“It makes no sense at all to take tools out of the toolbox. No energy resource is immune to weather disruptions whether that be frozen wind turbines, frozen gas wells, or frozen coal stockpiles, all of which we saw in recent winters.” […] “There is no doubt that our electric grid is undergoing a rapid transition both in generation sources and in the types of demand the grid is called on to serve. The speed of this transition must be balanced against reliability and affordability of electricity.”