But you don't necessarily need an instant response, at least not always. Some months ago we had very bad weather with almost no wind during days and we had to b

But you don't necessarily need an instant response, at least not always. Some months ago we had very bad weather with almost no wind during days and we had to buy energy from France. It wasn't cheap at all but we had to do it because solar, wind and hydro couldn't supply enough. Nuclear from France did though.