President and CEO
Mark Poweska is President and CEO of Hydro One Limited. With nearly 1.4 million valued customers, over C$25 billion in assets and 2019 annual revenues of approximately $6.58 billion, Mark leads Ontario’s largest electricity transmission and distribution provider and is a proven leader with a reputation for prioritizing safety, exceeding customer expectations, cutting costs and improving operational performance.
With a team of approximately 8,800 skilled and dedicated employees, Mark has propelled the company to new heights, devising a new corporate strategy that sets a clear vision for the future of Hydro One. Mark has deep industry knowledge and an ability to develop enduring relationships with industry partners, unions, Indigenous communities, regulators and all levels of government.
Prior to joining Hydro One, Mark served as Executive Vice President, Operations at BC Hydro. During his tenure in the role, Mark successfully led the merger of the former Transmission and Distribution organization with the Generation organization. During his more than 25 years at BC Hydro, Mark has proven that he can build a strong safety culture, put customers first and improve efficiency. Mark is a mechanical engineer with experience at all levels of the electricity industry, from the front line to the executive team.
Mark is the Chair of the Board of Directors of the Ontario Energy Association and serves on the Board of the Canadian Electricity Association and Western Energy Institute. He was recognized by the Ontario Energy Association as Leader of the Year for 2020 for his leadership of Hydro One’s transformation to be more customer-driven, sustainable, safe, and efficient, and under his direction to stand up for all Ontarians.
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