AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation: Hazelwood - South Morang No.1 500 kV Line (VIC) - Voltage Control

The Hazelwood - South Morang No.1 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 2230 hrs 21/11/2018.
V-HWSM

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

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

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

Manager NEM Real Time Operations

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: 21/11/2018 20:58

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 65496

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

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: QLD/NSW

Lines: Dumaresq - Bulli Creek No.8L and No.8M 330kV lines
Cancellation time: 21/11/2018 19:00
Constraint set(s) revoked: I-QNI_ONE_PHASE_N-2

Manager NEM Real Time Operations

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: Tarong - Chinchilla No.7168 132 kV and Tarong - Chinchilla No.7183 132 kV

Duration: 21/11/2018 18:55 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

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: 21/11/2018 18:13

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 65489

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

AEMO Intervention Event - Intervention price dispatch intervals - 21/11/2018

Refer AEMO Electricity Market Notice no. 65493

An AEMO Intervention Event occurred when AEMO issued a direction to maintain the power system in a secure operating state.

The AEMO Intervention Event commenced in the 1805 hrs dispatch interval 21/11/18 and is forecast to apply until 1300 hrs 22/11/2018.

AEMO declares all dispatch intervals during the AEMO Intervention Event to be intervention price dispatch intervals.

The direction is expected to affect dispatch quantities for intervention pricing purposes from the 0005 hrs dispatch interval on 22/11/2018.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Direction - South Australia region 21/11/2018

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region.

The direction was necessary to maintain the power system in a secure operating state.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided.

A further market notice will be issued when all directions related to this requirement have been cancelled.

For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).


Manager NEM Real Time Operations

Market Notice

Change Number: CHG0052010

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)

Change Title: MSATS CATS Production database Data Management (6 CATS tables)

Change Start Date & Time: 28/11/2018 17:30:00 AEST

Change End Date & Time: 28/11/2018 19:30:00 AEST

Outage Start Date & Time: 28/11/2018 17:30:00 AEST

Outage End Date & Time: 28/11/2018 19:30:00 AEST

Change Description:

Production MSATS will be down to perform maintenance activities.

Environment: Production

Participant Impact and Requirements:

Awareness of this Outage. The MSATS Production environment will be unavailable during the outage times mentioned above to perform the maintenance activities.

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

Market Notice

Change Number: CHG0050907

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

Change Title: Planned System Maintenance - Electricity MMS Production Site Transfer from Norwest to Brisbane

Change Start Date & Time: 26/11/2018 10:00:00 AEST

Change End Date & Time: 26/11/2018 14:00:00 AEST

Outage Start Date & Time:

Outage End Date & Time:

Change Description:

Maintenance is performed on the EMMS Production to support to allow maintenance work on the active site.

Environment: Production

Participant Impact and Requirements:

The transfer is not expected to have any impact on the production environment, however please be reminded that this activity is not without risk and therefore if any 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.