Market Notices

Change Number: CHG0040404

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Electricity Market Management System

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

Change Start Date & Time: 20/09/2016 14:00:00 AEST

Change End Date & Time: 20/09/2016 15:00:00 AEST


Outage Start Date & Time:

Outage End Date & Time:


Change Description:

The EMMS Pre-Production Database is to be transferred to the alternate bay to support the release activities.

Environment: Pre-Production

Participant Impact and Requirements:

Awareness of this maintenance. The transfer is not expected to have any impact, however, 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.

Change Number: CHG0040427

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Gas Supply Hub

Change Title: Planned System Change - GAS Supply Hub - Pre-production

Change Start Date & Time: 19/09/2016 10:00:00 AEST

Change End Date & Time: 27/09/2016 17:00:00 AEST


Outage Start Date & Time:

Outage End Date & Time:


Change Description:

This change is implemented to apply updates to Pre-production Gas Supply Hub.

Environment: Pre-Production

Participant Impact and Requirements:

No Impact. Awareness of this change.

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

AEMO ELECTRICITY MARKET NOTICE.

This market notice is FOR INFORMATION ONLY.

The Heywood to South East No.1 275 kV line in South Australia and Victoria regions is planned out of service from 0700 hrs on 11 October 2016 to 1700 hrs on 13 October 2016. During this outage, Heywood 500/275 kV M1 transformer will be off-loaded

During this outage, a credible contingency can separate South Australia region from the rest of the NEM.

Under these circumstances, 35 MW of Raise and Lower regulation FCAS will be sourced from South Australia for the duration of this outage. In addition, consistent with AEMO existing procedures, adequate contingency FCAS lower requirements will also be sourced from South Australia at times when power transfer is from South Australia to Victoria.

The following constraint sets have been invoked for this outage:

F-I-HYSE (includes F-S_LREG_0035 and F-S_RREG_0035)
I-HYSE
S-X_BC_CP
V-HYTX_M12

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO will continue monitoring this proposed outage and will update the Market accordingly.


Terry Liu
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE.

Update to Market Notice 54686 and 54866

This market notice is FOR INFORMATION ONLY.

The current outage of the Heywood No.2 500 kV busbar in Victoria Region had been extended to 1700 hrs on 12 September 2016. The planned end time of this outage has been revised to 1000 hrs on the 11 September 2016.

Please refer to AEMO Network Outage Schedule (NOS) for further details.

During this outage, Heywood 500/275 kV M2 transformer will be off-loaded and Heywood - Mortlake - Alcoa Portland No.2 500 kV line will be opened at Heywood.

During this outage, a credible contingency can separate South Australia region from the rest of the NEM.

Under these circumstances, 35 MW of Raise and Lower regulation FCAS will be sourced from South Australia for the duration of this outage. In addition, consistent with AEMO existing procedures, adequate contingency FCAS lower requirements will also be sourced from South Australia at times when power transfer is from South Australia to Victoria.

The following constraint sets have been invoked for this outage:

F-I_HYSE (includes F-S_LREG_0035 and F-S_RREG_0035)
S-BOTH_BLKRG_C_OS
V-HYTX_M12
V-HY_500BUS

Manager NEM Real Time Operations

Change Number: CHG0040252

Notification issued to: Market Notice


Notification Type: Completed

Change Type: Normal

Service/ Component: STTM - Scheduling and Pricing Interface

Change Title: Planned System Outage on Gas Short Term Trading Market (STTM) : Site Transfer (QLD to NSW)

Change Description:
Site transfer will not be proceeding and has been postponed to a later date.

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

AEMO ELECTRICITY MARKET NOTICE.

Update to Market Notice 54686

This market notice is FOR INFORMATION ONLY.

The current outage of the Heywood No.2 500 kV busbar in Victoria Region has been extended to 1700 hrs on 12 September 2016. Please refer to AEMO Network Outage Schedule (NOS) for further details.

During this outage, Heywood 500/275 kV M2 transformer will be off-loaded and Heywood - Mortlake - Alcoa Portland No.2 500 kV line will be opened at Heywood.

During this outage, a credible contingency can separate South Australia region from the rest of the NEM.

Under these circumstances, 35 MW of Raise and Lower regulation FCAS will be sourced from South Australia for the duration of this outage. In addition, consistent with AEMO existing procedures, adequate contingency FCAS lower requirements will also be sourced from South Australia at times when power transfer is from South Australia to Victoria.

The following constraint sets have been invoked for this outage:

F-I_HYSE (includes F-S_LREG_0035 and F-S_RREG_0035)
S-BOTH_BLKRG_C_OS
V-HYTX_M12
V-HY_500BUS

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

**Re-scheduled outage from Ausnet. **
Orginally planned for 15/09/2016 0700 hrs to 15/09/2016 1700 hrs and now been rescheduled as below.

This market notice is FOR INFORMATION ONLY.

The Moorabool to Mortlake PS 500kV line in Victoria Region is planned out of service from 0700 hrs on 16 September 2016 to 1700 hrs on 16 September 2016.

During this outage, a credible contingency can separate South Australia region from the rest of the NEM.

Under these circumstances, 35 MW of Raise and Lower regulation FCAS will be sourced from South Australia for the duration of this outage. In addition, consistent with AEMO existing procedures, adequate contingency FCAS lower requirements will also be sourced from South Australia at times when power transfer is from South Australia to Victoria.

The following constraint sets have been invoked for this outage:

F-V-MLMO (includes F-S_LREG_0035 and F-S_RREG_0035)
S-X_BC_CP
V-MLMO

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO will continue monitoring this proposed outage and will update the Market accordingly.

Edmund Hon
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE.

This market notice is FOR INFORMATION ONLY.

The Heywood to Tarrone PS 500kV line in Victoria Region is planned out of service DAILY from 0630 hrs on 05 October 2016 to 1530 hrs on 07 October 2016.

During this outage, a credible contingency can separate South Australia region from the rest of the NEM.

Under these circumstances, 35 MW of Raise and Lower regulation FCAS will be sourced from South Australia for the duration of this outage. In addition, consistent with AEMO existing procedures, adequate contingency FCAS lower requirements will also be sourced from South Australia at times when power transfer is from South Australia to Victoria.

The following constraint sets have been invoked for this outage:

F-V-HYTR (includes F-S_LREG_0035 and F-S_RREG_0035)
S-X_BC_CP
V-HYTR

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO will continue monitoring this proposed outage and will update the Market accordingly.


Edmund Hon
AEMO Operations

Change Number: CHG0039839

Notification issued to: Market Notice


Notification Type: Completed

Change Type: Normal

Service/ Component: Gas Supply Hub

Change Title: Planned System Maintenance - Gas Supply Hub Production Site Transfer

Change Description:
Successfully completed.

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