AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Braemar2 Power Station in Queensland Region

Refer market notice: 55582

Based on advice from the asset owner, the simultaneous trip of all three generating units at Braemar2 Power Station is a credible contingency event when all three units are online.

AEMO has reclassified this event as a credible contingency from 1630 hrs, 09/11/2016 until further notice.


Manager NEM Real Time Operations

Change Number: CHG0040814

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: QLD MARKETNET POP

Change Title: Planned System Outage - Software Upgrade - QLD MarketNet VPN POP

Change Start Date & Time: 16/11/2016 08:00:00 AEST

Change End Date & Time: 16/11/2016 14:00:00 AEST

Outage Start Date & Time: 16/11/2016 08:30:00 AEST

Outage End Date & Time: 16/11/2016 12:00:00 AEST

Change Description:

Software Upgrade is performed to increase the reliability and stability of the QLD MarketNet VPN POP.

Purpose: Software Upgrade is performed to increase the reliability and stability of the QLD MarketNet VPN POP.

Environment: Production

Participant Impact and Requirements:

All MarketNet access via the QLD VPN POP

IPWAN - 1 x 30 second disruptions.

Redirect VPN access via the NSW VPN POP:
- Site-to-Site: 202.44.78.10
- VPN Variable: 202.44.78.8

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

Change Number: CHG0041062

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Consumer Administration and Transfer Solution

Change Title: Planned System Change - MSATS Production Year-End 2016 - Release 46.86 - Stage 2

Change Start Date & Time: 16/11/2016 17:30:00 AEST

Change End Date & Time: 16/11/2016 19:30:00 AEST

Outage Start Date & Time: 16/11/2016 17:30:00 AEST

Outage End Date & Time: 16/11/2016 19:30:00 AEST

Change Description:

The MSATS Production system will be upgraded with the MSATS 46.86 Year-end Release as per the change notice 933A issued on 12th August 2016.

Note: This release implements the latest version of Enumerations (7.0).

Environment: Production

Participant Impact and Requirements:

Awareness of this Outage. MSATS Production environment will be unavailable during the outage times mentioned above.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Coffs Harbour to Raleigh (9W3) and Boambee South (9W8) 132kV Lines in NSW Region due to Lightning.

Lightning is occurring near the Coffs Harbour to Raleigh (9W3) and Coffs Harbour to Boambee South (9W8) 132kV 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 1530 hrs 09/11/16 until further notice.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Coffs Harbour to Raleigh (9W3) and the Boambee South to Nambucca (9W7) 132 kV Lines in the NSW region due to Lightning.

Lightning is occurring near the Coffs Harbour to Raleigh (9W3) and the Boambee South to Nambucca (9W7) 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 1530 hrs 09/11/16 until further notice.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non Credible Contingency Event: Tarong - Chinchilla 7183 and 7168 132 kV lines in Queensland.

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 1420 hrs 09/11/2016 until further notice.


Manager NEM Real Time Operations

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 1410 hrs 09/11/2016 until further notice.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 9 November 2016

AEMO declared a schedule generating unit non-conforming

Unit: MP1
Duration: 09/11/2016 02:05 to 09/11/2016 02:35
Amount: -68 MW
Constraint: NC-N_MP1

Auto-generated on behalf of Manager NEM Real Time Operations

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 55594
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 2240 hrs, 08/11/2016.

Manager NEM Real Time Operations