Shannon K. Hayes, KC,

• Lexology: Client Choice Award Winner, Commercial Litigation - Canada, 2025
• Chambers Canada: Litigation: General Commercial - Alberta (Band 5), 2025
• Best Lawyers in Canada: Alternative Dispute Resolution and Commercial Litigation, 2021-2025
• Benchmark Litigation: Canada’s Top 100 Women in Litigation, 2022-2024
• Benchmark Canada - The Guide to Canada’s Leading Litigation Firms and Attorneys:
  • Litigation Star, 2020-2024
  • Future Star, 2019
• Thomson Reuters: Stand-Out Lawyer, 2022-2024
• The Legal 500 Canada:
  • Dispute Resolution - Alberta (Next Generation Partner), 2022-2025
  • Dispute Resolution (Extremely Strong Younger Partner), 2018
• Acritas Stars: 2019-2021
• Lexpert Special Edition: Leading US/Canada Cross-Border Litigation Lawyers, 2015
• Lexpert Rising Star Award: Canada's Leading Lawyers Under 40, 2014

Shannon has experience in the following areas:

Notable Cases

• Lead counsel to a large energy company in a  private arbitration dispute with its landlord over several millions of dollars in disputed operating costs.
• Co-lead counsel to a pulp and paper mill in a private arbitration involving a claim for force majeure.
• Co-lead counsel to a power plant owner on several force majeure disputes involving equipment failure and significant contract penalty amounts.
• Co-lead counsel to a midstream facility owner involved in a significant private arbitration dispute with the co-owner over facility access and capacity, facility maintenance, and obligations to process third-party gas.
• Co-lead counsel on a successful complex force majeure claim for a power plant owner facing almost $200 million in outage penalties and successfully defended an attempt to appeal, and then to set aside, the arbitration award.
• Co-lead counsel to a real estate development company in a successful breach of contract claim in relation to a large downtown parcel resulting in more than $150 million in damages.
• Co-lead counsel to a hydro dam owner in a claim dealing with hydraulic fracturing activity.
• Lead counsel on various matters on the interpretation of energy industry agreements.
• Lead counsel on various matters dealing with energy sector activity, accounting, marketing and development.

Commercial and General Litigation

• Broad litigation experience in commercial tort and contract claims

Energy Litigation

• Involvement in a wide variety of energy matters, including disputes on the duties of operators, accounting principles and industry contract interpretation
• Regular advisor on power and utility disputes and regulatory matters

Commercial Arbitration

• Counsel in arbitrations under Alberta's legislated Power Purchase Arrangements and in related court proceedings
• Acted for clients in numerous domestic arbitrations of various commercial issues under the Alberta Arbitration Act
• Experience in international commercial arbitrations

Electronic Documents and Data Management

• Regular advisor on records management, litigation preparedness, electronic discovery and evidence matters