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John Larsen


John Larsen is a Partner at Rhodium Group and leads the firm’s US energy system and climate policy research.

Energy & Climate

John specializes in the analysis of national and state energy and climate policy, market trends, and emerging clean technologies. He manages a multi-disciplinary team of energy modelers, policy specialists, and systems analysts focused on accelerating America’s transition to a net-zero economy. Previously, John worked for the US Department of Energy’s Office of Energy Policy and Systems Analysis, where he served as an electric power policy advisor. Before working in government, John led federal and congressional policy analysis in the World Resources Institute’s Climate and Energy Program.

John is a non-resident Senior Associate in the Energy and National Security Program at the Center for Strategic and International Studies. He has lectured at several academic institutions, including Johns Hopkins University and Amherst College. He holds a Bachelor’s degree in Environmental Science from the University of Massachusetts, Amherst, and a Master’s degree in Urban and Environmental Policy and Planning from Tufts University.


Taking Stock 2024: US Energy and Emissions Outlook

In our annually updated outlook for US greenhouse gas emissions under current federal and state policy, we find that the US is on track to reduce emissions 38-56% below 2005 levels by 2035, absent any additional new action.


EPA’s New Standards for Power Plants

EPA recently finalized new standards for regulating greenhouse gases from power plants. We analyze what the new rules mean for electric power GHG and conventional pollutant emissions into the next decade.