Market Notices

53562RECLASSIFY CONTINGENCY30/05/2016 01:20:56 AM

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

Lightning is occurring near the Ross - Chalumbin 857 and 858 275 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 0120 hrs 30/05/2016 until further notice.


Manager NEM Real Time Operations
53561RESERVE NOTICE29/05/2016 01:49:08 PM

Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016

The Forecast LOR1 condition in the NSW Region advised in AEMO Electricity Market Notice No. 53559 is cancelled at 1345 hrs 29 May 2016.


Manager NEM Real Time Operations
53560INTER-REGIONAL TRANSFER29/05/2016 01:25:00 PM

Inter-regional transfer limit variation Terranora- 29 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation Terranora- 29 May 2016
A short notice outage of Mudgeeraba Terranora 757 110 kV line in the QLD region has commenced at 1315 hrs.
The following constraints are invoked for this outage
I-MUTE_757
The outage constraints contain the following interconnectors on the LHS
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
53559RESERVE NOTICE29/05/2016 12:53:39 PM

Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region - PDPASA - 30 May 2016

AEMO ELECTRICITY MARKET NOTICE

Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region - PDPASA - 30 May 2016

AEMO declares a Forecast LOR1 condition for the NSW Region.

From 1800 hrs to 1900 hrs 30 May 2016

The contingency capacity reserve required is 1400 MW

The minimum reserve available is 1264 MW


Manager NEM Real Time Operations
53558RECLASSIFY CONTINGENCY29/05/2016 01:24:45 PM

Cancellation Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Refer AEMO Electricity Market Notice 53557
Constraint Set I-TE_ZERO to be revoked.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits to be a credible contingency event from 1315 hrs 29 May 2016

Manager NEM Real Time Operations
53557RECLASSIFY CONTINGENCY29/05/2016 10:24:32 AM

Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.

A Bushfire exists in the vicinity of the Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.

AEMO has reclassified the simultaneous trip of those circuits to be a credible contingency event from 1015 hrs 29 May 2016 until further notice.

Constraint Set I-TE_ZERO invoked.


Manager NEM Real Time Operations
53556INTER-REGIONAL TRANSFER29/05/2016 10:21:16 AM

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

The AEMO Dynamic Stability Analysis application is indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been invoked to apply offset reduction to the Victoria transient stability export limit.

Constraint V-DSA_STAB-50 invoked from 0155 hrs to 0220 hrs.
Constraint V-DSA_STAB-100 invoked from 0220 hrs to 0240 hrs.
Constraint V-DSA_STAB-150 invoked from 0240 hrs to 0500 hrs.
Constraint V-DSA_STAB-100 invoked from 0500 hrs to 0600 hrs

Constraints have the following interconnectors on the LHS

NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1


Manager NEM Real Time Operations
53555INTER-REGIONAL TRANSFER29/05/2016 04:50:59 AM

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

AEMO ELECTRICITY MARKET NOTICE

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

The AEMO Dynamic Stability Analysis application is indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been invoked to apply offset reduction to the Victoria transient stability export limit.

Constraint V-DSA_STAB-50 invoked from 0155 hrs to 0220 hrs.
Constraint V-DSA_STAB-100 invoked from 0220 hrs to 0240 hrs.
Constraint V-DSA_STAB-150 invoked from 0240 hrs to 0500 hrs.
Constraint V-DSA_STAB-100 invoked from 0500 hrs until further notice.

Constraints have the following interconnectors on the LHS

NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1


Manager NEM Real Time Operations
53554INTER-REGIONAL TRANSFER29/05/2016 02:36:40 AM

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

AEMO ELECTRICITY MARKET NOTICE

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

The AEMO Dynamic Stability Analysis application is indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been invoked to apply offset reduction to the Victoria transient stability export limit.

Constraint V-DSA_STAB-50 invoked from 0155 hrs to 0220 hrs.
Constraint V-DSA_STAB-100 invoked from 0220 hrs to 0240 hrs.
Constraint V-DSA_STAB-150 invoked from 0240 hrs until further notice.

Constraints have the following interconnectors on the LHS

NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1


Manager NEM Real Time Operations
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