Market Notices

59853INTER-REGIONAL TRANSFER09/11/2017 03:36:37 AM

Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500kV Line (VIC) - Voltage Control - Thursday, 9 November 2017

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500kV Line (VIC) - Voltage Control - Thursday, 9 November 2017

The Hazelwood - South Morang No.2 500kV Line has been de-energised to manage voltages in the VIC region.

The following constraint set was invoked at 0340 hrs

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.


T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

Refer to AEMO Network Outage Schedule for further details and return to service times

Manager NEM Real Time Operations


59852RECLASSIFY CONTINGENCY08/11/2017 09:09:45 PM

Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla 7168 and 7183 132 kV Lines in Queensland 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 7168 and 7183 132 kV Lines

Cancellation time: 2100 hrs

Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 59850

Manager NEM Real Time Operations


59851NON-CONFORMANCE08/11/2017 07:05:17 PM

NON-CONFORMANCE Region QLD1 Wednesday, 8 November 2017

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 8 November 2017

AEMO declared a schedule generating unit non-conforming

Unit: SWAN_E
Duration: 08/11/2017 19:00 to 08/11/2017 19:05
Amount: -50 MW
Constraint: NC-Q_SWAN_E

Auto-generated on behalf of Manager NEM Real Time Operations
59850RECLASSIFY CONTINGENCY08/11/2017 03:06:27 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7168 and 7183 132 kV 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 7168 and 7183 132 kV Lines

Duration: 1505 hrs 8/11/2017 until further notice

Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
59849NON-CONFORMANCE08/11/2017 02:05:11 PM

NON-CONFORMANCE Region SA1 Wednesday, 8 November 2017

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Wednesday, 8 November 2017

AEMO declared a schedule generating unit non-conforming

Unit: SATGS1
Duration: 08/11/2017 14:00 to 08/11/2017 14:05
Amount: -117 MW
Constraint: NC-S_SATGS1

Auto-generated on behalf of Manager NEM Real Time Operations
59848INTER-REGIONAL TRANSFER08/11/2017 05:02:03 AM

Cancellation -Inter-regional transfer limit variation: Hazelwood - South Morang No.1 500kV Line (VIC) - Voltage Control - Wednesday, 8 November 2017

AEMO ELECTRICITY MARKET NOTICE

Cancellation -Inter-regional transfer limit variation: Hazelwood - South Morang No.1 500kV Line (VIC) - Voltage Control - Wednesday, 8 November 2017

Refer AEMO Electricity Market Notice 59834

The Hazelwood - South Morang No.1 500kV Line has been returned to service.

The following constraint set was revoked at 0500 hrs

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1



Manager NEM Real Time Operations

59847RECLASSIFY CONTINGENCY08/11/2017 12:41:13 AM

Cancellation of a Non-Credible Contingency Event: Moranbah - Goonyella 7369 and 7370 132 kV 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: Moranbah - Goonyella 7369 and 7370 132 kV lines

Cancellation time: 0035 hrs

Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 59845

Manager NEM Real Time Operations






59846RECLASSIFY CONTINGENCY08/11/2017 12:08:28 AM

Cancellation of a Non-Credible Contingency Event: Bouldercombe - Rockhampton 7108 and Bouldercombe - Egans Hill 7221 132 kV 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: Bouldercombe - Rockhampton 7108 and Bouldercombe - Egans Hill 7221 132 kV Lines

Cancellation time: 2400 hrs

Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 59843

Manager NEM Real Time Operations
59845RECLASSIFY CONTINGENCY07/11/2017 09:14:38 PM

Reclassification of a Non-Credible Contingency Event: Moranbah - Goonyella 7369 and 7370 132 kV 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: Moranbah - Goonyella 7369 and 7370 132 kV lines

Duration: 2105 hrs until further notice

Constraint set(s) invoked: Nil


Manager NEM Real Time Operations
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