Aird & Berlis LLP

Energy: Provincial Regulatory Department

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At Aird & Berlis, our energy regulatory lawyers have deep knowledge of the principles of public utility regulation and of the legislative and regulatory instruments that apply to Ontario’s dynamic energy sector. Our experience includes participating in a broad range of applications and proceedings before the Ontario Energy Board, including rates, facilities, licensing, code development, compliance and generic proceedings. Our lawyers also represent clients in cases before the National Energy Board.

We assist stakeholders with the development of applications and interventions and the preparation of supporting evidence. We engage and assist experts in the preparation of reports in anticipation of their appearance at proceedings before the OEB. We provide opinions in respect of the interpretation of statutes, regulations and codes, and we provide comments and submissions to the OEB in the development of new codes and proposed amendments to existing codes. Our lawyers are well known to OEB staff and counsel and, by virtue of our numerous attendances before the OEB, by Board members themselves. 

Our lawyers have appeared on many energy-related court hearings over the years, including trials and application hearings, judicial review applications, stated cases and appeals. We have extensive experience before all levels of court in these matters and have acted in these court hearings on behalf of applicants, appellants and respondents.


Cass, Fred (Head of Department)

Clark, Ken

Halinski, Tom

Nelligan, Margaret

O'Leary, Dennis

Sefton, Cynthia

Stevens, David

Stevens, David

Stoll, Scott




Articles, Highlights and Press Releases

Total 24 Articles, Highlights and Press Releases

OEB to Continue Its Responding to Distributed Energy Resources (DERs) Consultation

Devyn Noonan

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The Collingwood Judicial Inquiry: Lessons for Ontario’s Electric Utilities

Ron Clark, Stephen Crawford

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A Look Back at Our Top Energy Stories From 2020

David Stevens

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