This article is from 2016. It says almost half of Europe’s NPPs are set to close “in the next decade” which would be by 2026, so essentially 5 years. The bill for nuclear waste disposal is more than half of the cost.
https://www.theguardian.com/environment/2016/apr/04/europe-faces-253bn-nuclear-waste-bill
Yet the article says the NPPs may be replaced. Today, now that renewables plus storage are so low cost, it’s unlikely that new NPPs will be built.