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Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 20/01/2020 16:50 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
CHG0057607 : Maintenance activities on GAS B2B Pre-Production servers - PRE-PRODUCTION
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: Maintenance activities on GAS B2B Pre-Production servers.
Change Start Date & Time: 28/01/2020 11:00:00 AEST
Change End Date & Time: 28/01/2020 15:00:00 AEST
Outage Start Date & Time: 28/01/2020 11:00:00 AEST
Outage End Date & Time: 28/01/2020 15:00:00 AEST
Change Description:
Maintenance activities on GAS B2B Pre-Production servers.
Environment: Pre-Production
Participant Impact and Requirements:
The following impacts are expected during this maintenance:
- All access to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, FBS, FBSTEST, LVI & VENCORP) will be unavailable.
- CATS and MDMT transactions for VIC/QLD will be delayed during the maintenance window.
- Users are not required to take any action due to this change.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Reclassification of a Non-Credible Contingency Event: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV line and Goonyella - Newlands No. 7155 132 kV line in QLD1 due to Lightning.
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: Goonyella - Nth Goonyella T- Stoney Creek 7122 132 kV and Goonyella - Newlands No. 7155 132 kV
Duration: 20/01/2020 15:59 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Tarong - Chinchilla No.7168 132 kV line and Tarong - Chinchilla No.7183 132 kV line in QLD1 due to Lightning.
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: 20/01/2020 15:59
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 72759
Auto-generated on behalf of Manager NEM Real Time Operations
AEMO Help Desk Bulletin No. 2398 : CHG0057609 : Maintenance activities on Electricity B2B Pre-Production servers - PRE-PRODUCTION
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Business to Business data exchange
Change Title: Maintenance activities on Electricity B2B Pre-Production servers.
Change Start Date & Time: 28/01/2020 15:00:00 AEST
Change End Date & Time: 28/01/2020 17:00:00 AEST
Outage Start Date & Time: 28/01/2020 15:00:00 AEST
Outage End Date & Time: 28/01/2020 17:00:00 AEST
Change Description:
Maintenance activities on Electricity B2B Pre-Production servers.
Environment: Pre-Production
Participant Impact and Requirements:
The following impacts are expected during this maintenance:
- All access to the Electricity B2B Hub will be unavailable.
- Users are not required to take any action due to this change.
Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Update - Contingency event more likely to occur due to abnormal conditions - NSW region.
Refer AEMO Electricity Market Notice No. 72752
AEMO has identified that abnormal conditions have ceased in the NSW region, namely DAMAGING WINDS and HEAVY RAINFALL in the Snowy Mountains and South West Slopes weather districts which increases the risk of a contingency event occurring.
Given the reduced risk, AEMO has revoked the following constraints:
I-VN_0500
I-NV_0500
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the New South Wales Region on 23/01/2020
The Forecast LOR1 condition in the New South Wales region advised in AEMO Electricity Market Notice No. 72725 is cancelled at 1400 hrs 20/01/2020.
No LOR condition is currently forecast in the STPASA period.
Danushka Sooriyadasa
AEMO Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 20/01/2020
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 72779 is cancelled at 1440 hrs 20/01/2020
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.
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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 20/01/2020 14:18 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations