Maybe, maybe not. Different countries have different resources available to them, and we don't know what they tried.

We know that Germany who focused on using dolar has failed miserably and we know that france who focused on nuclear hasnt. No modern country get their main supply of energy from wind or solar but have to use coal and oil to make it work. And the countries who boast with using a lot of alternatives also have much higher consumption prices because they are subsidizing their politically based energy policy.