[NeedMoreTea]

It's wind. It can't be a constant. Winds vary.

So all that matters is having a suitable mix, including wind, to produce low or no emission power. It will also include hydro and pumped storage, of which Ireland has several. There's probably not many suitable sites they aren't already using. Solar and possibly wave or tidal too.

That they're not going fast enough (no one is) still doesn't make it greenwashing.