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    John Shirley photograph

    John O. Shirley

    Senior Partner

    Baton Rouge
    225-376-0288
    john.shirley@phelps.com
    Areas Of Focus
    BusinessEnergyWholesale Power and Regulated UtilitiesGovernment Relations and Public Policy

    John Shirley practices in the area of business law, having represented public utilities before the Louisiana Public Service Commission for more than 37 years. His practice consists of representing electric, gas, water and sewer utilities, motor carriers, telecommunications companies, and wind and other renewable energy companies before the Louisiana Public Service Commission. He also consults and lobbies elected public service commissioners, the Louisiana Bond Commission, executive staff and the Louisiana legislature on behalf of his clients.

    Prior to joining the firm, he was the founding partner of Shirley, Ezell, Guarisco & Marionneaux, LLC.

    Experience

    • Represented investor owned utility companies in multi-billion dollar rate cases.
    • Represented multiple utility companies in the sale or acquisition of other utilities within the state.

    Insights

    • August 15, 2024

      185 Phelps Lawyers Chosen for Best Lawyers in America, 20 Named "Lawyer of the Year," 26 Added to “Ones to Watch” List…

    • June 6, 2024

      Chambers USA Guide 2024 Ranks 24 Phelps Practice Areas and 69 Lawyers…

    More +
    • August 17, 2023

      Best Lawyers in America Selects 208 Phelps Lawyers, Names 12 "Lawyer of the Year," Adds 47 to "Ones to Watch" List…

    • June 1, 2023

      Chambers USA 2023 Ranks 20 Phelps Practice Areas and 60 Lawyers…

    • August 18, 2022

      Best Lawyers in America Selects 158 Phelps Lawyers, Names 10 "Lawyer of the Year," Adds 40 to "Ones to Watch" List…

    • June 1, 2022

      Chambers USA 2022 Ranks 19 Phelps Practice Areas and 56 Lawyers…

    • May 20, 2021

      Chambers USA 2021 Ranks 18 Phelps Practice Areas and 52 Lawyers…

    Recognition

    • AV Preeminent Peer Review Rated, Martindale-Hubbell
    • Chambers USA: America’s Leading Lawyers for Business - Energy & Natural Resources: Utilities
    • Energy Law (2013-2025), Government Relations Practice (2011-2025), "Lawyer of the Year" Energy Law (2017), The Best Lawyers in America
    • AV Preeminent Peer Review Rated, Martindale-Hubbell
    • Chambers USA: America’s Leading Lawyers for Business - Energy & Natural Resources: Utilities
    • Energy Law (2013-2025), Government Relations Practice (2011-2025), "Lawyer of the Year" Energy Law (2017), The Best Lawyers in America

    Education

    • Louisiana State University Law Center, J.D., 1986
    • Southeastern Louisiana University, B.S., 1976
    • Louisiana State University Law Center, J.D., 1986
    • Southeastern Louisiana University, B.S., 1976

    Credentials

    • Louisiana
    • U.S. District Court, Western District of Louisiana
    • U.S. District Court, Middle District of Louisiana
    • U.S. District Court, Eastern District of Louisiana
    • Louisiana
    • U.S. District Court, Western District of Louisiana
    • U.S. District Court, Middle District of Louisiana
    • U.S. District Court, Eastern District of Louisiana

    Memberships and Affiliations

    • Baton Rouge Bar Association
    • Louisiana State Bar Association, Public Utilities Section - Former Chair (2008-2009)
    • Federal Bar Association
    • Energy Bar Association, New Orleans Chapter - Board Member
    • Baton Rouge Bar Association
    • Louisiana State Bar Association, Public Utilities Section - Former Chair (2008-2009)
    • Federal Bar Association
    • Energy Bar Association, New Orleans Chapter - Board Member
    • Overview
    • Experience
    • Insights
    • Recognition
    • Education
    • Credentials
    • Memberships and Affiliations

    Related Services

    • Business
    • Energy
    • Wholesale Power and Regulated Utilities
    • Government Relations and Public Policy
    • Renewables
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