David G. Tewksbury

David Tewksbury

is a partner specializing in energy law at King & Spalding. He represents and advises independent power producers, electric power marketers, trade associations and others in connection with a wide range of regulatory and transactional matters. Regulatory matters include issues arising under various federal and state laws, including the Federal Power Act, the Public Utility Regulatory Policies Act of 1978, the Natural Gas Act, the Natural Gas Policy Act of 1978, the Public Utility Holding Company Act of 2005, and the Energy Policy Act of 2005. Transactional matters include electric power and natural gas supply contracts, transmission service agreements, interconnection agreements, pipeline leases and capacity release agreements, mergers and acquisitions, and bankruptcy restructurings. In each year since 2009, Chambers USA has selected Mr. Tewksbury as one of America’s leading lawyers for business in Energy/Electricity. In each year since 2012, Chambers Global selected him as a leading lawyer for business in Energy: “Electricity (Regulatory & Litigation): USA.” Public Utilities Fortnightly named Mr. Tewksbury as one of its “Groundbreaking Lawyers of 2010.”

Mr. Tewksbury is a member of the Energy Bar Association. In the Fall of 2000, he was an Adjunct Professor of Law at Washington and Lee University School of Law. Prior to becoming a lawyer, he worked on energy matters as an analyst at an economic consulting firm and also as assistant and associate editor of the Foster Natural Gas Report and the Foster Electric Report. He also interned in the Office of the General Counsel at the Federal Energy Regulatory Commission (FERC). Mr. Tewksbury has published articles on federal energy regulatory and markets issues.

Recent Publications

“New Chapters in the Mobile-Sierra Story: Application of the Doctrine After NRG Power Marketing, LLC v. Maine Public Utilities Commission, 32 Energy L.J. 433 (Fall 2011) (co-author)

“Mobile-Sierra’s Less Than Golden Anniversary,” The Electricity Journal (April 2007)

“Applying the Mobile-Sierra Doctrine to Market-Based Rate Contracts,” 26 Energy L.J. 437 (Fall 2005) (co-author)

“Market-Based Ratemaking and the Western Energy Crisis of 2000 and 2001,” 24 Energy L.J. 321 (Fall 2003) (co-author)


Good to know

Areas of Practice 1) Energy & Natural Resources and 2) Financial Institutions: Private Equity & Investment Funds
Law School J.D., magna cum laude, Order of the Coif, Washington and Lee University
Education B.A., Williams College
Bar Member / Association State bar of Maryland,State bar of District of Columbia
Most recent firm King & Spalding LLP
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