I believe they specifically mentioned wind because that was the specific form of renewable energy the grandparent was talking about. As for why a country with

I believe they specifically mentioned wind because that was the specific form of renewable energy the grandparent was talking about. As for why a country with vast access to hydro would prefer wind energy, Hydro requires large investments, is excruciatingly difficult to upgrade, interferes with local water flow and ecosystems, and in the case that either it is improperly maintained or a major accident occurs, can be very dangerous and deadly.