Westinghouse went bankrupt in 2017 [0] after major project mismanagement [1] that precipitated in federal felony indictments for its executives [2]. I think this is relevant background exposition that's missing from the CNBC writeup.
[0] https://news.ycombinator.com/item?id=13987046 ("Westinghouse Files for Bankruptcy, in Blow to Nuclear Power", 388 comments)
[1] https://en.wikipedia.org/wiki/Nukegate_scandal
[2] https://www.justice.gov/usao-sc/pr/top-westinghouse-nuclear-...