Overview

John Decker is a partner in the Energy Regulatory Practice Group in the Washington, D.C., office of Kirkland & Ellis LLP. John represents natural gas pipeline owners, liquefied natural gas importers, investor-owned utilities, owners of qualifying facilities, exempt wholesale generators, electric power marketers and municipalities before the Federal Energy Regulatory Commission (FERC) and the Department of Energy (DOE), and also counsels clients on commercial and regulatory issues in the domestic wholesale and retail electricity markets. In addition, he represents sponsors of energy infrastructure projects applying for grants and loan guarantees from the United States Department of Energy.

John is one of a handful of lawyers in the U.S. ranked by Chambers USA for regulatory work in both electricity and oil and gas. Chambers Global and The Legal 500 U.S. have also featured him in various energy regulatory categories for more than a decade.

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Recognition

Chambers Global, Energy & Natural Resources (USA), 2014–2019; Energy: Electricity (Regulatory & Litigation) (USA), 2014–2025; Energy: Oil & Gas (Regulatory & Litigation) (USA), 2023–2025

Chambers USA, Energy: Electricity (Regulatory & Litigation) (Nationwide), 2007–2024; Energy: Oil & Gas (Regulatory & Litigation) (Nationwide), 2007–2024

The Legal 500 U.S., “Leading Lawyer” in Energy: Regulatory, 2013–2019; Real Estate: Construction, 2019; Energy Regulation: Oil & Gas, 2020–2024; Energy Regulation: Conventional Power, 2019–2022; “Leading Lawyer” in Energy Regulation: Conventional Power, 2019–2022 and 2024

Expert Guides, Best of the Best USA, Energy and Natural Resources, 2022

Legal Media Group’s (Euromoney’s) Expert Guide to the World’s Leading Energy and Natural Resource Lawyers, 2016

The Best Lawyers in America (BL Rankings, LLC), Energy Law (Washington), 2021–2025

Selected to the 500 Leading Energy Lawyers, Lawdragon, 2023 and 2024

Memberships & Affiliations

Member, Energy Bar Association

Credentials

Admissions & Qualifications

  • District of Columbia
  • Maryland

Education

  • University of Virginia School of LawJ.D.1994

    Editor-in-Chief, Virginia Environmental Law Journal

    Order of the Coif

  • Duke UniversityA.B., Economics & Political Sciencecum laude1991
    Omicron Delta Epsilon