With electric cars, demand is that simple. They can be hooked up to the grid and charge whenever the prices drop down to zero. This is already done. And then it

With electric cars, demand is that simple. They can be hooked up to the grid and charge whenever the prices drop down to zero. This is already done. And then it is an individual decisions to either just use the charge to drive or even put part of it back into the grid or for you own home usage, when the grid prices are high. And more and more houses start to have battery storage.