If one thought the promotional figures of companies promoting their nuclear plans was honest and likely then we would have already built scores of modular reactors and there would be a thriving industry.
Of course they would say they were cheaper than others. The fact is that all other alternatives ct have operational plants and can be costed on real dollars. The nuclear industry figures are vapourware designed to extract multi billion subsidies from governments just to keep them going.
The evidence of the nuclear industry is public, historical and damning. These plants will
never be economically competitive with renewable energy plus back up systems. Of course they can be built for very specific military or other installations where, frankly, cost is a secondary issue. But the idea of arguing cost effective baseload domestic power is based on a series of heroic assumptions that have seen spectacular failure.
Tall Corporate stories from Nu Scale.
Corporate spin #2: NuScale Power
US company NuScale Power has put in a submission to the federal nuclear inquiry, estimating a first-of-a-kind cost for its SMR design of US$4.35 billion / gigawatt (GW) and an nth-of-a-kind cost of US$3.6 billion / GW.
NuScale doesn’t provide a $/MWh estimate in its submission, but the company has previously said it is targeting a cost of US$65/MWh for its first SMR plant. That is 2.4 lower than the US$155/MWh (A$225/MWh) estimate based on the NuScale design in a report by WSP / Parsons Brinckerhoff prepared for the SA Nuclear Fuel Cycle Royal Commission.
NuScale’s cost estimates should be regarded as promotional and will continue to drop – unless and until the company actually builds an SMR. The estimated cost of power from NuScale’s non-existent SMRs fell from US$98-$108/MWh in 2015 to US$65/MWh by mid-2018. The company announced with some fanfare in 2018 that it had worked out how to make its SMRs almost 20% cheaper – by making them almost 20% bigger!
Lazard estimates costs of US$112-189/MWh for electricity from large nuclear plants. NuScale’s claim that its electricity will be 2-3 times cheaper than that from large nuclear plants is implausible. And even if NuScale achieved costs of US$65/MWh, that would still be higher than Lazard’s figures for wind power (US$29-56) and utility-scale solar (US$36-46).
Likewise, NuScale’s construction construction cost estimate of US$4.35 billion / GW is implausible. The latest cost estimate for the two AP1000 reactors under construction in the US state of Georgia (the only reactors under construction in the US) is US$12.3-13.6 billion / GW.
NuScale’s target is just one-third of that cost – despite the unavoidable diseconomies of scale and despite the fact that every independent assessment concludes that SMRs will be more expensive to build (per GW) than large reactors.
Further, the modular factory-line production techniques now being championed by NuScale were trialled with the AP1000 reactor project in South Carolina – a project that was abandoned in 2017 after the expenditure of at least US$9 billion.
https://reneweconomy.com.au/big-claims-and-corporate-spin-about-small-nuclear-reactor-costs-65726/
Report Bookmark