France's power producers have lifted clean energy output to six-year highs so far this year and generated around 95% of all the country's power supplies from clean energy sources - far exceeding clean power production in all other European nations.

The ability of France's utilities to maintain clean energy growth despite lower hydro and wind output highlights the resilience of France's power system, and contrasts with recent declines seen in clean power output across Europe as a whole.

The opinions expressed here are those of the author, a columnist for Reuters.