Derrick Williamson

Member in Charge of Harrisburg Office
Co-Chair, Utility, Energy & Communications Law Group

Practice Expertise

  • Energy Law
  • Litigation
  • Environmental Law
  • Shale Gas Law

Areas of Practice

  • Energy Law
  • Environmental Law
  • Litigation
  • Shale Gas Law
  • Utility Law
  • West Virginia Energy Users Group
  • View More

WSG Practice Industries

WSG Leadership

  • WSG Coronavirus Task Force Group - Member


Mr. Williamson's primary areas of practice are energy and public utility law, with a focus on representing large end-users of electricity.

Bar Admissions


  • Pennsylvania State Bar
  • United States Court of Appeals, District of Columbia Circuit
  • United States District Court for the Middle District of Pennsylvania


  • University of Maryland, B.A., summa cum laude, Phi Beta Kappa
  • Duke University School of Law, J.D., Research Editor, Duke Environmental Law & Policy Forum

Areas of Practice

  • Energy Law
  • Environmental Law
  • Litigation
  • Shale Gas Law
  • Utility Law
  • West Virginia Energy Users Group

Professional Career

Significant Accomplishments
  • Representing clients before state public service/utility commissions and appellate courts
  • Counseling manufacturing, institutional, and industrial clients regarding the procurement of energy services, including the analysis and negotiation of natural gas and electricity supply contracts
  • Substantial experience in legislative development, implementation, and regulation associated with electric industry restructuring and telecommunications competition in Pennsylvania and West Virginia
  • Serving for over 25 years the West Virginia Energy Users Group, a state-wide group of large industrial and manufacturing interests that collectively consume billions of kWh of electricity annually in West Virginia
  • Litigating electric and natural gas rate cases and merger cases
  • Representing end-users with respect to energy efficiency, demand-response, and on-site generation issues
  • Active in serving Veterans’ support and diversity initiatives in the legal field
  • Veteran, United States Army

  • Articles

    Publications & Presentations

    • Regular Contributor, Currents—Energy Industry Insights, Spilman Thomas & Battle, PLLC
    • Presenter, "The Industrial & Manufacturing Perspective," West Virginia Public Energy Authority Board Meeting, March 2022
    • Presenter, "Reshaping the Regulatory Landscape for Business & Industry," West Virginia Manufacturers Association Winter Convention, December 2020
    • Presenter, “The Problem(s) With PA’s Nuclear Bailout Legislation: What You Need to Know,” Pennsylvania Foundry Association Annual Meeting, May 2019
    • Provided testimony to the West Virginia Senate Energy Committee on Senate Bill 600, February 2018
    • Presenter, "Industrial Electric Rates," Joint Energy Committee at the West Virginia Legislature, December 2017
    • Presenter, "Middle of the Pack: The Rising Cost of Electricity for WV Business and Industry," WVMA Winter Convention, 2017
    • Presenter, “Industrial Energy Rates,” 2017 Governor’s Energy Summit: Advancing Energy Development
    • Faculty and Industry Leader, 2017 PA Public Utility Law Conference, "Impacts of the Trump Administration on the Electric Sector"
    • Presenter, "WV Industrial Manufacturing Customers - Under Attack Through Regulated Electric Rates," 2016 WV Energy and Manufacturing Forum (CEA)
    • Faculty and Industry Leader, 2015 PA Public Utility Law Conference
    • 2014 WVMA Leadership Summit: Energy Cost Update - Protecting Your Competitiveness in West Virginia

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