South Australia has the highest wind and solar share – an average of around 72 per cent over the last 12 months – vastly more than other state in Australia, and higher than any other gigawatt scale grid in the world.
Renewable energy critics, particularly those that don’t understand the way that grids work, instantly assume that this means South Australia’s grid must be weak and unreliable. But that is simply not true, and a new report from Australian Energy Market Operator on “system strength” underlines why this is so.
System strength is an important part of grid security, and – according to AEMO – describes the ability of the power system to maintain and control the voltage waveform at a given location, when the grid is running normally and particularly when it has to deal with a major disturbance.
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