Solar installations are generally rated for a 30 year life, so ¾ of nuclear isn’t bad, especially when you add in decommissioning costs which are going to be a lot lower for solar
£100+ billion in 2013 https://www.theguardian.com/environment/2013/jun/23/britain-...
£161 billion in 2017 https://web.archive.org/web/20170516093449/https://www.gov.u...
£234 billion in 2018 https://www.gov.uk/government/publications/nuclear-provision...
... and counting.