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Terrence W. Regan is a partner in the firm’s Corporate and Energy, Renewables and Utilities departments. His practice involves advising and representing clients on matters related to energy and utility regulation and transactions. Terrance also assists clients with general corporate matters. While in law school, Terrance interned for the United States Attorney’s Office, Eastern District of New York, Criminal Division and served as Senior Articles Editor for the St. John’s Law Review.

Areas of Concentration:

  • Rate and General Utility Regulation
  • Facility Siting

Practice Areas



  • New York


  • J.D., St. John’s University School of Law, cum laude, 2013
  • B.A., College of the Holy Cross, 2009

Representative Experience

  • Handled major rate cases for electric and gas utility companies before the New York State Public Service Commission.
  • Assisted electric and gas utilities and retail supply companies in generic industry proceedings before state regulatory commissions.
  • Ensured regulatory compliance for electric and gas utilities and retail supply companies, including administrative investigations and penalty actions before state regulatory commissions.


  • Recent Developments in Public Utility, Communications and Transportation Industries American Bar Association Journal, 2015—2018.