Energy is Our Passion.

Margaret Claybour


Areas of Focus

  • Project Development, Operation and Market Participation
  • M&A and Financing
  • Compliance and Enforcement
  • Cost of Service Rates


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    • District of Columbia


    • Washington University in St. Louis School of Law, J.D., 2002
    • Carleton College, B.A., cum laude, 1991

      Margaret is one of the four founding partners of Rock Creek Energy Group.  She has over 18 years of experience counseling and representing a broad swath of electric industry participants on a wide range of federal energy regulatory and administrative litigation matters.  She provides strategic counsel to investor-owned utilities, renewable and conventional generators, private equity and institutional investors, developers, and renewable energy providers on transactional, regulatory, and litigation matters.  

      Margaret counsels clients in commercial transactions involving FERC-jurisdictional assets, including regulatory due diligence related to the potential acquisition or financing of energy assets; corporate reorganizations, acquisitions or divestitures under Section 203 of the Federal Power Act (FPA); market-based and formula rates under Section 205 of the FPA; issuance of securities under Section 204 of the FPA; and obtaining certifications for exempt wholesale generators and qualifying facilities under the Public Utility Holding Company Act of 2005 and the Public Utility Regulatory Policies Act of 1978, respectively.

      Margaret represents clients in administrative litigation matters before FERC, including RTO/ISO generation and transmission interconnection issues, FERC enforcement investigation and self-reports, reactive power compensation, transmission formula rates, and Section 206 complaints. She also counsels clients on North American Electric Reliability Corporation and Regional Entity investigations and audits.

      Margaret helps clients identify important federal energy regulatory considerations, develop and implement strategies to address regulatory issues.  She advises clients on developing, maintaining, and auditing FERC compliance programs.

      Margaret is an amateur photographer and loves paddle boarding when she can find the time.

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