In a way, EUs fit-for-55 already lays out a plan for this. By demanding solar panels on all civic buildings in the union, solar production from the Mediterranean countries will provide an electricity boost during these spells.

For the northern countries and eastern countries, the demand for renewable energy sources in the district heating will push prices and incentivies development and other heating sources, like thermal storage, or other storage solutions, like hydrogen. In the short term, even batteries storing nuclear and hydro power from night to day time will make a huge difference.

But in the end: we need more storage!