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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 • Julien Jomaux

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 • Julien Jomaux

November 2025

The big beautiful batteries

Going deeper on the topic of large-scale batteries and their economics

Nov 25, 2025 • Julien Jomaux

October 2025

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 • Julien Jomaux

July 2025

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 • Julien Jomaux

May 2025

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 • Julien Jomaux

April 2025

Daily spreads on the day-ahead markets

And the link with batteries

Apr 18, 2025 • Julien Jomaux

Entering spring 2025

A quick update on the impact of solar in the EU at the start of spring

Apr 4, 2025 • Julien Jomaux

March 2025

The German aFRR capacity market - a deeper look on prices

Mar 26, 2025 • Julien Jomaux

The duck is growing

A 2024 update on the hourly shape of the electricity prices in Europe.

Mar 17, 2025 • Julien Jomaux

February 2025

Presentation on Power Trading in Europe

I have been recently invited by Giacomo Luciani and John Gault to present a module on Power trading in Europe for the Master in Commodity Trading at the…

Feb 11, 2025 • Julien Jomaux

My sources of inspiration on energy, electricity and markets

Just some links to the persons and organizations I follow

Feb 3, 2025 • Julien Jomaux

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