Then also look at the $20 billion dollar 'service' contract for the Saudi one that doesn't include any labour or running costs. It suddenly costs about the same as Hinkley C even before overruns.
Once you look at the total in rather than comparing overnight costs to renewable all in costs, they're the same $8-10 per net watt as nuclear always is anywhere except china - and China's renewables are cheaper by close to the same ratio.
The penetration rates at a given cost favour renewables right up until your peaker gas plants are causing less emissions than the Uranium mine.