William Barksdale represents electric power and natural gas market participants in investigations by the Federal Energy Regulatory Commission (FERC), administrative litigation before FERC, and litigation before federal district and appellate courts.


Mr. Barksdale has represented clients in numerous FERC investigations and enforcement actions involving alleged violations of FERC’s anti-manipulation rule, FERC’s duty of candor and RTO/ISO tariffs. A significant portion of Mr. Barksdale’s practice also has included advising clients on capacity market rules in restructured energy markets. Mr. Barksdale has experience representing clients at all stages of complex commercial disputes.

Illustrative matters include representation of:

  • Barclays Bank PLC in an enforcement proceeding brought by FERC in the Eastern District of California alleging violations of FERC’s anti-manipulation rule; and a putative class action in the Southern District of New York alleging antitrust violations relating to the same alleged conduct;
  • a natural gas marketer in an investigation of possible index manipulation;
  • an electric power producer in an investigation of its day-ahead offer behavior;
  • an electric power producer in an investigation of its operation and fuel procurement activities;
  • an electric power marketer in an investigation of its transmission scheduling;
  • a natural gas marketer in an investigation of its price reporting activities;
  • an electric power producer in connection with the retirement of a large generation facility;
  • NextEra Energy Resources, LLC, the NRG Companies, the PSEG Companies and Dominion Resources Services, Inc. in protest of an exemption to ISO-New England Inc.’s buyer-side mitigation rules, and in a subsequent appeal that resulted in a voluntary remand;
  • The PSEG Companies in an appeal of FERC Order No. 1000 and in a separate appeal of FERC orders holding that there is no right of first refusal for the construction of transmission facilities in PJM Interconnection, LLC; and
  • FirstEnergy Corp. in an appeal of FERC orders relating to the realignment of its transmission, generation and local utility subsidiaries from the Midwest Independent System Operator to PJM Interconnection, LLC.

Mr. Barksdale is actively engaged in pro bono matters. He has served as a court-appointed guardian ad litem, representing the best interests of minor children, and also has represented clients seeking asylum in the United States.



  • J.D., University of Virginia School of Law, 2008
  • B.A., University of Virginia, 2005


  • New York
  • District of Columbia
  • U.S. Court of Appeals for the District of Columbia
  • U.S. District Court for the Southern District of New York

William R. Barksdale

Counsel, Energy Regulation and Litigation