Library
Letters, white papers and reports
Our work on energy development, project finance, construction risk and repeat-build economics, alongside the outside research that informs our approach.
New material is added as it is released.
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Model
The Cost Overrun Facility
Our proposed structure for turning open-ended cost overrun exposure in new nuclear energy projects into sequenced, capped funding obligations agreed before construction begins.
July 23, 2026
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Article
Sizing a Risk Is Not Assigning It
What Vogtle and V.C. Summer tell us about the next U.S. nuclear energy project, and why estimating an overrun is different from deciding how it will be funded.
July 16, 2026
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Letter
Letter from Charles Oppenheimer
Charles Oppenheimer on why he founded Oppenheimer Energy, what the Oppenheimer legacy means to him and the future he believes peaceful nuclear energy can still build.
September 8, 2025
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Report
Potential Cost Reduction in New Nuclear Deployments Based on Recent AP1000 Experience
A Department of Energy and Idaho National Laboratory study of the cost and schedule improvements available from completed design, supply chain learning and repeated AP1000 construction.
June 12, 2025
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Press note
Charles Oppenheimer joins NEI's Fissionary podcast
Charles Oppenheimer joins the Nuclear Energy Institute's Fissionary podcast to discuss peaceful nuclear energy, the Oppenheimer legacy, project and infrastructure finance and the value of building the next generation of reactors in sequence.
June 27, 2024
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Press note
Charles Oppenheimer speaks to CGTN Europe at the Nuclear Energy Summit
Speaking from the Nuclear Energy Summit in Brussels, Charles discusses the global effort to expand nuclear energy capacity and the financing requirements for new construction.
March 28, 2024
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Press note
American Nuclear Society covers Charles Oppenheimer's op-ed in TIME
Nuclear Newswire covers Charles Oppenheimer's TIME essay on nuclear energy, climate, energy security and the relevance of J. Robert Oppenheimer's postwar call for international cooperation.
May 26, 2023