Because renewables are getting it together with a fraction of the government involvement and subsidies that nuclear takes. In my country they're succeeding despite the government trying to stack the playing field against them.

So what percentage of "renewables" does hydroelectricity account for? And why does Wikipedia's discussion of energy subsidies counter your claim, with hydroelectric alone receiving more than nuclear? By the way, renewables is in quotes as you could consider some forms of nuclear power renewable, yet you clearly don't.

https://en.wikipedia.org/wiki/Energy_subsidies#United_States