Power system disturbances
From time to time, disturbances occur on the South West interconnected system (SWIS), affecting frequency and voltage. For large scale events, System Management publishes summary information about the event.
The most recent examples are listed below:
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25/06/2020
Investigation Report - Under-Frequency Load Shedding
Date of incident: 10 January 2020
908.98 KB -
03/10/2016
Power System Disturbances Flyer
Date of incident: 9 November 2014
54.54 KB -
03/10/2016
Power System Disturbances Flyer
Date of incident: 6 March 2013
42.73 KB -
17/03/2008
Investigation Report - Investigation into the power system incident of 28 November 2007
Date of incident: 28 November 2007
132.53 KB