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End of Event - Severe Space Weather warning for sustained GIC 24/04/2023
Refer MN 107564
End of Event - Severe Space Weather warning for sustained GIC 24/04/2023
The Australian Bureau of Meteorology's Space Weather Forecasting Centre has issued the following;
Severe geomagnetic storm END
Please monitor the SWS website for further updates at https://www.sws.bom.gov.au
Manager NEM Real Time Operations
Update - Severe Space Weather warning for sustained GIC 24/04/2023
Refer MN 107539
Update - Severe Space Weather warning for sustained GIC 24/04/2023
The Australian Bureau of Meteorology's Space Weather Forecasting Centre has issued the following warning
Severe space weather warning: Severe Space Weather warning for sustained GIC
Increased awareness of critical infrastructure is advised.
Please monitor the SWS website for further updates at https://www.sws.bom.gov.au
If required; actions will be taken as per AEMO's system operating procedure SO_OP3715 Power System Security Guidelines.
Manager NEM Real Time Operations
AEMO is experiencing a service interruption relating to all Victoria SCADA.
SERVICE INTERRUPTION
AEMO is experiencing a service interruption relating to all Victoria SCADA.
AEMO will provide updates as more information becomes available.
Manager NEM Real Time Operations
Severe Space Weather Watch Notification 22/04/2023
Severe Space Weather Watch Notification 22//04/2023
The Australian Bureau of Meteorology's Space Weather Forecasting Centre has issued the following notification.
Severe space weather watch: A recent Coronal Mass Ejection associated with a solar flare is anticipated to impact the Earth within the next 48 hours.
Increased awareness of critical infrastructure is advised.
Please monitor the SWS website for further updates at https://www.sws.bom.gov.au
If required; actions will be taken as per AEMO's system operating procedure SO_OP3715 Power System Security Guidelines.
Manager NEM Real Time Operations
Cancellation - Psymetrix PhasorPoint - Unplanned Outage 13/04/2023
Refer AEMO Electricity Market Notice 107464
AEMO Psymetrix PhasorPoint application has returned to service.
The following constraint set was invoked from 1955 hrs 13/04/2023 to 1055 hrs
I-OSC_STAB_MON
The constraint set contains the following interconnectors on the left hand side.
NSW1-QLD1
V-S_MNSP1
V-SA
VIC1-NSW1
Manager NEM Real Time Operations
Psymetrix PhasorPoint - Unplanned Outage - 13/04/2023
There is an unplanned outage of AEMO Psymetrix PhasorPoint application.
The following constraint set was invoked at 1955 hrs 13/04/2023
I-OSC_STAB_MON
The constraint set contains the following interconnectors on the left hand side.
NSW1-QLD1
V-S_MNSP1
V-SA
VIC1-NSW1
Manager NEM Real Time Operations
Cancellation: Non-credible contingency event more likely to occur due to existence of abnormal conditions - NSW region
Abnormal conditions advised in AEMO Electricity Market Notice 107334 have ceased to impact the likelihood of a non-credible event occurring as at 2330 hrs 07/04/2023
Manager NEM Real Time Operations
Update - Vulnerable lines in NSW region.
Vulnerable lines in NSW region.
Refer to AEMO Electricity Market Notices 107335 and 107336
At 1828 hrs the Mt Piper - Bannaby 5A6 500 kV line and Mt Piper - Bannaby 5A7 500 kV line tripped and auto reclosed.
The cause of trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Mt Piper - Bannaby 5A6 500 kV and Mt Piper - Bannaby 5A7 500 kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Cancellation: Non-credible contingency event more likely to occur due to existence of abnormal conditions - Qld region
Abnormal conditions advised in AEMO Electricity Market Notice 107330 have ceased to impact the likelihood of a non-credible event occurring as at 2115 hrs 07/04/2023
Manager NEM Real Time Operations