William H. Penniman: Lawyer with Sutherland Asbill & Brennan LLP

William H. Penniman

William Penniman
Of Counsel
Washington,  DC  U.S.A.

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AV® Preeminent

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Practice Areas

  • Energy, Environmental & Commodities
  • Regulatory & Compliance
  • Energy Litigation
  • Natural Gas
Contact InfoTelephone: 202.383.0154
Fax: 202-637-3593
University Allegheny College, B.A.; George Mason University, M.A.
Law SchoolGeorgetown University Law Center, J.D. Editor, Georgetown Law Journal
Admitted1974, Maryland; 1975, District of Columbia

Professional Activities
Vice Chair, Natural Gas Committee, Public Utilities Law Section, American Bar Association (1996-2005)
Board of Governors, Reston Community Center, Fairfax County, Virginia (2005-present)
Board of Directors, Energy Bar Association (1995-2001)
Board of Directors, Foundation of the Energy Law Journal (1997-2001)
Board of Directors, Center for the Advancement of Energy Markets (2000-2005)
Co-instructor, Energy Deregulation Seminar, Indiana University Law School (2004)

BornNew Haven, Connecticut, June 4, 1948

Bill Penniman concentrates his practice on energy, including energy-related administrative and appellate law. He counsels clients on a variety of regulatory matters and, when necessary, represents them in administrative and judicial proceedings. Bill provides transactional advice to clients looking to secure business-critical contracts for natural gas and electricity supplies and related services. A member of Sutherland's Energy Practice Group, Bill advises natural gas pipeline owners on complex federal pipeline regulations, as well as large consumers and marketers of natural gas and electricity.

Bill has participated in numerous proceedings before the Federal Energy Regulatory Commission (FERC) and federal courts that impact open-access transmission, pipeline certificates, natural gas and electric rates and tariffs, imports, environmental compliance, enforcement matters and a variety of other issues. He has also published law review articles on energy regulation and transactions and has frequently spoken on energy issues at conferences sponsored by bar associations, public organizations, trade groups, and private organizations. Bill recently co-authored with Professor Alfred C. Aman a book for law students concerning the practice of administrative law: Skills & Values: Administrative Law (published by LexisNexis 2012).

Selected Experience
Sutherland advises clients on energy regulation.
Sutherland advises energy clients on federal and state regulatory issues.
Sutherland represents clients before FERC and in federal court on energy matters.

Honorable C. Stanley Blair, U.S. District Court - Maryland.


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Office Information

William H. Penniman

700 Sixth Street NW, Suite 700
WashingtonDC 20001-3980


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