John Larsen

Senior Associate (Non-resident), Energy Security and Climate Change Program
John Larsen

John Larsen is a director at the Rhodium Group and leads that firm’s U.S. power sector work. Previously, he worked for the U.S. Department of Energy’s Office of Energy Policy and Systems Analysis, where he advised on electric power sector and economy-wide climate policy design. Prior to working in government, he led federal and congressional policy analysis in the World Resources Institute’s Climate and Energy Program. Mr. Larsen is an adjunct professor in the Energy and Climate Program at the Krieger School of Arts and Sciences, Advanced Academic Programs at Johns Hopkins University. He holds a bachelor’s degree in environmental science from the University of Massachusetts at Amherst and a master’s degree in urban and environmental policy and planning from Tufts University.

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Energy 360°

Why Permitting Reform Matters

This week, CSIS Energy Security and Climate Change Program Senior Adviser Linda Stuntz, Senior Associate John Larsen, and Fellow Cy McGeady join Quill Robinson to discuss permitting reform. 

Podcast Episode by Quill Robinson, Linda Stuntz, John Larsen, and Cy McGeady — August 5, 2024

CSIS Energy 360

Hydrogen Growth Prospects: Impact of the Initial 45V Guidance

Please join the CSIS Energy Security and Climate Change Program for a livestream conversation exploring how proposed 45V guidance could shape the growth of the U.S. hydrogen industry with John Larsen, Aaron Bergman, and Maria Martinez.    

Event — February 13, 2024

45V and Defining Green Hydrogen

Experts discuss the implementation of the Inflation Reduction Act's 45V Hydrogen Production Tax Credit, which will define the future emissions intensity and cost competitiveness of hydrogen.

Event — May 8, 2023

The Truth of the Matter

Climate Legislation Explained

CSIS non-resident senior associate John Larsen dissects what the Inflation Reduction Act (IRA) does to address climate change and whether the legislation could be overturned in the future.

Podcast Episode by H. Andrew Schwartz and John Larsen — August 16, 2022

CSIS the truth of the matter

Balancing U.S. Natural Gas within a Global Net-Zero Emissions Future

The European Union is looking to U.S. natural gas to replace Russian gas. But it is wary of long-lived gas infrastructure due to its climate commitments. How can the United States help meet short-term energy demand and remain consistent with a decarbonizing Europe?

Commentary by John Larsen — April 29, 2022

U.S. Responses to the Global Energy Crisis

Please join the CSIS Energy Security and Climate Change Program for a discussion on actions the United States can take to improve energy security and create better climate outcomes.

Event — April 26, 2022

Energy 360°

A Post-Election Energy Take: Part 1

This week, we bring you a special two-part episode on the impacts of the U.S. elections on energy and climate policy.

Podcast Episode by Sarah Ladislaw, Kevin Book, Kyle Danish, and John Larsen — November 16, 2020

CSIS Energy 360
Energy 360°

A Post-Election Energy Take: Part 2

This week, we bring you a special two-part episode on the impacts of the U.S. elections on energy and climate policy.

Podcast Episode by Sarah Ladislaw, Kevin Book, Kyle Danish, and John Larsen — November 16, 2020

CSIS Energy 360