
There are sufficient capacity reserves in the South Australia region to meet electricity demand but following the next credible contingency it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing interruptions to power supplies in South Australia.
Harmohan Singh
Operations Planning
Cancellation - Actual LOR2 South Australia Region - 01 Dec 2016
Cancellation - Actual LOR2 South Australia Region - 01 Dec 2016
Refer AEMO Electricity Market Notices 55867, 55904 and 56025.
The Actual LOR2 condition in the South Australia Region is cancelled at 2145 hrs 01 Dec 2016
Manager NEM Real Time Operations
Update - Actual LOR2 South Australia Region - 1/12/16
Actual LOR2 South Australia Region - 1/12/16
Refer AEMO Electricity Market Notice 55867 and 55904
An actual LOR2 condition has been declared for the South Australia region from 0700 hrs 30/11/16 and is forecast to continue until further notice following the unplanned outage of the Moorabool Tarone 500 kV line in Victoria.
If a credible contingency event occurs in 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.
See Network Outage Schedule (NOS) for further details
Manager NEM Real Time Operations
Actual LOR2 South Australia Region - 30/11/16
Actual LOR2 South Australia Region - 30/11/16
Refer AEMO Electricity Market Notice 55867
An actual LOR2 condition has been declared for the South Australia region from 0700 hrs and is forecast to continue until 1600 hrs 01/12/16 during a planned outage of the Heywood No2 500 kV bus in Victoria.
If a credible contingency event occurs in 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
Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - 30 Nov to 01 Dec 2016
Refer to AEMO Market Notice 55515
Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - from 0600 hrs on 30/11/2016 to 1600 hrs on 01/12/2016.
AEMO declares Forecast LOR2 conditions for the South Australia region during the planned outage of Heywood No.2 500 kV busbar from 0600 hrs on 30/11/2016 to 1600 hrs on 01/12/2016.
On the occurrence of a credible contingency during these planned outage, South Australia region could separate from the rest of the NEM and is likely to result in interruptions to power supplies in South Australia.
There are sufficient capacity reserves in the South Australia region to meet electricity demand but following the next credible contingency it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing interruptions to power supplies in South Australia.
Operations Planning
Bhishma Chhetri
Cancellation of the Actual (LOR2) condition in the South Australia region 26 Nov 2016
Cancellation of the Actual (LOR2) condition in the South Australia region 26 Nov 2016
Refer to AEMO Electricity Market Notice No. 55810
The Actual LOR2 condition in the South Australia Region is cancelled at 1000 hrs 26 Nov 2016 following the return to service of the Heywood to South East No.1 275 kV transmission line.
Manager NEM Real Time Operations
Actual LOR2 South Australia Region - 22 Nov 2016
Actual LOR2 South Australia Region - 22 Nov 2016
Refer to MN 55466
An actual LOR2 condition has been declared for the South Australia region from 0715 hrs and is forecast to continue until further notice during the following planned outages detailed below:
[1] Heywood to South East No.1 275 kV transmission line
If a credible contingency event occurs in 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
Forecast Lack of Reserve Level 2 (LOR2) in South Australia from 22 Nov 2016 to 26 Nov 2016
Refer to AEMO Market Notices: 55466.
Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region starting from 0700hrs 22/11/2016 to 1700hrs 26/11/2016.
AEMO declares Forecast LOR2 conditions in the South Australia region for the above period. During this period, an outage is scheduled for Heywood to South East No.1 275 kV transmission line between Victoria and South Australia.
On the occurrence of a credible contingency during this outage, South Australia region could separate from the rest of the NEM and is likely to result in interruptions to power supply in South Australia.
There are sufficient capacity reserves in the South Australia region to meet electricity demand but following the next credible contingency it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing interruptions to power supplies in South Australia.
Catherine Wu
AEMO Operations