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First planned small nuclear reactor plant in the US has been canceled
(arstechnica.com)
This is a most excellent place for technology news and articles.
Maybe. I would imagine that having all the portions built at one location and shipped/installed at the site would be quicker and have less variation in final cost.
The last US nuclear power plant built wound up being 7 years late and a face shattering $17,000,000,000 over budget. Who wants something to take an extra unexpected 7 years to have something built and pay seventeen billion dollars more than you planned on to get it?
Less land required as well which is also cheaper.
But ya, being and to produce them in a factory was going to be a big savings. They'd get cheaper as things improved.