Ambitious policy and corporate targets for decarbonization are driving the energy transition. New tools will be necessary to manage the additional complexities of matching supply and demand, particularly for the reliable supply of electric power. Startups can bring the novel ideas necessary and bear the risks required to meet the challenge in ways traditional utilities cannot. What nimble strategies and new concepts are on the horizon? Who are the people at the forefront of cutting-edge technology? How can big data, analytics, and material sciences help chart the energy transition?