Sources of Cost Overrun in Nuclear Power Plant Construction Call for a New Approach to Engineering Design. US nuclear plant cost estimation does not align with observed experience; “Indirect” expenses, largely soft costs, contributed a majority of the cost rise; Safety-related factors were important but not the only driver of cost increases; Mechanistic models inform innovation by relating engineering design to cost change. We find that nth-of-a-kind plants in the US have been more expensive than first-of-a-kind plants, with “soft” … read more »
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