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Re:Why is the Fessenheim 2 nuclear power plant closing in Fr... by __s on Wednesday July 15, 2020 @02:55PM (#23849926)
There will be unsuccessful projects, which while we should learn from them, shouldn't be the anecdotes to condemn a technology

Here's a retrospective, ie an attempt at looking at how things have actually played out compared to projections we're often fed, https://www.energy.gov/eere/solar/downloads/retrospective-be... (Chapter 5 of pdf is what looks into your question)

https://en.wikipedia.org/wiki/Cost_of_electricity_by_source also aggregates information to try answer your question

Re:Why is the Fessenheim 2 nuclear power plant closing in Fr... by dv_dt on Wednesday July 15, 2020 @04:28PM (#23851245)
The Lazard reports mentioned in your second link are a nice read. They look forward at estimated lifetime costs of power that might be projects started today.

https://www.lazard.com/perspective/lcoe2019/