The third project, in China (Taishan-1 & -2) was officially 5 years late and 60% overcosts (and very probably not break even for the builder). After 1 year one of the 2 reactors was stopped mid-2021 after an incident.
The fourth project, in the U.-K. (Hinkley-Point C), started in 2018 and already announced overcosts and late delivery.
The first project, in Finland (Olkiluoto-3) was a disaster: massive overcosts, 12 years late, customer lost, penalties paid, builder (Areva) saved thanks to public money. https://en.wikipedia.org/wiki/Olkiluoto_Nuclear_Power_Plant#...
The second project, in France (Flamanville-3) is an ongoing disaster: massive overcosts (from 3,3 to 19,4 billions €, and counting), aleady 10 years late and counting https://en.wikipedia.org/wiki/Flamanville_Nuclear_Power_Plan...
The third project, in China (Taishan-1 & -2) was officially 5 years late and 60% overcosts (and very probably not break even for the builder). After 1 year one of the 2 reactors was stopped mid-2021 after an incident.
The fourth project, in the U.-K. (Hinkley-Point C), started in 2018 and already announced overcosts and late delivery.
Old reactors: https://www.reuters.com/business/energy/frances-chinon-3-rea...
Decommission costs: https://news.ycombinator.com/item?id=18686703