Market Notices

61501RECLASSIFY CONTINGENCY24/02/2018 06:41:34 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220kV lines in TAS 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: TAS

Lines: Farrell - Reece No. 1 and No. 2 220kV lines

Duration: 24/02/2018 06:30 hrs until further notice
Constraint set(s) invoked: F-T-FARE_N-2

Manager NEM Real Time Operations
61500RECLASSIFY CONTINGENCY24/02/2018 06:40:25 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220kV lines in TAS 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: TAS

Lines: Farrell - Sheffield No. 1 and No. 2 220kV lines

Duration: 24/02/2018 06:30 hrs until further notice
Constraint set(s) invoked: T-FAS_N-2_CP4_S5B

Manager NEM Real Time Operations
61499RECLASSIFY CONTINGENCY24/02/2018 06:30:35 AM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 24/02/2018 06:30 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
61498RECLASSIFY CONTINGENCY24/02/2018 03:41:25 AM

Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Cancellation time: 24/02/2018 03:41

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61488

Auto-generated on behalf of Manager NEM Real Time Operations
61497RECLASSIFY CONTINGENCY24/02/2018 12:19:45 AM

Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 24/02/2018 00:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61492

Auto-generated on behalf of Manager NEM Real Time Operations
61496NON-CONFORMANCE24/02/2018 12:05:22 AM

NON-CONFORMANCE Region VIC1 Saturday, 24 February 2018

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Friday, 23 February 2018

AEMO declared a schedule generating unit non-conforming

Unit: YWPS2
Duration: 23/02/2018 23:50 to 24/02/2018 00:05
Amount: -45 MW
Constraint: NC-V_YWPS2

Auto-generated on behalf of Manager NEM Real Time Operations
61495RECLASSIFY CONTINGENCY23/02/2018 10:13:05 PM

Cancellation 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

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

Cancellation time: 23/02/2018 22:13

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61491

Auto-generated on behalf of Manager NEM Real Time Operations
61494RECLASSIFY CONTINGENCY23/02/2018 10:09:45 PM

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: 23/02/2018 22:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61490

Auto-generated on behalf of Manager NEM Real Time Operations
61493RECLASSIFY CONTINGENCY23/02/2018 08:27:14 PM

Cancellation of a Non-Credible Contingency Event: Brinkworth - Davenport, Brinkworth - Templers West and Para -Templers West 275 kV lines in South Australia due to high winds.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to high winds. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any high wind activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA

Lines: Brinkworth - Davenport, Brinkworth - Templers West and Para -Templers West 275 kV lines

Cancellation time: 2000 hrs 23/02/2018

Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 61489

Manager NEM Real Time Operations
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