3 ms·Such giant storms are rare, and short-lived. A few days' storage outlasts them.by ncmncm 4y agoSuch giant storms are rare, and short-lived. A few days' storage outlasts them.ascar 4y agoA few days of storage is a lot though isn't it?ncmncm 4y agoHow much NG do utilities stockpile? A few days' would be a lot of batteries, but you don't use batteries for that. A few days' pumped hydro, e.g., is not much at all.