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That is, a vessel for a pressurized water reactor. A reactor operating at lower pressure (like one using molten salt as a coolant) wouldn't need such a vessel, as the salt would not become highly pressurized, even in accident conditions.

I saw a link from some government minister in Canada named Don Morgan who stated a BWRX-300 would cost $5B (CAN), which comes to about $3.6B (US). $12/W (US) is not the worst, but it isn't great. Not clear if that was all-in cost or just overnight cost.

https://www.deassociation.ca/newsfeed/4-provinces-push-ahead...



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