If someone starts firing nukes then I think nuclear reactors are the least of our problems. The strategic nuclear posture means any first strike (aside from being MADness) will be multiple missiles with multiple warheads each for fear that many will be destroyed before finding their target. A spray and pray approach. Any adversary seeing those launched will equally launch multiples of their own. We’d have much more immediate concerns than reactors in such an event and as such that isn’t a reason to object to nuclear power. A terrorist strike would be more pertinent.
The problem with solar is that the panels are inefficient, take up land, only produce during the day and require rare earth metals themselves and have a life span. Once they reach that end of life there is all that waste to consider. Yes it probabl;y can be recycled somewhat. Efficiency is unlikely to increase substantially for a long time yet owing to the innate limitation of band gap. Yes, you can layer different wavelength photovoltaics but currently that is enormously expensive and complex akin to producing computer chips requiring lithography. Solar undoubtedly has a role n places where the sun shines a lot but not really in the UK or Ireland except perhaps in residential settings.
Wind power has similar issues taking up land, requiring lots of steel and only producing when the wind blows. They also have a maintenance complexity and a life span and produce waste.
Blue hydrogen production produces more greenhouse gases than a coal power plant producing similar energy.
Nuclear seems to me to be the only sane answer alongside as much renewable as is reasonable given its limitations.