Market Notices

54865RESERVE NOTICE12/09/2016 09:24:16 AM

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - 13, 14 and 16 Sep 2016

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Market Notices: 54734, 54735 and 54864.

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region for the following periods:

On 13/09/2016 from 0700 hrs to 1700 hrs;
On 14/09/2016 from 0700 hrs to 1700 hrs; and
On 16/09/2016 from 0700 hrs to 1700 hrs.

AEMO declares Forecast LOR2 conditions in the South Australia region for the above periods. During these periods, outages are scheduled for Moorabool to Mortlake No.2 500 kV transmission line in Victoria region.

On the occurrence of a credible contingency during these outages, 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
54810RESERVE NOTICE31/08/2016 04:37:59 PM

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - 6 to 9 September 2016

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Market Notice 54686, 54798, and 54799.

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - from 0700 hrs on 06/09/2016 to 1700 hrs on 09/09/2016

AEMO declares Forecast LOR2 conditions for the South Australia region during the following planned outages:

Heywood No.2 500 kV busbar in Victoria region, from 0700 hrs on 06/09/2016 to 1700 hrs on 09/09/2016.
Heywood to Mortlake 500 kV line in Victoria region, from 0730 hrs to 1630 hrs on 06/09/2016.
Heywood to Mortlake 500 kV line in Victoria region, from 0730 hrs to 1630 hrs on 07/09/2016.

On the occurrence of a credible contingency during these planned outages, 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
54781RESERVE NOTICE25/08/2016 11:11:01 AM

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - 31 Aug, 1 Sep and 2 Sep 2016

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Market Notices: 54683, 54684 and 54685.

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region for the following periods:

On 31/08/2016 from 0700 hrs to 1700 hrs;
On 01/09/2016 from 0700 hrs to 1700 hrs; and
On 02/09/2016 from 0700 hrs to 1700 hrs.

AEMO declares Forecast LOR2 conditions for the South Australia region for the above periods. During these periods, outages are scheduled for Moorabool to Tarrone No.1 500 kV transmission line in Victoria region.

On the occurrence of a credible contingency during these planned outages, 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
54668RESERVE NOTICE05/08/2016 05:37:51 PM

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - 10 to 12 August 2016

AEMO ELECTRICITY MARKET NOTICE

Refer to AEMO Market Notice 54624

Forecast Lack Of Reserve Level 2 (LOR2) in South Australia Region - from 0700 hrs on 10/08/2016 to 1700 hrs on 12/08/2016

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 0700 hrs on 10/08/2016 to 1700 hrs on 12/08/2016.

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.

Operations Planning
54472SETTLEMENTS RESIDUE13/07/2016 11:30:15 AM

[EventId:201607131130_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 13 July 2016 11:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 13 July 2016

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 13 July 2016.

Refer to market notice: 54468

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.

The negative residue constraint NRM_SA1_VIC1 ceased operating at 1130 hrs on 13 July 2016.

This is an AEMO autogenerated Market Notice.
54468SETTLEMENTS RESIDUE13/07/2016 10:30:24 AM

[EventId:201607131030_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 13 July 2016 10:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1030 hrs on 13 July 2016

ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 13 July 2016.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.

The negative residue constraint set NRM_SA1_VIC1 commenced operating from 1030 hrs on 13 July 2016.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
54467SETTLEMENTS RESIDUE13/07/2016 10:00:19 AM

[EventId:201607131000_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 13 July 2016 10:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1000 hrs on 13 July 2016

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 13 July 2016.

Refer to market notice: 54466

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.

The negative residue constraint NRM_SA1_VIC1 ceased operating at 1000 hrs on 13 July 2016.

This is an AEMO autogenerated Market Notice.
54466SETTLEMENTS RESIDUE13/07/2016 09:00:28 AM

[EventId:201607130900_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 13 July 2016 09:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0900 hrs on 13 July 2016

ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 13 July 2016.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.

The negative residue constraint set NRM_SA1_VIC1 commenced operating from 0900 hrs on 13 July 2016.

This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
54457SETTLEMENTS RESIDUE12/07/2016 07:00:23 PM

[EventId:201607121900_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 12 July 2016 19:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1900 hrs on 12 July 2016

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 12 July 2016.

Refer to market notice: 54455

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.

The negative residue constraint NRM_SA1_VIC1 ceased operating at 1900 hrs on 12 July 2016.

This is an AEMO autogenerated Market Notice.
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