Deirdre Sheehan

Deirdre stands at the helm of Osler's Regulatory, Indigenous, and Environmental division, showcasing a distinguished career that melds energy regulatory, environmental, and Indigenous law into a formidable expertise. Her work spans the intricate regulatory landscapes of Alberta's energy sector, offering nuanced guidance on the environmental and regulatory dimensions of diverse energy projects. Deirdre's acumen extends to navigating the procedural labyrinths of rate setting and tariff adjustments with a focus on power, electricity, and oil and gas sectors.

Her engagements often find her representing clients before the Alberta Utilities Commission, delving into the specifics of power transmission, distribution, and generation. Beyond Alberta's borders, Deirdre's prowess is recognized in proceedings across various regulatory bodies, including the Alberta Energy Regulator and the Canada Energy Regulator, ensuring her clients' projects align with stringent environmental and regulatory standards.

Deirdre's contributions to the energy sector are multifaceted, advising on an array of projects from renewable energy initiatives to conventional oil and gas operations. Her ability to steer complex projects through regulatory approvals and environmental impact assessments underlines her comprehensive understanding of provincial and federal environmental legislations.

A notable aspect of Deirdre's practice is her dedication to Indigenous law, where she champions the principles of consultation and accommodation. Her efforts are pivotal in fostering participation of Indigenous groups in large-scale energy projects, ensuring their voices and concerns are integral to the development process.

In addition to her professional endeavors, Deirdre imparts her knowledge through teaching Administrative Law at the University of Calgary, bridging the gap between academic theory and practical application. Her journey before joining Osler saw her making significant impacts as a partner at another leading national law firm, further solidifying her standing as a leading figure in her field.