Jeremy Barretto


 | Calgary

Jeremy Barretto (he/him/his) is a partner at Cassels and serves as Chair of the firm’s national Regulatory Law Group and Co-Chair of the Environmental, Social & Governance (ESG) Group. He has extensive regulatory, environmental, and Aboriginal law experience. Jeremy frequently represents proponents in obtaining approvals and negotiating agreements for resource development projects across Canada. He has expertise in renewable energy, oil and gas, mining, and infrastructure development. Jeremy has presented at national conferences and published articles, including in the Alberta Law Review, Globe and Mail and CBC. Jeremy previously worked in environmental engineering, earning his Professional Engineer designation. He is recognized as a leader in his field by Best Lawyers: Ones to Watch, Chambers Canada, and Chambers Global. Jeremy is a guest lecturer with the University of Calgary and University of Alberta Faculty of Law.

Jeremy’s representative work includes having acted for:

  • Trans Mountain Corporation, since 2012, with regard to regulatory, land, and tolling approvals for the proposed $21.4 billion 1,147 km Trans Mountain Expansion Project, including more than 100 route hearing regulatory processes before the Canada Energy Regulator
  • Potentia Renewables Inc. with regard to its Alberta Utilities Commission wind energy approvals for its Jenner 1, 2, and 3 wind power projects in 2021, which are projected to collectively produce over 300 MW of power
  • Veresen Inc. with regard to regulatory and environmental aspects of its $9.7 billion arrangement agreement with Pembina Pipeline Corporation
  • Prince Rupert Port Authority with respect to federal environmental assessment determinations and associated judicial reviews
  • Generation Mining Inc. as lead counsel with respect to its 2022 federal-provincial Joint Review Panel hearing for its Marathon Palladium Project; the hearing involved more than 50 participants, including Indigenous communities and government agencies

  • Best Lawyers: Ones to Watch (Aboriginal Law)
  • Canadian Legal Lexpert Directory (Energy: Oil & Gas)
  • Chambers Canada (Aboriginal Law, Energy: Oil & Gas – Regulatory)
  • Chambers Global (Energy: Oil & Gas – Regulatory)
  • “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)
  • Beltline Urban Murals Project, Pro-bono Counsel
  • Business Renewables Centre Canada, Advisory Board Member
  • Canadian Bar Association, Natural Resources Section Alberta, Vice-Chair
  • Canadian Climate Law Initiative, Expert
  • 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 (Alberta Branch), Chair, Natural Resources Section
  • Law Society of Alberta