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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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 by Anne-Sophie Corbeau , John Larsen , Wilson Ricks , Cy McGeady , and Joseph Majkut — 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 by Joseph Majkut , Sarah Ladislaw , John Larsen , Ben Cahill , Melanie Nakagawa , and Nikos Tsafos — 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

Online Event: Carbon Dioxide Removal Solutions

You are cordially invited to the sixth and final session in the Climate Solutions Series, Carbon Dioxide Removal Solutions.

Event by John Larsen , Roger Aines , Erin Burns , and Cathy Macdonald — November 12, 2020

An Update on Carbon Pricing

Despite progress, carbon pricing and ETS only cover approximately 15% of global emissions. John Larsen (Rhodium Group; CSIS), Jerry Taylor (Niskanen Center), and Thomas Kerr (IFC) discuss the state of play of carbon markets and pricing around the world.

Event by John Larsen , Sarah Ladislaw , Jerry Taylor , and Thomas Kerr — May 1, 2018

The Future of the Clean Power Plan and Trump Administration Climate Policy

Late last week, officials from the Trump administration’s Environmental Protection Agency (EPA) made it clear that they are working on a proposed rule that would not only repeal the Clean Power Plan (CPP) but also solicit public comment on possible replacements. Following quickly after this announcement, high-level White House officials caused and then tamped down a flurry of speculation about a potential route for the administration to stay in the Paris Climate Agreement rather than pull out as previously stated. Though not necessarily coordinated, these two events suggest that the Trump administration’s positions on climate policy remain a moving target; the positions could be more malleable than it first appeared.

Commentary by Sarah Ladislaw , Kyle Danish , and John Larsen — September 21, 2017