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A comment on Small nuclear reactors: tiny NuScale reactor gets safety approval. Parent comment
Then this technology has been, for all practical purposes, abandoned by nearly all countries that were researching and developing it. See https://en.wikipedia.org/wiki/Breeder_reactor#Future_plants
One of the most (if not the most) ambitious project was Superphénix, costed billions and failed flat. https://en.wikipedia.org/wiki/Superph%C3%A9nix
The sole officially actively pursued pertinent design, BREST-OD-300 ( https://en.wikipedia.org/wiki/BREST_(reactor) ), was planned to be built in 2020 ( https://www.world-nuclear-news.org/NN_Fast_moves_for_nuclear... ) and real work didn't even began ( https://www.world-nuclear-news.org/Articles/Russia-awards-co... ). Moreover it will only (when built, if ever, but not before 2026) be a demonstrator (low power).
Then this technology has been, for all practical purposes, abandoned by nearly all countries that were researching and developing it. See https://en.wikipedia.org/wiki/Breeder_reactor#Future_plants
One of the most (if not the most) ambitious project was Superphénix, costed billions and failed flat. https://en.wikipedia.org/wiki/Superph%C3%A9nix
The sole officially actively pursued pertinent design, BREST-OD-300 ( https://en.wikipedia.org/wiki/BREST_(reactor) ), was planned to be built in 2020 ( https://www.world-nuclear-news.org/NN_Fast_moves_for_nuclear... ) and real work didn't even began ( https://www.world-nuclear-news.org/Articles/Russia-awards-co... ). Moreover it will only (when built, if ever, but not before 2026) be a demonstrator (low power).