Market Notices

53426RECLASSIFY CONTINGENCY19/05/2016 11:42:19 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chapel Street - Liapootah No.1 and No.2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chapel Street - Liapootah No.1 and No.2 220 kV Lines in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53419
There is no longer any lightning activity in the vicinity of the Chapel Street - Liapootah No.1 and No.2 220 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1130 hrs.
Constraint Set T-CSLI_N-2 revoked.

Manager NEM Real Time Operations
53425RECLASSIFY CONTINGENCY19/05/2016 10:51:44 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

Refer AEMO Electricity Market Notice 53412

There is no longer any lightning activity in the vicinity of the Farrell - Sheffield No. 1 and No. 2 220 kV Lines.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1040 hrs.

Constraint Sets T-FASH_N-2_HM_C F-T-FASH_N-2 revoked @ 1050.


Manager NEM Real Time Operations
53424RECLASSIFY CONTINGENCY19/05/2016 10:51:28 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.

Refer AEMO Electricity Market Notice 53410

There is no longer any lightning activity in the vicinity of the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1040hrs.


Manager NEM Real Time Operations
53423RECLASSIFY CONTINGENCY19/05/2016 10:51:13 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

Refer AEMO Electricity Market Notice 53411

There is no longer any lightning activity has ceased in the vicinity of the the Farrell - Reece No. 1 and No. 2 220 kV Lines.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1040 hrs.

Constraint Sets F-T-FARE_N-2 revoked.


Manager NEM Real Time Operations
53419RECLASSIFY CONTINGENCY19/05/2016 10:41:07 AM

Reclassification of a Non-Credible Contingency Event: Chapel Street - Liapootah No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Chapel Street - Liapootah No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

Lightning is occurring near the Chapel Street - Liapootah No. 1 and No. 2 220 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1040 hrs 19 May 2016 until further notice.

Constraint Set T-CSLI_N-2 invoked


Manager NEM Real Time Operations
53412RECLASSIFY CONTINGENCY19/05/2016 10:18:00 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

Lightning is occurring near the Farrell - Sheffield No. 1 and No. 2 220 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1015 hrs 19 May 2016 until further notice.

Constraint Sets: F-T-FASH_N-2 T-FASH_N-2_HM_C invoked

These Constraint Sets contain equations with the following interconnector on the LHS.
T-V-MNSP1


Manager NEM Real Time Operations
53411RECLASSIFY CONTINGENCY19/05/2016 10:14:48 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

Lightning is occurring near the Farrell- Reece No. 1 and No. 2 220 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1015 hrs 19 May 2016 until further notice.

Constraint Set F-T-FARE_N-2 invoked.


Manager NEM Real Time Operations
53410RECLASSIFY CONTINGENCY19/05/2016 10:07:43 AM

Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 1010 hrs 19 MAY 2016 until further notice.

Manager NEM Real Time Operations
53407SETTLEMENTS RESIDUE19/05/2016 01:00:15 AM

[EventId:201605190100_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 19 May 2016 01:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0100 hrs on 19 May 2016

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 19 May 2016.

Refer to market notice: 53406

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 0100 hrs on 19 May 2016.

This is an AEMO autogenerated Market Notice.
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