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The big beautiful batteries
Going deeper on the topic of large-scale batteries and their economics
Nov 25, 2025
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Julien Jomaux
62
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Solar at the end of 2025: weaker business case but some reasons for further growth
Oct 20, 2025
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Julien Jomaux
35
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Presentation on Power Trading in Europe
Feb 11, 2025
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Julien Jomaux
33
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The reasons for negative prices
Aug 13, 2024
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Julien Jomaux
79
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Evolution of the day-ahead prices - focus on Germany and France
This post will explore how the distribution of electricity prices has evolved across several European countries, particularly Germany and France.
Feb 13
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Julien Jomaux
11
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PICASSO: insights and data
An introduction to Picasso, the European platform for exchanging aFRR energy bids.
Feb 10
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Julien Jomaux
15
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Updated presentation on power trading in Europe
This is an updated version of my presentation on Power Trading in Europe, originally delivered at the Université de Genève for the Master in Commodity…
Feb 9
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Julien Jomaux
2
5
Key metrics for wind and solar in Belgium and Germany over the past five years
Key metrics include capacity factors, capture rates, and revenues per kW installed.
Feb 7
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Julien Jomaux
14
Solar Capture Rates - update 2025
This post is a quick update on the solar capture rates for the year 2025.
Dec 15, 2025
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Julien Jomaux
22
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A short story on the evolution of spot and imbalance prices
Recently, I shared two LinkedIn posts (first and second) visualizing the evolution of day-ahead prices and imbalance prices in Germany, using…
Dec 4, 2025
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Julien Jomaux
31
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Solar at the end of 2025: weaker business case but some reasons for further growth
It’s been over three months since my last post—the longest break I’ve taken since starting this Substack, due to a mix of vacation, work commitments…
Oct 20, 2025
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Julien Jomaux
35
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