When you talk about the future of our energy system, it’s changing dramatically,” Fitzsimmons said. And it’s been changing much faster than people anticipated. I mean, five, ten years ago, no one would have guessed that the United States would be the number one producer of oil and natural gas in the world, exporting LNG to 36 countries But also being one of the leading wind and solar producers, seeing how quickly costs for renewable energy have declined, seeing how rapidly electric vehicle battery costs have declined, seeing how cheap led light bulbs have gotten and these are technological innovations that are driving massive changes in the energy system And the big challenge moving forward because of this rapidly evolving system, at least in the electricity generation side, is less about having affordable kilowatt hours of electricity—because we have a lot of low-cost sources of supply—the bigger challenge moving forward is going to be how do you integrate all of these new technologies together in a way that maintains an affordable, reliable, resilient and clean energy system. And that’s where technologies like energy storage come into play.