President & CEO,
Independent Electricity System Operator
Peter Gregg is President and Chief Executive Officer of the Independent Electricity System Operator. Under Mr. Gregg’s leadership, the IESO oversees the safe and reliable operation of Ontario’s bulk electrical system and market, the province’s energy planning and procurement, and works with its partners to guide conservation efforts across the province.
Mr. Gregg is an experienced leader in Ontario’s electricity sector. As the President and CEO of Enersource from 2014 to 2016, he was integral in the merger of four of Ontario’s largest local distribution companies to create Alectra Energy Solutions Inc., the second largest municipally-owned utility in North America. Prior to this, Mr. Gregg served as COO at Hydro One Networks, overseeing effective power distribution across Ontario. Throughout his career, he’s been recognized for his leadership abilities and in 2015 and 2016 received the Ontario Energy Association’s “Leader of the Year Award”.
Mr. Gregg currently serves on the Council of Independent System Operators and Regional Transmission Organizations, which supports sustainable and reliable electric power delivery to millions of consumers across the continent. He is on the Member Representatives Committee of the North American Electric Reliability Corporation. He also sits on the Board of Directors of the Greater Toronto Airports Authority, the Ontario Energy Network, the Canadian Electricity Association and the Electrical Safety Authority, where he chairs the Audit Committee.
Mr. Gregg received a Masters of Business Administration from the Ivey School of Business and holds the Institute of Corporate Directors ICD.D (Certified Director) designation.