Lars Olthafer
Partner | Calgary
Calgary: 403-260-9633

Lars advises and represents upstream oil and gas producers, pipeline companies, and electrical generation and transmission companies on regulatory and environmental compliance and approval processes, public and aboriginal consultation, and land rights acquisition and compensation, in the context of both provincially and federally regulated projects, including northern and offshore developments.

Lars regularly appears before energy boards and other regulating bodies in Alberta and B.C., as well as the National Energy Board and the National Energy Board Act Pipeline Arbitration Committee. He has also appeared before the Alberta Court of Queen's Bench, the Alberta Court of Appeal, and the Federal Court of Canada.

Lars has worked as an engineer with a major Canadian pipeline company and has completed terms with the Canada Oil and Gas Lands Administration and with a major oil and gas company in relation to frontier exploration, reservoir exploitation, oil sands development, research and development, and natural gas new ventures.


Some highlights of Lars's representative work include the following:

  • Advise and represent a proponent on the regulatory, environmental and export approval requirements for a large-scale LNG export project in British Columbia

  • Advised EnCana Corporation in obtaining a British Columbia environmental assessment certificate and various other regulatory approvals for its Horn River Basin Cabin gas plant

  • Advised the Alaska Gas Pipeline Producers team on regulatory approval requirements for the Canadian portion of the Alaska natural gas pipeline project through the Yukon Territory, British Columbia, Northwest Territories and Alberta

  • Advise and represent AltaLink Management Inc. in connection with its land acquisition and compensation programs for its various Southern Alberta Transmission Reinforcement projects

  • Represented Compton Petroleum Corporation in obtaining conditional Alberta Energy and Utilities Board approval for critical sour gas well program southwest of Calgary, Alberta

  • Represented Enbridge Pipelines Inc. in the successful appeal of the Alberta Surface Rights Board award of annual pipeline compensation in connection with the Waupisoo pipeline project

  • Advise and represent Montana Alberta Tie Ltd. on regulatory and surface rights matters in connection with its 230kv international merchant power line project, including before Alberta Court of Queen's Bench on judicial review

  • Advise lenders, market participants and prospective wind power generators on regulatory requirements for new power generation developments and rules governing the creation of Alberta's integrated electric system and electricity marketplace

  • Represented Nexxtep Resources Inc. in the successful contested application to the Energy Resources Conservation Board for redesignation of the Lower Mannville C Pool to Rock Creek in the Wilson Creek Field

  • Advised and represented Alliance Pipeline Ltd. in obtaining National Energy Board approvals for Canadian portion of the Alliance Pipeline


Lars is recognized as a leading lawyer in the following publications:

  • Chambers Global: The World's Leading Lawyers for Business 2019 (Energy: Oil & Gas (Regulatory) - Canada)

  • Chambers Canada: The World's Leading Lawyers for Business - 2017-2019 (Energy & Natural Resources, Oil & Gas (Regulatory))

  • The Best Lawyers in Canada - 2015-2019 (Administrative and Public Law, Energy Regulatory Law and Environmental Law)

  • The Legal 500 Canada - 2017-2019 (Recommended: Energy: Oil and Gas)

  • Chambers Global: The World's Leading Lawyers for Business 2017 (Energy & Natural Resources)

  • Who's Who Legal: Canada (8th Edition) 2017 (Energy)

  • Chambers Global: The World's Leading Lawyers for Business - 2014-2016 (Energy: Oil and Gas (Regulatory) and Natural Resources)

  • The Canadian Legal Lexpert Directory - 2014-2016 (Energy: Oil and Gas)

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