From platforms across Canada, Blake, Cassels & Graydon LLP’s multidisciplinary power practice draws on specialists in commercial, regulatory and project-related matters. Key names include projects partner Mark Johnson, who divides his time between Toronto and Ottawa and handles nuclear, renewable and conventional power projects. Also recommended for transactions are Keith Byblow (Calgary), Scott Clarke (Calgary), Sébastien Vilder (Montreal) and next-generation partner Ky Kvisle (Toronto). The national energy regulatory group is co-led by Calgary-based Terri-Lee Oleniuk, who is noted for oil and gas and power-related work, and Toronto-based counsel Reena Goyal, who joined in June 2024 from McCarthy Tétrault. Former team head Vivian Kung recently left the firm. In October 2025, Vivek Bakshi and Jamie Thomas joined the Toronto team from Dentons.
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Key clients
- Ontario Power Generation
- Algonquin Power & Utilities Corporation
- City of Port Colborne
- Green Impact Partners
- Boralex
- Renewable Generators Alliance (consists of multiple clients)
- Elemental Energy Renewables
Work highlights
Advised Algonquin Power Utilities on the $2.5bn sale of its non-regulated renewable energy business (excluding its hydro fleet) to a subsidiary of LS Power.
Advised the Renewable Generators Alliance on various matters, including on the Alberta Utilities Commission Inquiry into the development of electricity generation in Alberta.
Advised Boralex on the development, construction and financing of three battery energy storage projects, totalling over C$1bn.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Terri-Lee Oleniuk
Other key lawyers
Mark Johnson; Keith Byblow; Scott Clarke; Sébastien Vilder; Ky Kvisle; Reena Goyal