Fossil fuels store energy like batteries too. You could store excess wind energy as synthetic diesel[0] or gasoline, it's just not commercially viable yet. [0]

Fossil fuels store energy like batteries too. You could store excess wind energy as synthetic diesel[0] or gasoline, it's just not commercially viable yet. [0] like this https://en.wikipedia.org/wiki/E-diesel https://en.wikipedia.org/wiki/E-diesel - the input is water, CO2 and electricity, and as such it's carbon neutral.