This is a category of articles that have been accumulating on WattClarity for some time, aimed at helping to tame Villain #4, which is what we see as a growing deficit in Energy Literacy/Numeracy required to effectively deal with the growing challenges of this energy transition.
About the Author
Paul McArdle
Related Articles
Marcelle Gannon Thu 9th June 2022
Interconnector constraints and limits–an explainer, and a few traps
Limits on interconnectors play a key role in setting regional prices in the NEM. Marcelle finds a number of traps when interpreting the market data.
Allan O'Neil Fri 22nd March 2019
Price Setting Concepts – an Explainer
Guest author, Allan O’Neil, contributes to our series of articles explaining how prices are set the the NEM (as part of how dispatch works). In this article, Allan explains some of the details in the AEMO’s “Price Setter” file.
Jonathon Dyson Tue 6th March 2018
Let’s Keep Talking About FCAS
Following on from the Let’s Talk About FCAS post, the focus of this post is the business case and subsequent optimisation challenge for getting involved in FCAS, now that the technical performance components have been mostly addressed.
Allan O'Neil Fri 6th September 2019
More on those negative prices – how do contracts affect bidding behaviour?
Guest author Allan O’Neil provides this handy explainer on how generators’ contract positions affect their bidding decisions and can make negative spot prices pay off, at least in the short term. Very useful for those readers not actively involved in wholesale trading in helping to understand why some conspiracy theories might not match reality.

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