Market Notices

55406MARKET SYSTEMS18/10/2016 07:58:51 AM

CHG0040405 - Planned System Change - Electricity MMS Production Bay Transfer

Market Notice - Reminder of MN55258

Change Number: CHG0040405


Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: Planned System Change - Electricity MMS Production Bay Transfer

Change Start Date & Time: 18/10/2016 13:00:00 AEST

Change End Date & Time: 18/10/2016 15:00:00 AEST


Outage Start Date & Time: NIL


Outage End Date & Time: NIL


Change Description:

Maintenance is performed and EMMS Production Bay transfer is required to support the GSH release activities.

Environment: Production

Participant Impact and Requirements:

The transfer is not expected to have any impact, however there may be some disconnections to the AEMO Web Portal. Participants are reminded that this activity is not without risk and therefore if an electricity market system issue is identified after the transfer it should be reported to AEMO

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
55405RECLASSIFY CONTINGENCY17/10/2016 05:28:45 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.
Refer AEMO Electricity Market Notice 55403
There is no longer any lightning activity in the vicinity of the Tarong - Chinchilla 7183 and 7168 132 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1720 hrs, 17/10/2016.

Manager NEM Real Time Operations
55404RECLASSIFY CONTINGENCY17/10/2016 03:56:48 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chinchilla - Columboola 7349 and 7350 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chinchilla - Columboola 7349 and 7350 132 kV Lines in Queensland due to Lightning.
Refer AEMO Electricity Market Notice xxxxx
There is no longer any lightning activity in the vicinity of the Chinchilla - Columboola 7349 and 7350 132 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 1545 hrs, 17/10/16.

Manager NEM Real Time Operations


55403RECLASSIFY CONTINGENCY17/10/2016 02:52:46 PM

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Tarong - Chinchilla 7183 and 7168 132 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 1445 hrs 17/10/16 until further notice.

Manager NEM Real Time Operations
55402RECLASSIFY CONTINGENCY17/10/2016 02:13:29 PM

Reclassification of a Non-Credible Contingency Event: Chinchilla - Columboola 7349 and 7350 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Chinchilla - Columboola 7349 and 7350 132 kV Lines in Queensland due to Lightning.

Lightning is occurring near the Chinchilla - Columboola 7349 and 7350 132 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 1400 hrs 17/10/16 until further notice.


Manager NEM Real Time Operations

55401RECLASSIFY CONTINGENCY16/10/2016 10:16:00 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 and No.3 220 kV Lines in Victoria due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 and No.3 220 kV Lines in Victoria due to Lightning.
Refer AEMO Electricity Market Notice 55399
There is no longer any lightning activity in the vicinity of the Dederang - Glenrowan No.1 and No.3 220 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2200 hrs.
Constraint Set V-DDGN_N-2 revoked.

Manager NEM Real Time Operations
55400NON-CONFORMANCE16/10/2016 06:50:12 PM

NON-CONFORMANCE Region QLD1 Sunday, 16 October 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Sunday, 16 October 2016

AEMO declared a schedule generating unit non-conforming

Unit: BRAEMAR3
Duration: 16/10/2016 18:45 to 16/10/2016 18:50
Amount: -32 MW
Constraint: NC-Q_BRAEMAR3

Auto-generated on behalf of Manager NEM Real Time Operations
55399RECLASSIFY CONTINGENCY16/10/2016 04:19:46 PM

Reclassification of a Non Credible Contingency Event: Dederang-Glenrowan No.1 and No.3 220kV lines in Victoria.


AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non Credible Contingency Event: Dederang-Glenrowan No.1 and No.3 220kV lines in Victoria.

Lightning is occurring near the Dederang-Glenrowan No.1 and No.3 220kV 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 1620 hrs Sunday, 16 October 2016until further notice.

Constraint Set V-DDGN_N-2 invoked.

This Constraint Set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
V-SA
VIC1-NSW1


Manager NEM Real Time Operations

55398INTER-REGIONAL TRANSFER16/10/2016 01:26:59 PM

Cancellation - Inter-regional transfer limit variation NSW region. Regentville -Sydney West 38 330 kV Transmission line and Bayswater - Sydney West 32 330 kV Transmission line short notice outage Sunday, 16 October 2016.

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation NSW region. Regentville -Sydney West 38 330 kV Transmission line and Bayswater - Sydney West 32 330 kV Transmission line short notice outage Sunday, 16 October 2016.

The Regentville -Sydney West 38 and Bayswater - Sydney West 32 330 kV Transmission lines returned to service.

The following constraint set was revoked at 1325 hrs.

N-BWSW_TWO

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

N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1



Manager NEM Real Time Operations
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