Located in Ottawa, Ontario, the CNA comprises over 100 member companies and organizations from across Canada as well as internationally.

The Chair of the Board of Directors is John MacQuarrie, President of the Nuclear Power Group segment of BWX Technologies, Inc.

Recent joint statements include: The CNA holds an annual Conference and Trade Show in Ottawa, Ontario.

Speakers included Gerald Butts, Vice Chairman, Eurasia Group; Ken Hartwick, President and CEO, Ontario Power Generation; Guy Lonechild, Chief Executive Officer, First Nations Power Authority; and Laurie Swami, President and CEO, Nuclear Waste Management Organization (Canada).

[2] In 2022, the CNA has advocated for the inclusion of nuclear power in the Green Bond Framework,[3][4] encouraged the Federal government to clarify the role of nuclear in meeting its net zero targets,[5] and promoted the role of Small modular reactors in Canada's oil and gas industry.