Jeremy Barretto

Partner

 | Calgary

Jeremy Barretto is a partner at Cassels and serves as Chair of the firm’s national Regulatory Law Group. He is a nationally recognized expert in regulatory, environmental, energy, and Aboriginal law, representing proponents in obtaining approvals and negotiating agreements for major energy and natural resources projects across Canada. Jeremy navigates complex regulatory and environmental processes in industries such as renewable energy, nuclear, electricity, oil and gas, mining and infrastructure development. He has lectured at law schools across Canada, published articles in the Alberta Law Review and Globe and Mail, and co-authored The Law of Indigenous Ownership and Projects, which was published by Thomson Reuters.

Jeremy offers specialized regulatory expertise and represents clients before courts and tribunals across Canada. He has represented proponents in over 100 hearings before federal and provincial regulators, including in-person, written, and virtual hearings. He has a specialized expertise in advising clients on Indigenous equity projects. Jeremy also has expertise in a wide range of decarbonization and renewable-energy related agreements, including virtual power purchase agreements.

Recognized as a leader in his field by Best Lawyers (Energy Regulatory Law and Aboriginal Law), Lexpert (Energy (Oil & Gas)), Chambers Canada (Aboriginal Law and Energy: Oil & Gas (Regulatory)), and Chambers Global (Aboriginal Law and Energy: Oil & Gas (Regulatory)). Jeremy is a frequent presenter on regulatory and Aboriginal law matters. He has delivered guest lectures in the faculties of law and business at the University of Calgary, University of Alberta, University of Toronto, and Osgoode Hall Law School. Jeremy is also a Professional Engineer who is familiar with the technical aspects of project development.

  • Best Lawyers in Canada (Energy Regulatory Law | Aboriginal Law)
  • Canadian Legal Lexpert Directory (Energy: Oil & Gas)
  • Chambers Canada (Aboriginal Law, Energy: Oil & Gas – Regulatory)
  • Chambers Global (Aboriginal Law, Energy: Oil & Gas – Regulatory)
  • IFLR1000 (Projects: Energy)
  • Legal500 Canada (Power | Oil & Gas)
  • Lexpert Special Edition, Energy and Mining
  • “For a regulatory matter, Jeremy would be my first choice.” – Chambers Canada (Regulatory)
  • “His communication skills are outstanding, ensuring his clients are always well-informed and supported.” – Chambers Canada (Regulatory)
  • “I’ve been impressed by his depth of knowledge, attention to detail and strategic acumen.” – Chambers Canada (Regulatory)
  • “Jeremy Barretto is an exemplary legal professional whose dedication to his clients and mastery of his craft is truly commendable.” – Chambers Canada (Regulatory)
  • “He is very knowledgeable, practical, responsive and efficient.” – Chambers Canada (Aboriginal)
  • “Jeremy is a strong lawyer and provides exceptional customer service.” Chambers Canada (Aboriginal)
  • “Jeremy is a very talented lawyer. He is practical, responsive, and listens to the client.” – Chambers Canada (Aboriginal)
  • “Jeremy is a very good lawyer in the area.” – Chambers Canada (Aboriginal)
  • “He has a great knowledge base, he’s a great communicator and he has the ability to view things at the ten thousand foot level and to drill down into the detail when necessary.” – Chambers Canada (Energy: Oil & Gas – Regulatory)
  • “In tense situations, he doesn’t get rattled – he’s quick to counter challenges and come up with arguments that are forceful. He’s got a strong technical background too, he understood the technical arguments and could handle that as well as the legal matters.” – Chambers Canada (Energy: Oil & Gas – Regulatory)
  • “He’s very good on strategy in complex regulatory work.” – Chambers Canada (Energy: Oil & Gas – Regulatory)
  • Canadian Bar Association, Member-at-Large, National Energy, Environment & Resources Law Section
  • Canadian Energy Law Foundation (CELF), Board of Directors
  • Beltline Urban Murals Project, Pro-bono Counsel
  • Business Renewables Centre Canada, Advisory Board Member
  • Contemporary Calgary, Board Member
  • J.D., Osgoode Hall Law School, 2010
  • M.Eng. (Environmental Engineering), University of Calgary, 2008
  • B.Sc. (Civil Engineering), University of Calgary, 2004
  • Alberta, 2011
  • British Columbia, 2019
  • Ontario, 2022
  • Association of Professional Engineers and Geoscientists of Alberta, Professional Engineer (P.Eng.)
  • Calgary Bar Association
  • Canadian Bar Association
  • Law Society of Alberta
  • Law Society of British Columbia
  • Law Society of Ontario