it was mostly because PWR's are cheaper. But Thorium is advancing https://world-nuclear-news.org/articles/first-criticality-for-indian-fast-breeder-reactor http

it was mostly because PWR's are cheaper. But Thorium is advancing https://world-nuclear-news.org/articles/first-criticality-for-indian-fast-breeder-reactor https://world-nuclear-news.org/articles/first-criticality-fo... You don't need only MW but MW at requested time