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China’s demand for oil, long an important driver of global oil demand growth, slowed dramatically during January–September 2024. Between 2000 and 2023, China accounted for 50 percent of...
Hear in-depth conversations with the world’s top energy and climate leaders from government, business, academia, and civil society.
In passing and signing the Inflation Reduction Act in 2022, Congress and the Biden administration infused hundreds of billions of dollars into the energy transition. It was the...
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A presentation and discussion of the IEEJ’s (Institute of Energy Economics, Japan) Outlook 2025: “How to Address the Uncertainties Surrounding the Energy Transition”
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Overview
The Center on Global Energy Policy is committed to independent and nonpartisan research that meets the high standards of academic integrity and quality at Columbia University.
What We Do
We advance smart, actionable, and evidence-based energy and climate solutions through research, education, and dialogue.
Our Team
Meet our staff and senior energy experts from government, academia, industry, and nongovernmental organizations.
Managing Principal, Analysis Group
Susan Tierney is an expert on energy policy and economics, specializing in the electric and gas industries. She has consulted to companies, governments, nonprofits, foundations, and other organizations on energy markets, as well as economic and environmental/climate regulation and strategy. Her expert witness and business consulting services have involved industry restructuring, market analyses, utility ratemaking and regulatory policy, clean energy regulatory policy, transmission issues, wholesale and retail market design, and resource planning and procurement.
Dr. Tierney is a former assistant secretary for policy at the U.S. Department of Energy, and in Massachusetts, was a state cabinet officer for environmental affairs and public utility commissioner. She chairs the board of directors of Resources for the Future and of ClimateWorks Foundation, serves on the external advisory board of the National Renewable Energy Laboratory, and is a director of the World Resources Institute and of other boards. She has published widely, frequently speaks at industry conferences, and has lectured at many leading universities.
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