Candu Energy Inc. is a Canadian wholly owned subsidiary of Montreal-based AtkinsRéalis (formerly SNC-Lavalin Inc.), specializing in the design and supply of nuclear reactors, as well as nuclear reactor products and services.

Candu Energy Inc. was created in 2011 when parent company SNC-Lavalin purchased the commercial reactor division of Atomic Energy of Canada Limited (AECL), along with the development and marketing rights to CANDU reactor technology.

[1][2] Candu Energy Inc. is located in Mississauga, Ontario, Canada.

In 2014, Preston Swafford was hired to lead the company as its Chief Nuclear Officer, President & CEO.

Also in 2014, Candu Energy increased sharing of human resources with SNC-Lavalin.