Author Archives: Paul McArdle

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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Further thoughts on the emergence of the “Solar Correlation Penalty”

Some further thoughts on what we’ve termed a “Solar Correlation Penalty” which point-view of some specific dispatch intervals seems to suggest is occurring

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Analytical Challenge - remembering that it's impossible to know motive (but does not stop us guessing)

Highlighting the temptation to ascribe motivation to others – despite the fact that we understand that we can never know for sure.

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Recapping a shaky week for the supply-demand balance in the NSW region last week (Mon 4th June to Fri 8th June 2018)

The start of some analysis that helps to identify the variety of factors that combined to give a shaky balance between supply and demand in NSW last week.

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Electricity demand stopped declining after 2014 (on a NEM-wide, Annual Average basis)

A comment made by TransGrid at the Energy Networks 2018 conference today jolted me to update my (somewhat) outdated paradigm of declining demand.

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Winter 2018 in the NEM

A collection of articles about events that occurred through winter 2018 in the NEM (i.e. from 1st June to 31st August 2018)

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AEMO issues LOR2 warning for South Australia for next Thursday, 31st May

Yesterday (Thu 24th May) AEMO issued a Low Reserve Condition notice (at LOR2 level) for South Australia next Thursday 31st May. We take a quick look….

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An updated look at daily curtailment of aggregate wind farm output across South Australia

This morning over on Twitter, I was pulled into a discussion that had started with respect to volume of wind energy curtailed in South Australia:   The genesis of this twitter conversation was the AEMO’s “Quarterly Energy Dynamics – Q1 2018” (which seems to be getting better each quarter as a core reference document).  As […]

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