Articles

Ararat Wind Farm at full capacity

Brief note about completion of construction at Ararat Wind Farm

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Noteworthy analysis of the state-wide blackout across South Australia on 28th September 2016

A listing of key reports and analysis into the SA blackout of 28th September 2016.

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End of an era at Hazelwood

A record of the closure of Hazelwood this week – and some initial thoughts on the implications

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Adding a Slice of Cheese

The South Australian Blackout of 28th September 2016 is not as simple as it looks.

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[POSTED 13:40] TC Debbie dampens electricity consumption in Queensland

A quick look (posted 13:40) at electricity consumption in Northern Queensland with the onset of Tropical Cyclone Debbie

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A sudden series of SA spikes

Tight import limits on the Heywood interconnector and a lull in wind output saw price volatility return to South Australia earlier this week

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NEM FCAS causer pays factor issues for wind and solar farms

Generators used to consider the Australian National Electricity Market (NEM) FCAS causers pays factors (CPF), used to allocate FCAS regulation costs across the market, as an obscure and unimportant technically challenging curiosity. Since 2014, the cost of FCAS regulation services for generators has increased from just under $5 million per year to greater than $60 million for 2016 and now has the attention of all of the generators, especially if their portfolio includes generation assets in regions with a lack of FCAS regulation providers and high prices such as South Australia.

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Fast Frequency Service – Treating the symptom not the cause?

The National Electricity Market (NEM) is designed to operate at 50 Hz. Frequency deviation occurs when generation and load are mismatched. It is important in a lightly meshed and long network such as the NEM to maintain tight frequency control and that frequency response is available throughout the network.

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Let’s talk about FCAS

Ancillary Services Matter! No longer just realm of electrical engineer or energy trading boffins, ancillary services (and particularly Frequency Control Ancillary Services or FCAS which will concentrate on today) have become front and centre in so many ways that barely a day goes by without market observers referring to grid stability, inertia or frequency management.

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On batteries, and “fixing South Australia’s problems”

Some quick thoughts about Tesla’s promise to “fix South Australia’s power woes”. Which specific problem is Tesla promising to fix?

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