Market Notices

Change Number: CHG0039137


Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: Market Settlement and Transfer Solution (MSATS)

Change Title: Planned Maintenance to MSATS Production System

Change Start Date & Time: 10/06/2016 18:30:00 AEST

Change End Date & Time: 10/06/2016 19:30:00 AEST


Outage Start Date & Time: 10/06/2016 18:30:00 AEST


Outage End Date & Time: 10/06/2016 19:30:00 AEST


Change Description:

This is a maintenance to MSATS Production Batch Handlers to fulfill a request by one of the registered participants.

Environment: Production

Participant Impact and Requirements:

Awareness of this Change. Participants will still be able to send files, these files will be queued for 5 to 10 minutes and processed after the change implementation.

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

AEMO ELECTRICITY MARKET NOTICE

Cancellation Non-credible contingency event - Victoria region - Monday, 30 May 2016

Jeeralang No 2 220 kV Busbar tripped at 1339 hrs in the Victoria region.

Jeeralang No 2 220 kV Busbar returned to service at 1425 hrs.

The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

The following constraint sets have been revoked at 1430 hrs

V-JL_BUS 2 and CA_SPS_465E4858


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Non-credible contingency event - Victoria region - Monday, 30 May 2016

Jeeralang No 2 220 kV Busbar tripped at 1339 hrs in the Victoria region.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.

To manage power system security for this event the following constraint sets have been invoked.

V-JL_BUS 2 and CA_SPS_465E4858


Manager NEM Real Time Operations

AEMO Telstra service outage to our internet access point within the AEMO QLD datacentre is now restored.

Impacts:
Participants connected to the AEMO QLD datacentre internet access point may have experienced issues as a result of the outage.
This issue has been resolved and the service is now available for use.

User Requirements:
Participants are reminded that service is restored to the QLD datacentre.
Both NSW and QLD datacentres are available for use and Participants can remain connected to their current internet access point.

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

Enterprise Technology Services

AEMO ELECTRICITY MARKET NOTICE.

This market notice is FOR INFORMATION ONLY.

There is short notice planned outage of Moorabool-Sydenham No.1 500 kV line and Sydenham-South Morang No.1 500 kV line between 0630-1600hrs on 29 May 2016 in Victoria region.

During this outage, following the next contingency (trip of the Moorabool-Sydenham No.2 500 kV line) South Australia region still remains connected to the NEM. However if this contingency occurs, AEMO will invoke the following FCAS regulation constraint sets to secure the power system in South Australia region:

F-S_LREG_0035
F-S_RREG_0035

Please also refer to market notice 52838.

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

Operations Planning

AEMO is currently experiencing a Telstra service outage to our internet access point within the AEMO QLD datacenter

Impacts:
Lan-2-Lan VPN Participants
Participants whom have established their VPN connection/s via the AEMO QLD datacenter termination point (202.44.76.10) will be unable to establish a connection.

Remote Access VPN Participants
Participants whom have established their Remote Access VPN connection/s established via the AEMO QLD datacenter termination point (202.44.76.8) will be unable to establish a connection.

User Requirements:
Lan-2-Lan VPN participants are encouraged to failover their VPN connections to the alternate AEMO NSW datacenter termination point (202.44.78.10).
Remote Access VPN Participants are encouraged to ensure they are connecting via the AEMO NSW datacenter VPN endpoint (202.44.78.8).

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

Enterprise Technology Services

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Brisbane Communication Issues - 27th May 2016

Refer to MN 53535

This is to advise that the problems on the AEMO Brisbane Control Centre Phone system have been resolved.

Participants may noiw use normal Brisbane Control Centre and Sydney Control Centre contact numbers.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Brisbane Communication Issues - 27th May 2016

This is to advise that problems exist on the AEMO Brisbane Control Centre Phone system.

Participants who normally communicate with the Brisbane Control Centre are advised to utilise the backup telephone numbers or the alternative Sydney Control Centre contact numbers.

Further information will be provided when the problem is rectified.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Non-credible contingency event - SA region - 26/05/2016

Update to Market Notice 53526

At 0851 hrs the South East - Tailem Bend No. 1 275 kV Line and the South East No. 1 275 kV SVC tripped.

At 0930 hrs the South East - Tailem Bend No. 1 275 kV Line was returned to service
At 1617 hrs the South East No. 1 275 kV SVC was returned to service

The following Constraint Sets were revoked at 1630 hrs.

S-SE_VC_1
V-2RP

See the AEMO Network Outage Scheduler (NOS) for further information

The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations