Market Notices

Change Number: CHG0044413

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: Planned System Upgrade - EMMS Web Markets Portal (Production)

Change Start Date & Time: 03/08/2017 10:30:00 AEST

Change End Date & Time: 03/08/2017 16:30:00 AEST

Outage Start Date & Time: 03/08/2017 13:30:00 AEST

Outage End Date & Time: 03/08/2017 13:35:00 AEST

Change Description:

AEMO will be upgrading the EMMS market portal to work with the latest web browsers. A new look and feel will replace both existing web portals.

Please see the following document for more information.

http://aemo.com.au/-/media/Files/Electricity/NEM/IT-Systems-and-Change/2017/EMMS-Release-Schedule---Markets-Portal-Enhancements---August-2017.pdf

Environment: Production

Participant Impact and Requirements:

All users will be logged out once during the change window. When this occurs, users will need to re-login to the web portal and can resume their activities. Please ensure you are using one of the following browsers to log in to the new web portal:
- Firefox
- Chrome
- Internet Explorer - Edge or 11 (Note: older IE versions are no longer supported)

NEM Prudential dashboard has an upgraded look and feel.

New PM offset page available. Please see your Participant Administrator to receive the rights to access this page.

Note: Initial load time of some pages may be slow but subsequent loads should be faster.

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

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 26 July 2017

AEMO declared a schedule generating unit non-conforming

Unit: BRAEMAR3
Duration: 26/07/2017 08:40 to 26/07/2017 08:45
Amount: 40 MW
Constraint: NC-Q_BRAEMAR3

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 58869
There is no longer any lightning activity in the vicinity of the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0330 hrs.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation :Terranora
Unplanned outage of one cable of the Terranora interconnector occured at 0221 hrs 26/7/17
The following constraint set was invoked at 0230 hrs until futher notice.
N-MBTE_1
This Constraint Set contains an equation with the following interconnector on the LHS.
N-Q-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 0115 hrs 26/7/17 until further notice.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 58865
There is no longer any lightning activity in the vicinity of the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2350 hrs.

Manager NEM Real Time Operations

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 58864
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 2210 hrs.
Constraint Set V-DDGN_N-2 revoked.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Eildon - Mt. Beauty No. 1 and No. 2 220 kV Lines in Victoria due to Lightning.
Refer AEMO Electricity Market Notice 58863
There is no longer any lightning activity in the vicinity of the Eildon - Mt. Beauty No. 1 and No. 2 220 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2210 hrs.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 2150 hrs 25/7/17 until further notice.

Manager NEM Real Time Operations