Energy (Electrical Power)


Osler’s top tier team of power legal professionals have represented Canadian, U.S. and international clients on many of the highest profile transactions in the electricity sector. Our unparalleled transactional experience ensures our legal advisors have a cutting edge understanding of the relevant issues and the latest developments.  Osler’s expertise extends to every fuel source, from natural gas, wind, hydro, biomass, solar and nuclear to oil and coal, along with their unique commercial and policy drivers. In short, we understand the complexities of the regulatory frameworks and policy issues facing these industries. This knowledge, gained only through experience, assists our clients in anticipating pivotal developments, and allows clients to leverage Osler’s know-how and connections to plan, execute and complete their projects with the best possible outcome. Regardless of a project’s size, clients come to Osler when the project is critically important to their business.

We get results by working in close partnership with our clients and through our integrated legal team that advises on:

  • Aboriginal issues
  • Interconnection
  • Climate Change and Environmental Impact
  • Corporate structuring and partnerships
  • Power purchase agreements and related off-take arrangements
  • Engineering, procurement and construction contracts and equipment supply agreements
  • Project finance
  • Real Estate
  • Environmental and regulatory approvals
  • Tax

With more than 400 lawyers based in Toronto, Montréal, Calgary, Ottawa, Vancouver and New York, Osler has a cross-border presence that is one of our strengths and enables us to effectively represent U.S. and international companies doing business in Canada. 


Related Expertise

Rocco Sebastiano

Partner, Commercial

Janice Buckingham

Partner, Energy

Lorne Carson

Partner, Corporate

Richard Wong

Partner, Commercial

Paula Olexiuk

Partner, Energy
  • Pattern Energy Group Inc.

    Pattern Energy Group Inc. in the proposed sale of its interest in the K2 Wind Project to a consortium of investors led by Axium Infrastructure

  • MaxGen Energy Services Holdings LLC

    Power Factors, LLC in its acquisition of all of the issued and outstanding shares of Arista Renewable Energies Inc.

  • Greengate Power Corporation

    Greengate Power Corporation in its $100 million strategic co-development partnership with Fengate Real Asset Investments

  • Henvey Inlet Wind LP

    Henvey Inlet Wind LP in the $1 billion financing and construction of the Henvey Inlet Wind Farm

  • TransCanada Corporation

    TransCanada Corporation in the sale of its Ontario solar portfolio to Axium Infinity Solar LP for approximately $540 million

  • Hydro One Limited

    Hydro One Limited in its offering of $1.4 billion 4.00% convertible unsecured subordinated debentures represented by installment receipts.

  • Hydro One Limited

    Hydro One Limited in connection with its merger with Avista Corporation with an acquisition cost of $6.7 billion

  • Pattern Energy

    Pattern Energy invests US$60 million in Pattern Development and forms strategic relationship with PSP Investments

  • BluEarth Renewables Inc.

    BluEarth Renewables Inc. in connection with the project financing by National Bank of Canada of a 15MW run-of-river hydro project located near Squamish, British Columbia, being developed by Culliton Creek Power Limited Partnership, a subsidiary of BluEarth Renewables Inc.

  • Kineticor

    Kineticor closed $125 million convertible debt and equity financing commitment from OPTrust and the acquisition of a partially constructed 690 MW cogeneration plant located near Peace River, Alberta from Shell Canada.

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  • Chambers Canada Awards, 2018: Osler named "Energy Law Firm of the Year”.
  • Chambers Canada: Canada’s Leading Lawyers in Business, 2016-2019: Band 1, Energy: Power.
    • "They have in-house expertise in all areas."
    • "They provide high-level strategic advice, as well as detailed technical legal advice, and provide a seamless service across all relevant practice areas."
  • Chambers Canada: Canada’s Leading Lawyers for Business, 2019: Band 1, Energy: Provincial Regulatory – Alberta.
  • Chambers Canada: Canada’s Leading Lawyers for Business, 2019: Energy: Provincial Regulatory – Ontario.
  • Chambers Global: The World’s Leading Lawyers in Business, 2013-2018: Energy: Power.
    • "Osler’s highly regarded energy group has played an integral role in advising clients in many of the most significant and complex transactions and projects involving Canadian energy companies at home and abroad."


  • The Canadian Legal Lexpert Directory, 2018: (Calgary, Alberta) Osler ranked in the area of Energy (Electricity) practice as Consistently Recommended.
  • The Canadian Legal Lexpert Directory, 2017-2018: (Toronto, Ontario) Osler ranked in the area of Energy (Electricity) practice as Consistently Recommended.

Legal 500

  • The Legal 500, 2019: Energy: Power.

Who’s who Legal

  • Who’s Who Legal, 2016: Energy.

Best Lawyers

  • The Best Lawyers in Canada, 2012-2019: Osler lawyers recognized in the area of Energy Law.
  • The Best Lawyers in Canada, 2014-2019: Osler lawyers recognized in the area of Energy Regulatory Law.

Expert Guides

  • Expert Guides: The Legal Media Group Guides to the World’s Leading Lawyers, 2018: Osler lawyers recognized as leaders in Energy and Natural Resources.