Because historically we had periods of a couple of days or weeks in a row where wind and solar were essentially non-existent: https://www.tech-for-future.de/du

Because historically we had periods of a couple of days or weeks in a row where wind and solar were essentially non-existent: https://www.tech-for-future.de/dunkelflaute/ https://www.tech-for-future.de/dunkelflaute/