Market Notices

79521INTER-REGIONAL TRANSFER01/11/2020 05:07:34 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - Rowville No.3 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation: Hazelwood - Rowville No.3 500 kV Line (Vic) - Voltage Control

Refer AEMO Electricity Market Notice 79250

The Hazelwood - Rowville No.3 500 kV Line has been returned to service.

The following constraint set was revoked at 0515 hrs 1/11/2020.

V-X_HWSM_HWR03

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
79520INTER-REGIONAL TRANSFER01/11/2020 03:47:15 AM

Inter-regional transfer limit variation: Hazelwood - Rowville No.3 500 kV Line (VIC) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - Rowville No.3 500 kV Line has been de-energised to manage voltages in the VIC region.

The following constraint set was invoked at 0235 hrs 01/11/2020

V-X_HWSM_HWRO3

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
79519RECLASSIFY CONTINGENCY01/11/2020 12:59:40 AM

Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV

Cancellation time: 01/11/2020 00:59

Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1


Refer AEMO Electricity Market Notice 79518

Auto-generated on behalf of Manager NEM Real Time Operations
79518RECLASSIFY CONTINGENCY31/10/2020 11:55:48 PM

Reclassification of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV

Duration: 31/10/2020 23:55 until further notice

Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
79517RECLASSIFY CONTINGENCY31/10/2020 09:04:40 PM

Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV

Cancellation time: 31/10/2020 21:04

Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1


Refer AEMO Electricity Market Notice 79515

Auto-generated on behalf of Manager NEM Real Time Operations
79515RECLASSIFY CONTINGENCY31/10/2020 07:59:35 PM

Reclassification of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV 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: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV

Duration: 31/10/2020 19:59 until further notice

Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
79514RECLASSIFY CONTINGENCY31/10/2020 07:06:41 PM

Cancellation of the reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No. 1 and No. 3 220kV lines and Numurkah Solar Farm in VIC due to lightning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the 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: VIC

Lines: Dederang - Glenrowan No. 1 and No. 3 220kV lines and Numurkah Solar Farm

Cancellation time: 19:05 hrs 31/10/2020

Constraint set(s) revoked: V-NIL_DDGN_NSF_N-2

Refer AEMO Electricity Market Notice 79502

Manager NEM Real Time Operations
79513RECLASSIFY CONTINGENCY31/10/2020 07:04:40 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: 31/10/2020 19:04

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 79504

Auto-generated on behalf of Manager NEM Real Time Operations
79512RECLASSIFY CONTINGENCY31/10/2020 04:34:40 PM

Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 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: NSW1

Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 31/10/2020 16:34

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 79501

Auto-generated on behalf of Manager NEM Real Time Operations
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