Market Notices

61404RECLASSIFY CONTINGENCY20/02/2018 08:09:42 AM

Cancellation of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 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: QLD1

Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Cancellation time: 20/02/2018 08:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61400

Auto-generated on behalf of Manager NEM Real Time Operations
61403INTER-REGIONAL TRANSFER20/02/2018 08:01:14 AM

Inter-Regional Transfer limit variation - NSW Region - 20/01/2018

AEMO ELECTRICITY MARKET NOTICE
Refer market notice 61401
Inter-Regional Transfer limit variation - NSW Region - 20/01/2018
An unplanned outage of the Tamworth No3 330kV bus, the associated Tamworth Armidale (85) 330kV line and the Tamworth Muswellbrook (88) 330kV line occurred at 0735 hrs.
The following constraint sets were invoked;
F-N-ARTW_85
N-ARTW_85
F-N_MUTW_88
N_MUTW_88
N_TW_330_BUS3
The constraint has the following interconnectors on the left hand side.
N-Q-MNSP1
NSW1-QLD1
T-VMNSP1

Manager NEM Real Time Operations
61402RECLASSIFY CONTINGENCY20/02/2018 07:49:40 AM

Cancellation of a Non-Credible Contingency Event: Collinsville - Stoney Creek No.7306 132 kV line and Collinsville - Newlands No.7121 132 kV line in QLD1 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: QLD1

Lines: Collinsville - Stoney Creek No.7306 132 kV and Collinsville - Newlands No.7121 132 kV

Cancellation time: 20/02/2018 07:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61398

Auto-generated on behalf of Manager NEM Real Time Operations
61401POWER SYSTEM EVENTS20/02/2018 07:48:51 AM

Non-credible contingency event - NSW region - 20/02/2018

AEMO ELECTRICITY MARKET NOTICE

Non-credible contingency event - NSW region - 20/02/2018

At 0735 hrs the Tamworth No3 330 kV bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.

Manager NEM Real Time Operations

61400RECLASSIFY CONTINGENCY20/02/2018 05:04:25 AM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 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: QLD1

Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 20/02/2018 05:04 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
61399RECLASSIFY CONTINGENCY20/02/2018 03:53:58 AM

Reclassification of a Non-Credible Contingency Event: Chinchilla - Columboola No.7349 132 kV line and Chinchilla - Columboola No.7350 132 kV line in QLD1 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: QLD1

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

Duration: 20/02/2018 03:53 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
61398RECLASSIFY CONTINGENCY20/02/2018 03:45:05 AM

Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek No.7306 132 kV line and Collinsville - Newlands No.7121 132 kV line in QLD1 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: QLD1

Lines: Collinsville - Stoney Creek No.7306 132 kV and Collinsville - Newlands No.7121 132 kV

Duration: 20/02/2018 03:45 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
61397RECLASSIFY CONTINGENCY20/02/2018 03:05:55 AM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 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: QLD1

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

Duration: 20/02/2018 03:05 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
61396RECLASSIFY CONTINGENCY20/02/2018 01:49:40 AM

Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 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: QLD1

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

Cancellation time: 20/02/2018 01:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61389

Auto-generated on behalf of Manager NEM Real Time Operations
X
Cookies help us improve your website experience.
By using our website, you agree to our use of cookies.
Confirm