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David Posner

David is a consultant to RMI, specializing in evaluating the impact of tax policies on the clean energy transition.


Before RMI, David was a Consultant at CPI Energy Finance in San Francisco, working on a team that developed innovative financing tools to accelerate the retirement of coal-fired power plants. Before moving to the Bay Area, he was a policy analyst in Washington, DC, where he spent five years at the U.S. Department of Energy in the Office of Energy Efficiency & Renewable Energy. David has a PhD in history and has taught at Yale University, the Eberhard Karls Universität Tübingen, and the Universität Mannheim.


B.A. History, Cornell University 1989

Ph.D. History, Yale University, 1997

MBA Finance, The Wharton School, 2003


San Francisco

Authored Works

Utilities, Analysts, and Customers Agree: Transitioning from Coal Saves Money

Coal economics have eroded dramatically in recent years, so much so that the continued use of existing coal-fired power often imposes a cost burden on electricity customers that exceeds the cost of newer and cleaner sources of power. Resource planning analyses performed by utilities across the country—including PacifiCorp in…

Golden coils in soil with young plants

Financing Tools for an Equitable Transition to a Clean Economy

Meeting the United States’ NDC target of reducing emissions 50–52 percent below 2005 levels by 2030 will require rapid action from companies, governments, and other entities across the country. These actors must accelerate the retirement and clean replacement of long-lived assets and infrastructure that support carbon-intensive economic activity (or,…