Thomas H. Campbell

Thomas H. Campbell

Partner vCard
602.262.5723 office
602.734.3841 fax
201 East Washington Street
Suite 1200
Phoenix, AZ 85004

Thomas Campbell's practice is concentrated in the areas of regulatory and administrative law, particularly energy, telecommunications, water and utility regulation.

Thomas represents energy companies in regulatory and contractual matters, including siting and building power plants and transmission lines, resource planning, renewable energy development, EPC contracts, transmission contracts, financings, rate applications and the purchase and sale of energy facilities. For instance, he represented an energy company in a multi-faceted transaction in which the company purchased the assets of another energy company and received regulatory approval for rate increases and loans to finance the transaction. He has also represented solar and wind energy companies in regulatory contract matters.

He represents water and sewer companies in their transactional and regulatory matters, including expansion of service areas, rate cases, financing applications and negotiation of line extension and service agreements. He also represents purchasers and sellers of utility infrastructure.

He represents telecommunications and technology clients including long distance carriers, competitive local exchange carriers, wireless carriers, resellers and internet service providers. Thomas handles telecommunications and technology contract negotiations including interconnection contracts, specialty contracts involving collocation, 911 service, right of way, database and database access service issues; customer contracts involving sale of equipment and provision of service; and assignment of intellectual property rights associated with telecommunications and technology systems.

He also has represented large industrial and commercial users of gas, electric, water, telecommunications and technology services in regulatory proceedings and contract negotiations. For example, he represented the purchaser of the video, internet and telecommunications technology serving a large master planned community and a residential community and golf course developer in arranging for water infrastructure for a planned development.

Thomas regularly represents parties in siting, rate, CC&N, merger, acquisition and financing applications, tariff filings, interconnection arbitrations, complaint and other proceedings before the Arizona Corporation Commission. He has also handled utility industry matters before the Arizona Department of Environmental Quality, the Arizona Attorney General’s office, the Department of Water Resources and the Arizona State Land Department.

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Related Publications

  • Author, "Entitlement Process for Siting Solar Power Facilities," Trend Report, December 2009
  • Co-Author, "Siting Renewable Electric Infrastructure in the Southwest," The Bloomberg Law Reports, October 2009
  • Co-Author, "Power Up: Infrastructure Site Selection,", May 2009
  • Chapter Contributor, "Report of the Renewable and Demand-Side Management Committee," Energy Law Journal, 2009 - 2013
  • Chapter Contributor, "State Regulation Committee," Energy Law Journal, 2012-2013
  • Chapter Contributor, "Inside the Minds: Client Strategies for Alternative Energy and Efficiency," Aspatore Books, December 2008



  • The Best Lawyers in America - 2016 Energy Law “Lawyer of the Year” in Phoenix - Administrative/Regulatory Law and Energy Law, 2008-2017
  • Martindale-Hubbell - "AV/Preeminent Attorney" Rating
  • John P. Frank Pro Bono Awards Luncheon - Recognized for commitment - Pro bono service
  • Fortnightly - Groundbreaking Lawyers - Project siting and contracting, 2009
  • AZ Business Magazine - Top Lawyers - Environmental Law, 2010

Other Info



J.D., University of California, Hastings College of Law, 1980
M.A., California State University, Los Angeles, 1977
B.A., University of California, Los Angeles, 1973

Bar Admissions

Arizona, 1980

Memberships & Affiliations

  • Court Appointed Special Advocate CASA for Foster Children, Advocate
  • Maricopa County Bar Association, Member
  • State Bar of Arizona, Member
  • Energy Bar Association, Member, Renewable Energy and Demand Side Management Committee and the State Commission Practice and Regulation Committee