Market Notices

61095RECLASSIFY CONTINGENCY03/02/2018 06:26:40 PM

Reclassification of a Non-Credible Contingency Event: Moranbah - Goonyella No.7370 132 kV line and Moranbah - Goonyella No.7369 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: Moranbah - Goonyella No.7370 132 kV and Moranbah - Goonyella No.7369 132 kV

Duration: 03/02/2018 18:26 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
61094INTER-REGIONAL TRANSFER03/02/2018 06:27:46 PM

Cancellation - Inter-regional transfer limit variation: Moorabool - Sydenham No. 2 500 kV line in Victoria.

AEMO ELECTRICITY MARKET NOTICE

Refer AEMO Electricity Market Notice 61092

The Moorabool - Sydenham No. 2 500 kV line has been returned to service.

Constraint set V-MLSY_NOEMTT_R has been revoked at 1825 hrs 3/02/2018.

Manager NEM Real Time Operations
61093RECLASSIFY CONTINGENCY03/02/2018 05:59:30 PM

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: 03/02/2018 17:59 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
61092INTER-REGIONAL TRANSFER03/02/2018 06:00:59 PM

Inter-regional transfer limit variation: Moorabool - Sydenham No. 2 500 kV line in Victoria.

AEMO ELECTRICITY MARKET NOTICE

There is a short notice outage of the Moorabool - Sydenham No. 2 500 kV line in Victoria.

Constraint set V-MLSY_NOEMTT_R has been invoked from 1800 hrs 3/02/2018.

This Constraint Set contains equations with the following interconnector on the LHS.

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

See AEMO Network Outage Scheduler (NOS) for further details

Manager NEM Real Time Operations
61091NON-CONFORMANCE03/02/2018 11:55:20 AM

NON-CONFORMANCE Region NSW1 Saturday, 3 February 2018

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Saturday, 3 February 2018

AEMO declared a schedule generating unit non-conforming

Unit: LD02
Duration: 03/02/2018 11:50 to 03/02/2018 11:55
Amount: -35 MW
Constraint: NC-N_LD02

Auto-generated on behalf of Manager NEM Real Time Operations
61090INTER-REGIONAL TRANSFER03/02/2018 08:41:48 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Refer AEMO Electricity Market Notice 61088

The Hazelwood - South Morang No.2 500 kV Line has been returned to service.
The following constraint set was revoked at 0755 hrs 03/02/2018.

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
61089RECLASSIFY CONTINGENCY03/02/2018 03:14:35 AM

Cancellation of a Non-Credible Contingency Event: Bouldercombe - Rockhampton No.7108 132 kV line and Bouldercombe - Egans Hill No.7221 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: Bouldercombe - Rockhampton No.7108 132 kV and Bouldercombe - Egans Hill No.7221 132 kV

Cancellation time: 03/02/2018 03:14

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 61087

Auto-generated on behalf of Manager NEM Real Time Operations
61088INTER-REGIONAL TRANSFER03/02/2018 02:14:20 AM

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

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - South Morang No.2 500 kV Line has been de-energised to manage voltages in the VIC region.
The following constraint set was invoked at 0210 hrs 03/02/2018.
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

Manager NEM Real Time Operations
61087RECLASSIFY CONTINGENCY03/02/2018 02:11:10 AM

Reclassification of a Non-Credible Contingency Event: Bouldercombe - Rockhampton No.7108 132 kV line and Bouldercombe - Egans Hill No.7221 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: Bouldercombe - Rockhampton No.7108 132 kV and Bouldercombe - Egans Hill No.7221 132 kV

Duration: 03/02/2018 02:11 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
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