That's not a workable idea as it'd just encourage corporations to obfuscate the ownership of the plant (e.g. shell companies) and drastically underestimate the

That's not a workable idea as it'd just encourage corporations to obfuscate the ownership of the plant (e.g. shell companies) and drastically underestimate the actual risks of catastrophes. Ultimately, the government will be left holding the bill for nuclear catastrophes, so it's better to just recognise that and get the government to regulate the energy companies.