Department profile
O'Melveny & Myers LLP

Energy: State Regulatory & Litigation (Electricity)

USA Guide 2026 : Texas

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O'Melveny & Myers LLP

Rankings

Chambers Review

Provided by Chambers

Energy: State Regulatory & Litigation (Electricity) - Texas

Band 1

What the Team is Known For
O'Melveny & Myers LLP is sought after for its expertise across a range of energy regulatory matters. The team has significant strength representing clients before the PUC, ERCOT and the Railroad Commission of Texas. The team is highly capable in litigation, including rate cases and administrative rulemakings, which is complemented by its expert regulatory counsel on large transactions and developments in the power and renewables space.
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Work Highlights

Provided by Chambers

  • O'Melveny & Myers LLP continued to represent Texas Instruments in Texas energy regulatory matters including providing assistance on procurements and renewable project development.

Strengths

Provided by Chambers

  • The service level is top-notch in all energy matters.

    Energy: State Regulatory & Litigation (Electricity) respondentUSA

  • The team at O'Melveny as it relates to Texas is completely unmatched. They are viewed as subject matter experts and widely recognized for their knowledge.

    Energy: State Regulatory & Litigation (Electricity) respondentUSA

  • The firm understands complex litigation very well, gets up to speed quickly and has decades of experience in the energy industry.

    Energy: State Regulatory & Litigation (Electricity) respondentUSA

  • Their knowledge in the space is incredible.

    Energy: State Regulatory & Litigation (Electricity) respondentUSA

Notable Practitioners

Provided by Chambers

  • Rex D VanMiddlesworth
    Rex D VanMiddlesworth

    Rex D VanMiddlesworth

    Rex VanMiddlesworth is recognized for his skillful representation of energy clients in administrative proceedings and civil litigation.
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  • Katherine L Coleman
    Katherine L Coleman

    Katherine L Coleman

    Katherine Coleman has vast expertise in rate cases, ERCOT matters and energy regulatory compliance for large projects.

    • Katie is dedicated and knows the energy business well.

      Energy: State Regulatory & Litigation (Electricity) respondentUSA

    • Katie is excellent.

      Energy: State Regulatory & Litigation (Electricity) respondentUSA
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  • Phillip G Oldham
    Phillip G Oldham

    Phillip G Oldham

    Phillip Oldham is highly regarded for his work on administrative and regulatory matters pertaining to large oil and gas projects.

    • Phillip is very talented and experienced.

      Energy: State Regulatory & Litigation (Electricity) respondentUSA

    • Phillip is brilliant.

      Energy: State Regulatory & Litigation (Electricity) respondentUSA
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  • Benjamin B Hallmark
    Benjamin B Hallmark

    Benjamin B Hallmark

    Benjamin Hallmark is particularly noted for his PUCT practice involving administrative law. He has represented clients in a wide range of litigation matters involving energy issues.
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Ranked Individuals at O'Melveny & Myers LLP (4)

Texas

  • Profile image of Rex D VanMiddlesworth

    Rex D VanMiddlesworth

    Energy: State Regulatory & Litigation (Electricity)

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  • Profile image of Katherine L Coleman

    Katherine L Coleman

    Energy: State Regulatory & Litigation (Electricity)

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  • Profile image of Phillip G Oldham

    Phillip G Oldham

    Energy: State Regulatory & Litigation (Electricity)

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  • Profile image of Benjamin B Hallmark

    Benjamin B Hallmark

    Energy: State Regulatory & Litigation (Electricity)

    View profile

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