People are doing just that to take advantage of off peak pricing: http://www.theatlantic.com/technology/archive/2013/11/the-100-000-battery-that-could-help-hot

People are doing just that to take advantage of off peak pricing: http://www.theatlantic.com/technology/archive/2013/11/the-100-000-battery-that-could-help-hotels-save-bundles-of-money/281194/ http://www.theatlantic.com/technology/archive/2013/11/the-10...