Sean O'Neill

Seán O’Neill stands as a distinguished partner at McCarthy Tétrault's Real Property & Planning Group in Toronto, bringing a wealth of knowledge and strategic insight to the power and energy sector. His leadership as the Industry Group Leader of the National Power Group is marked by a profound understanding of the intricacies involved in energy assets, including renewable, conventional, and nuclear power generation, as well as electricity transmission and distribution systems.

Seán's legal prowess extends to guiding financial institutions and borrowers through the financial intricacies of energy projects across North America. His expertise in structuring joint ventures and negotiating critical commercial agreements, such as power purchase arrangements and energy services contracts, has made him an invaluable asset to clients navigating the energy procurement landscape in Canada.

His background includes advising on some of the most significant energy transactions, from the acquisition of hydroelectric facilities in Ontario to advising developers of cutting-edge nuclear reactor projects and green hydrogen initiatives. Seán's role in facilitating the acquisition of a significant stake in a Canadian hydropower portfolio and structuring energy agreements for major industrial facilities highlights his capacity to handle complex energy projects with strategic finesse.

Before his tenure at McCarthy Tétrault, Seán's experience encompassed senior government roles, providing him with unique insights into the public sector's approach to infrastructure development. This experience has been instrumental in his advisory work on major government projects, including Ontario's Transit-Oriented Communities program and the development of innovative energy solutions.

Internationally, Seán's work has spanned across continents, advising on infrastructure projects in the UK, Asia, and the Middle East. His involvement in the development and financing of landmark offshore wind projects in the UK and his work on solar and wind energy projects in Ontario demonstrate his global perspective on energy development.

Seán's commitment to the infrastructure sector is further evidenced by his efforts to share knowledge and insights through seminars and teaching modules on infrastructure development. His leadership in the industry is recognized by his role as Chair of the National Awards Committee of the Canadian Council for Public-Private Partnerships and his appointment to the Ontario Portable Benefits Advisory Panel.

Educated at the University of Toronto and holding a B.Comm. from the University of Alberta, Seán's academic background complements his extensive professional experience. Recognized by Chambers Global, The Legal 500, and Best Lawyers in Canada among others, Seán's contributions to the field of energy law have not gone unnoticed.

For businesses and government entities looking for a guide through the complexities of the energy sector, Seán O’Neill's strategic vision, comprehensive expertise, and dedicated service offer a path to success.