20 February, 2017

Australian wind farms to compete with gas to provide grid stability

One of the country’s biggest and most recent wind farms will conduct a major trail in South Australia in June to try to dispel one of the biggest myths about wind energy – that wind farms are unable to add to energy security.
Wind caused the trouble in South Australia,
but could actually be the answer.

The trial – involving the newly constructed 100MW Hornsdale 2 wind farm (which will only be beginning production this week) is being funded by the Australian Renewable Energy Agency and will also involve the Australian Energy Market Operator.

The intention is to show that wind farms can provide what is known as FCAS – frequency control and ancillary services – a critical component in ensuring grid stability in the face of unexpected voltage swings and other faults. Many insist that only coal and gas generators can provide this so-called “inertia” to the grid.

AEMO believes that encouraging wind farms to provide FCAS will add more fuel choice to the narrow FCAS market, and lower prices. Currently, only a few gas generators provide FCAS in South Australia, leading to massive price spikes when the service is called upon.


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