Not as it exists now. There are zero viable solutions for shipping or air travel, for example.
Achievable yes, but not in any near time frame, so we HAVE to look at other mitigating options as well.
Putting all your eggs in one basket is a very poor strategy.
Building more nuclear WOULD help. Yes, it has a huge capital front cost, and it takes a while to earn that back, but then it keeps paying.
The whole point of allowing these localized monopolies on power, is because power benefits from economy of scale and nuclear, right now, is the pinnacle of that. Large up front cost but also a solid, continual return that doesn't rely on outside factors.