Energy is Our Passion.

Margaret Claybour

Partner

Areas of Focus

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

    Contact

    T 202-944-0267mclaybour@rockcreekenergygroup.com vCard | LinkedIn | PDF Bio

    Admission

    • District of Columbia

      Education

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

      Recognition

      • Ranked in Chambers USA for Energy: Electricity (Regulatory & Litigation) 2023 - 2026
      • Ranked in Chambers Global – Energy: Electricity (Regulatory & Litigation) - USA, 2024 - 2026
      • Recognized by Best Lawyers® for Energy Law, 2025-2027
      • Recognized by The Legal500 – Energy Regulation: Electric Power

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

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