Well, 3 seconds if you turn everything off, but it is not what we are talking about here, especially if the question is peak shifting. The majority of peak shif

Well, 3 seconds if you turn everything off, but it is not what we are talking about here, especially if the question is peak shifting. The majority of peak shifting is done at local level, with solution like, for example, domestic wall battery like Tesla or electric-vehicle-to-grid. Still not ideal, but I don't think your depiction of the situation is very fair if it presents it in a totally unrealistic way. I also don't understand your argument about solar cycle: solar is producing close to peak hours, while nights are non-peak hours. So, in practice, it's not like you need to store the electricity locally for more than a couple of hours. I guess you are talking of a situation where the grid is 100% solar, but that's obviously a ridiculous scenario that no one has never pushed for. I agree with the fact that the demand curve will become more extreme, and it is exactly the reason of my intervention here: this is a complicated situation, and it does not matter if the grid is mainly nuclear or mainly renewable, it is still problematic. I agree that the storage problem is tricky and that the scale is a challenge. But this challenge still exist in full nuclear grid, unless we end up with a lot of idle nuclear plant running only few hours per day.