AEMO has released its preliminary report into the South Australian separation event on 1 December 2016. The report states that at 0016 hrs (AEST) on 1 December 2016, a fault on the Moorabool to Tarrone 500kV transmission line in Victoria resulted in the South Australia (SA) electricity network being disconnected from Victoria.

This Insights report provides a preliminary assessment of some of the potential impacts of the closure decision Hazelwood power station. Further investigation is required to gain a deeper, more holistic understanding of scenarios whereby the power system is operating with less synchronous generation.

In this updated report, it is now known that five system faults occurred within a period of 88 seconds on 28 September 2016, leading to six voltage disturbances. Data now shows that nine of the 13 wind farms online at the time of the event did not ride through the six voltage disturbances, resulting in...

This preliminary report explains how severe weather moved through South Australia on the afternoon of Wednesday 28 September 2016, with high winds, thunderstorms, lightning strikes, hail, and heavy rainfall. The weather resulted in multiple transmission system faults including, in the space of 12 seconds, the loss of three major 275 kV transmission lines north of...