These press releases aren't great sources of news. Anyone got a different link?
Had posted this a few days ago https://news.ycombinator.com/item?id=45285763
It's all related afaict
I think its more complex than that. The nimbys don't want it, along with significant parts of the eco lobby. (they scuppered the nuclear plan from EDF that would have locked in prices from 2000....)
https://www.rolls-royce-smr.com/press/rolls-royce-smr-will-b...
https://www.gov.uk/government/news/rolls-royce-smr-selected-...
https://www.gov.uk/government/news/us-uk-pact-will-boost-adv...
and the follow up press release from Thursday:
https://www.gov.uk/government/news/record-breaking-150bn-inv...
So, my guess is that this is essentially, once again, a camera-focused announcement.