Dinorwig[1] was opened in 1984, and is looking at a £1B refurbishment shortly for “at least another 25 years” lifespan.[2]
[1] https://en.wikipedia.org/wiki/Dinorwig_Power_Station
[2] https://www.waterpowermagazine.com/analysis/re-planting-the-...
[1] https://en.wikipedia.org/wiki/Dinorwig_Power_Station
[2] https://www.waterpowermagazine.com/analysis/re-planting-the-...