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It's about the amount of capital at risk, not the per kWh unit economics. The risk is of complete failure of build and getting $0.


I don’t know of that many plants that failed to finishing building after construction started.

Unit economics are important. Managing to build doesn’t mean much if you can’t turn a profit.


This list has 43 reactors that started construction in the US but never finished:

https://en.wikipedia.org/wiki/List_of_canceled_nuclear_react...

That's a lot considering that the US currently has 94 operating power reactors:

https://pris.iaea.org/PRIS/CountryStatistics/CountryDetails....




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