Guillermo Pereira

Guillermo Pereira is an Energy Policy Researcher in the Energy Markets and Planning Department at Lawrence Berkeley National Laboratory. He manages and conducts research on projects focusing on the impacts of load growth on the grid, distribution system planning, and demand flexibility.

Before joining Berkeley Lab, Dr. Pereira was a Senior Energy Analyst at the Union of Concerned Scientists, where he led state and regional efforts focused on wholesale energy market reforms to integrate grid-edge resources effectively. He also provided expert testimony in public utility commission proceedings, with an emphasis on distribution grid planning and innovation pilots. Previously, he was a Research Associate at the University of Manchester, United Kingdom, where he conducted research on electric utility business models and governance choices related to energy technologies.

Guillermo holds a Ph.D. in Sustainable Energy Systems from the University of Coimbra, Portugal, and the MIT Portugal Program, a Master's in Energy for Sustainability, with a specialization in Energy Systems and Energy Policies, and a Bachelor’s in Management from the University of Coimbra, Portugal.