AEMO ELECTRICITY MARKET NOTICE
Interregional Transfer Limit Variation, South Australia Region Wednesday 26 May 2016
At 0851 hrs, in the South Australia region the Tailem Bend to South East No.1 Line tripped in conjunction with the No.1 South East SVC.
Refer to Market Notice 53526
The following Constraint Sets have been invoked
S-TBSE at 0900 hrs
V-2RP at 0905 hrs
S-SE_VC_1 at 0905 hrs
These Constraint Sets contain equations with the following interconnector on the LHS
NSW1-QLD1
V-S-MNSP1
V-SA
VIC1-NSW1
T-V-MNSP1
See the AEMO Network Outage Scheduler (NOS) for further information
Manager NEM Real Time Operations
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53525 26 May 2016 9:20 INTER-REGIONAL TRANSFER
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Interregional Transfer Limit variation, South Australia Region Wednesday 26 May 2016
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53528 26 May 2016 16:39 POWER SYSTEM EVENTS
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Update - Non-credible contingency event - SA region - 26/05/2016
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
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53546 27 May 2016 9:19 MARKET SYSTEMS
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Lan-2-Lan VPN service outage to internet access point within AEMO QLD Datacenter
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
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53548 27 May 2016 15:44 MARKET SYSTEMS
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Lan-2-Lan VPN service restored to internet access point within AEMO QLD Datacenter
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
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53607 03 Jun 2016 21:33 RECLASSIFY CONTINGENCY
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Reclassification of a Non-Credible Contingency Event: Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event: Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 2130 hrs 03/06/16 until further notice.
Manager NEM Real Time Operations
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53616 04 Jun 2016 1:51 RECLASSIFY CONTINGENCY
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Cancellation of the Reclassification of a Non-Credible Contingency Event: Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of the Reclassification of a Non-Credible Contingency Event: Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.
Refer AEMO Electricity Market Notice 53607
There is no longer any lightning activity in the vicinity of the Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0150 hrs.
Manager NEM Real Time Operations
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53627 05 Jun 2016 17:09 MARKET SYSTEMS
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INC0022428 - Unplanned System Outage - Gas Bulletin Board
Market Notice
Incident Number: INC0022428
Notification issued to: Market Notice
Notification Type: Alert/Update
Service/ Component: Gas Bulletin Board
Title: Unplanned System Outage - Gas Bulletin Board
Impacts:
Participants unable to upload files to the Gas Bulletin Board via website or FTP
User Requirements:
Participants to be aware that AEMO are working to resolve an uplanned outage of the Gas Bulletin Board
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Enterprise Technology Services
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53628 05 Jun 2016 18:08 MARKET SYSTEMS
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INC0022428 - Unplanned System Outage - Gas Bulletin Board - service restored
Market Notice
Incident Number: INC0022428
Notification issued to: Market Notice
Notification Type: Alert/Update
Service/ Component: Gas Bulletin Board
Title: Unplanned System Outage - Gas Bulletin Board - service restored
Impacts:
Participants were unable to upload files to the Gas Bulletin Board via website or FTP
User Requirements:
Participants to be aware that the Gas Bulletin Board website and FTP service has been restored.
Participants might experience some slow upload performance as the Gas Bulletin Board returns to normal.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Enterprise Technology Services
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53992 19 Jun 2016 3:37 RECLASSIFY CONTINGENCY
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Reclassification of a Non-Credible Contingency Event: Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event: Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Collinsville North - Mackay Tee Proserpine 7125 and 7126 132 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 0335 hrs 19/06/16 until further notice.
Manager NEM Real Time Operations
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