Market Notices

53437INTER-REGIONAL TRANSFER20/05/2016 02:25:37 AM

Inter-regional Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control - 20 May 2016

The Greenbank to Middle Ridge (8849) 275kV Line has been de-energised to manage voltages in the Qld region.

The following constraint set was invoked at 0225 hrs until further notice.

Q-MRGB_8848_8849

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

NSW-QLD1
N-Q-MNSP1



Manager NEM Real Time Operations
53436INTER-REGIONAL TRANSFER20/05/2016 02:15:07 AM

Inter-regional transfer limit variation for Transient Stability Limit - Vic Region - 20 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation for Transient Stability Limit - Vic Region - 20 May 2016

The AEMO Dynamic Stability Analysis application is indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region.

The following constraints have been invoked to apply offset reductions to the Victoria transient stability export limit.

Constraint V-DSA_STAB-050 invoked from 0215 hrs until further notice

Constraints have the following interconnectors on the LHS
NSW1-QLD1
T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

Manager NEM Real Time Operations
53435INTER-REGIONAL TRANSFER20/05/2016 01:15:07 AM

Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 20 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 20 May 2016

The Tarong to South Pine (832) 275kV Line has been de-energised to manage voltages in the Qld region.

The following constraint set was invoked at 0115 hrs until further notice.

Q-TRSP_832

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

N-Q-MNSP1


Manager NEM Real Time Operations
53409MARKET SYSTEMS19/05/2016 09:05:38 AM

Market Settlements & Transfer System

Change Number: CHG0038481


Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Market Settlements & Transfer System

Change Title: Planned System Maintenance (Site Transfer) on Market Settlement and Transfer Solutions (MSATS)

Change Start Date & Time: 25/05/2016 17:30:00 AEST

Change End Date & Time: 25/05/2016 19:30:00 AEST


Outage Start Date & Time: 25/05/2016 17:30:00 AEST


Outage End Date & Time: 25/05/2016 19:30:00 AEST


Change Description:

Electricity MSATS Production Site Transfer will be carried out from QLD to NSW Site to allow maintenance work on QLD Site.

Environment: Production

Participant Impact and Requirements:

Access to all parts of the Electricity MSATS system may be interrupted during the outage period. Access should be attempted outside these times.

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

53408MARKET SYSTEMS19/05/2016 09:02:33 AM

Electricity Market Management System

Change Number: CHG0038789

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 - EMMS Mid Year Release

Change Start Date & Time: 24/05/2016 13:00:00 AEST

Change End Date & Time: 24/05/2016 15:00:00 AEST


Change Description:

The EMMS Production Database in the active site is to be transferred to the alternate bay to support the maintenance 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.
53401INTER-REGIONAL TRANSFER18/05/2016 05:14:33 AM

Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 18 May 2016

Refer MN 53400

The Tarong to South Pine (832) 275kV Line has been returned to service.

The following constraint set was revoked at 0540 hrs..

Q-TRSP_832

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

N-Q-MNSP1


Manager NEM Real Time Operations
53400INTER-REGIONAL TRANSFER18/05/2016 03:03:57 AM

Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 18 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 18 May 2016

The Tarong to South Pine (832) 275kV Line has been de-energised to manage voltages in the Qld region.

The following constraint set was invoked at 0310 hrs until further notice.

Q-TRSP_832

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

N-Q-MNSP1


Manager NEM Real Time Operations
53399INTER-REGIONAL TRANSFER17/05/2016 02:57:25 PM

Inter-Regional Transfer Limit Variation - Directlink - NSW Region 17 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer Limit Variation - Directlink - NSW Region - 17 May 2016

The planned outage of the DC2 pole of Directlink was scheduled to complete at 1700 hrs 18/05/16.

The outage has completed early

The following constraint set for this outage was revoked at 1455 hrs.
N-X_MBTE_2

The constraint set contains the following interconnector on the left hand side:
N-Q-MNSP1

See AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
53398MARKET SYSTEMS17/05/2016 02:47:51 PM

Planned System Maintenance - Electricity MMS Production - Bay Transfer

Change Number: CHG0038121

Notification issued to: Market Notice


Notification Type: Completed

Change Type: Normal

Service/ Component: Electricity Market Management System

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

Change Description:
Transfer completed successfully

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


Trevor fox
AEMO Supporthub
X
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