kravietz, Having enough electricity in winter is the big challenge for climate neutrality in 2050. This requires gigantic – electricity storage systems or new nuclear power plants, says author Andreas Züttel. It is an explosive result: If Switzerland wants to be climate neutral in 2050, building six to eight #nuclear power plants is the cheapest alternative. That’s how it stands in a study a team led by Andreas Züttel, who researches at the Swiss Federal Institute of Technology in Lausanne (EPFL).