Earlier quoted context omitted.
It’s not a choice between nuclear and PV. It’s a choice between nuclear and the other things that provide base load: gas and coal.
A requirement for base load is a fallacy promulgated by fossil fuel preservation lobbying
Do fossil fuel companies overstate the importance and scale of base load to justify additional fuel subsidies? Indubitably - but don't let their bullshit hide the truth within it that actually is a critical requirement for our power grid.