Lena Hansen is a Principal with Rocky Mountain Institute’s (RMI) electricity practice. She co-leads RMI’s Electricity Innovation Lab (e–Lab), a multi-year forum to develop innovative solutions to enable greater adoption of efficiency and renewables. Lena has experience in resource planning, carbon strategy, high-penetration variable renewable integration, and utility regulation and business models. She coauthored the electricity chapter of RMI’s recent book Reinventing Fire: Bold Business Solutions for a New Energy Era. Lena holds a bachelor’s degree in astrophysics from the University of North Carolina at Chapel Hill and a master’s degree in environmental economics and policy from Duke University, with a focus on energy.