all staff

Stephanie Greene

  • Carbon-Free Buildings

Stephanie Greene is a principal at Rocky Mountain Institute, where she helps lead RMI’s work to enable a cost-effective, sustainable path to electrification. Stephanie is excited about helping cities, states, utilities, customers, and policymakers develop sustainable solutions for addressing climate change.


Prior to joining RMI, Stephanie held a number of leadership roles at Pacific Gas & Electric (PG&E) Company, which is one of the largest combined natural gas and electric utilities in the United States. Stephanie was most recently the director of Clean Transportation, where she led the utility’s electric vehicle initiatives in terms of strategy development, policy advocacy, stakeholder outreach, program design, management, and innovation. She also served as chief of staff to PG&E’s former CEO and president, where she supported various initiatives, including senior executive utility strategy development. She held several other roles at PG&E working on renewable energy policy, energy procurement, and demand-side analytics. Prior to PG&E, Stephanie worked at BSR, a global nonprofit business network and consultancy dedicated to sustainability.


MBA, UC-Berkeley Haas School of Business

MS, Earth Systems (Environmental Science & Economics) with Honors, Stanford University

BS, Earth Systems, with Honors, Stanford University


Boulder, CO

Authored Works

Getting to Zero in Buildings: Insights from zLab

In October, 2019, Rocky Mountain Institute (RMI) and New Buildings Institute (NBI) organized an inaugural zLab to bring together industry leaders to brainstorm solutions and develop action plans around three topics: building electrification for decarbonization, advanced decarbonization policies for existing buildings, and unlocking new value through grid-interactive buildings. RMI has…