Author Archives: Allan O'Neil

High SA Prices on Monday 9 July–Business as Usual?

One of our guest authors, Allan O’Neil, takes a closer look at what happened in the South Australian region of the NEM on Monday 9th July 2018

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When the NEM’s Largest Generating Unit Trips …

A follow-on to my earlier article of a couple weeks ago, looking at another instance where a team effort was required to counter a drop in system frequency following the loss of generation at a large power station (this time the single unit Kogan Creek power station – the largest single unit in the NEM).

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FCAS in Action – What Happens When a Generator Trips? (or Never let the data get in the way of a good story)

Understanding the FCAS response by all generators when a unit trips in the NEM. A detailed look at the Loy Yang A unit trip in December 2017 and the contribution of the Hornsdale Power Reserve.

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Some perspectives on events last Thursday and Friday

Some observations about the events across Victoria and South Australia of Thursday 18th and Friday 19th January 2018.

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What's the market data saying about this Summer?

Guest author, Allan O’Neil, follows up a post in September (reviewing what the AEMO’s ESOO was saying about summer 2017-18) with this review of updated data

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No Guarantee of Success

Our guest author, Allan O’Neil, poses a number of questions about the recently proposed “National Energy Guarantee” (NEG)

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Decoding AEMO’s latest ESOO–will the lights stay on this summer?

Some initial analysis by our guest author, Allan O’Neil, about what AEMO’s Statement of Opportunities 2017 is saying in terms of this coming summer 2017-18

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What does “Unserved Energy” actually mean – a brief explainer

A brief explainer of what “Unserved Energy” (or USE) actually means, in the context of the AEMO “Electricity Statement of Opportunities 2017” (ESOO) released this week.

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Cost Confusion

Our guest author, Allan O’Neil, posts an overview of the strengths and weaknesses of an increasingly popular metric – the LCOE (or Levellised Cost of Energy)

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More about wind output and AEMO’s intervention in South Australia 25-26 April

A closer look at AEMO’s actions during a period of high windfarm output in SA last week

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