Sure. I've done wind and solar for remote oil/gas industry installations. We sure didn't get any government subsidy for them.
You're referring to a limited self-contained application (such as residential house-top solar panels), correct? In that context, wind/solar makes sense.
I'd be more interested to learn if there are any commercial power wind/solar installations that can operate profitably without subsidy - I'm extremely skeptical that any of those could operate profitably without government propping them up. The only place in the US where it might make some sense is Hawaii, considering the steady trade winds and high cost of importing conventional fuels.