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Hannah Oakes


555 17th Street, Suite 3200, Denver, CO 80202

Hannah Oakes counsels clients through a variety of public utility regulatory matters in Colorado, Montana, New Mexico, Utah, and Wyoming.

Hannah’s clients include large energy consumers, industrial and commercial electric customers, local distribution companies, oil and gas pipelines, qualifying facilities, renewable energy developers, independent power producers, and telecommunication and cable companies.


Hannah has experience with a variety of public utilities matters including:

  • Complaint proceedings
  • Tariff issues
  • Rate cases
  • Rate-making principles
  • Rate of return
  • Capital structure
  • Depreciation
  • Resource planning
  • Demand side management
  • Legislation
  • Regulatory due diligence review of energy projects
  • Various administrative petitions and applications



Bar Admissions

Professional and Civic Affiliations

  • Colorado Women’s Bar Association, Member
  • Women’s Energy Network, Colorado Chapter, Member

Unless you are a current client of Holland & Hart LLP, please do not send any confidential information by email. If you are not a current client and send an email to an individual at Holland & Hart LLP, you acknowledge that we have no obligation to maintain the confidentiality of any information you submit to us, unless we have already agreed to represent you or we later agree to do so. Thus, we may represent a party adverse to you, even if the information you submit to us could be used against you in a matter, and even if you submitted it in a good faith effort to retain us.