Articles

Confirmation of yesterday’s supposition that some wind farms are blinking in the face of negative prices

A brief follow on from yesterday’s post, with the advantage of being able to review yesterday’s bids (and rebids) today.

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The “Wind Correlation Penalty” bites in South Australia, and some wind farmers appear to blink

The past week, with wind farm output blowing gangbusters in South Australia (coupled with low demand and System Strength requirements) we seen the “Wind Correlation Penalty” start to bite, with some reactions also beginning to show.

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Different approaches for dispatch

Highlighting the different approaches taken to cost/price based dispatch in an interconnected electricity system (or market).

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Beginner’s Guide to how dispatch works in the NEM, and hence how prices are set

Walking through 5 (much simplified) “Dispatch Intervals” to illustrate some starting principles of marginal price based dispatch arrangements, such as used in the National Electricity Market

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Helping to tame Villain #4 by understanding more about MLFs

Conversations in the week following my post about “Villain #4” (being the deficit in required Energy Literacy) prompted some analysis relating to Marginal Loss Factors

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How do New Entrant Retailers manage wholesale market risk?

Guest author, Drew Donnelly at Compliance Quarter, uses the review of hedge practices in the wholesale market included in the recent ACCC report as an opportunity to reflect on what approaches they have seen in their work with new entrant retailers

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Villain #4 – the yawning gap between our Sector-Wide Aggregate “Energy Literacy” and what we require

A year after I first spoke about “Villains” playing a role in the train wreck of our energy transition, I’ve finally found some time to post about Villain #4.

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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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Monday 9th July sees yo-yo prices in South Australia

Some brief analysis of today’s price volatility seen in the South Australian region of the NEM

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Reviewing the pattern of spot prices for Q2 2018 suggests that we’re far from out of the woods, yet

Returning to the theme of analysis of Q2 prices (completed in 2017 and 2016 due to Q2 historically being an uneventful period) we see that prices have backed off from the “off the charts” level of 2017, but are still much higher in all regions than most other regions. In some cases results are second worst in 20 years.

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