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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
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Presentation on Power Trading in Europe
Feb 11, 2025
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Julien Jomaux
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The reasons for negative prices
Aug 13, 2024
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Julien Jomaux
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My sources of inspiration on energy, electricity and markets
Feb 3, 2025
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Julien Jomaux
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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
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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
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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
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Heatwave on Europe: the impact of a "Hitzeflaute"
As a heat wave has engulfed Europe, there is a new sexy word in the European energy world: Hitzeflaute, which is an updated version of the Dunkelflaute…
Jul 3, 2025
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Julien Jomaux
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What has been the impact of solar in Europe so far this year? A Mid-May Review
Solar energy is an engaging topic that I enjoy discussing extensively.
May 19, 2025
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Julien Jomaux
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Daily spreads on the day-ahead markets
And the link with batteries
Apr 18, 2025
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Julien Jomaux
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Entering spring 2025
A quick update on the impact of solar in the EU at the start of spring
Apr 4, 2025
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Julien Jomaux
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