George Brandis (Queensland, Liberal Party, Attorney-General) Share this | Hansard source

Senator Di Natale, I reject that entirely. I reject that entirely, and it has also been rejected, by the way, by the AEMO, which investigated the matter and said:

A number of wind turbine generators in the mid-north of SA exhibited a reduction in power or disconnected as the number of faults grew.

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The significance of the event and the intensity of review has brought to the fore a range of broader issues associated with the changing generation mix across the NEM—

the network—

The generation mix now includes more non-synchronous and inverter-connected plant, which has different characteristics to conventional plant and uses active control systems to ride through disturbances.

The growing proportion of this type of generating plant within the generation portfolio is leading to more periods with low inertia and low available fault levels—