LAWYER PROFILE
Peter Whitfield

Peter Whitfield

USA 2026

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Ranked in 1 practice area

About

Provided by Sidley Austin LLP

Practice Areas

PETER WHITFIELD assists his clients with environmental issues prior to, during, and after project development and operation. He helps companies navigate citizen suits, enforcement actions, regulatory proceedings, and challenges to their environmental clearances. Peter also handles a variety of administrative litigation matters on behalf of clients. With over a decade of experience, Peter has extensive knowledge of the Clean Air Act, National Environmental Policy Act, Endangered Species Act, National Historic Preservation Act, Administrative Procedure Act, Marine Mammal Protection Act, Outer Continental Shelf Lands Act, and numerous other federal and state laws. Peter’s NEPA and regulatory practice is distinguished as he has represented clients on projects that are onshore, offshore, transboundary, and even in outer space.

Peter’s practice also focuses heavily on conventional and renewable fuels regulation. He assists clients with regulatory compliance, transactional advice, advocacy, and litigation under the Renewable Fuel Standard and other fuel regulatory programs.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment - District of Columbia

Band 5
Band 5

Individual Editorial
Peter Whitfield is recognized for his experience dealing with a range of environmental matters. He is particularly noted for his work in environmental litigation and he also handles regulatory compliance proceedings for energy clients.

Strengths

Provided by Chambers

  • Peter is great at his job. He knows our business, quickly picks up on what we need from him and devises custom solutions to help us.

    EnvironmentChambers Guide to the USA
  • Peter Whitfield is extremely knowledgeable on a host of environmental-related matters.

    EnvironmentChambers Guide to the USA

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California

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