Market Notices

59979INTER-REGIONAL TRANSFER22/11/2017 03:22:59 PM

Inter-Regional Transfer limit variation - SA region - 22/11/2017

AEMO ELECTRICITY MARKET NOTICE

IInter-Regional Transfer limit variation - SA region - 22/11/2017

An unplanned outage of the Davenport - Bungama 275 kV transmission line in the SA region occurred at 1453 hrs.

Constraint set S-BGDV has been invoked from 1505 hrs until further notice.

The constraint has the following interconnector on the left hand side.

V-S-MNSP1

See Network Outage Scheduler (NOS) for further details

Manager NEM Realtime Operations
59978RESERVE NOTICE22/11/2017 02:28:41 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the Vic Region on 23/11/2017

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the Vic region for the following period:

From 1530 hrs on 23/11/2017 to 1700 hrs on 23/11/2017.
The contingency capacity reserve required is 1095 MW.
The minimum reserve available is 936 MW.

Manager NEM Real Time Operations
59977RESERVE NOTICE22/11/2017 02:37:29 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the Victorian Region on 24/11/2017

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the Vic region for the following period:

From 1530 hrs to 1700 hrs on 24/11/2017.
The contingency capacity reserve required is 1154 MW.
The minimum reserve available is 1095 MW.

Daniel Ghantous
AEMO Operations
59976RECLASSIFY CONTINGENCY22/11/2017 11:11:09 AM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 and No.7183 132kV lines in QLD due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to lightning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD

Lines: Tarong - Chinchilla No.7168 and No.7183 132kV lines

Duration: 22/11/2017 11:05 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
59975RECLASSIFY CONTINGENCY22/11/2017 11:10:40 AM

Reclassification of a Non-Credible Contingency Event: Chinchilla - Columboola No.7349 and No.7350 132kV lines in QLD due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to lightning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD

Lines: Chinchilla - Columboola No.7349 and No.7350 132kV lines

Duration: 22/11/2017 11:05 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
59974RECLASSIFY CONTINGENCY22/11/2017 02:25:43 AM

Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 and No.858 275kV lines in QLD due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of reclassification of a non-credible contingency event as a credible contingency event due to lightning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD

Lines: Ross - Chalumbin No.857 and No.858 275kV lines

Cancellation time: 22/11/2017 0220 hrs
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 59966

Manager NEM Real Time Operations
59973RECLASSIFY CONTINGENCY22/11/2017 02:25:26 AM

Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 and No.7166 132kV lines in QLD due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of reclassification of a non-credible contingency event as a credible contingency event due to lightning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD

Lines: Chalumbin - Turkinje No.7165 and No.7166 132kV lines

Cancellation time: 22/11/2017 0220 hrs
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 59959

Manager NEM Real Time Operations
59972RECLASSIFY CONTINGENCY21/11/2017 11:17:35 PM

Cancellation of a Non-Credible Contingency Event: Chinchilla - Columboola No.7349 and No.7350 132kV lines in QLD due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of reclassification of a non-credible contingency event as a credible contingency event due to lightning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD

Lines: Chinchilla - Columboola No.7349 and No.7350 132kV lines

Cancellation time: 21/11/2017 2310 hrs.
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 59968

Manager NEM Real Time Operations
59971RECLASSIFY CONTINGENCY21/11/2017 11:17:18 PM

Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 and No.7183 132kV lines in QLD due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of reclassification of a non-credible contingency event as a credible contingency event due to lightning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: QLD

Lines: Tarong - Chinchilla No.7168 and No.7183 132kV lines

Cancellation time: 21/11/2017 2310 hrs.
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 59967

Manager NEM Real Time Operations
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