AECB Atomic Energy Control Board (Canada), now called the Canadian Nuclear Safety Commission (CNSC), is responsible for setting criteria for safe practices and for licensing of all nuclear facilities in Canada.

AECL Atomic Energy of Canada Ltd. is a Crown corporation responsible for many aspects of nuclear research in Canada, including the design of CANDU reactors and development of plans for disposal of nuclear fuel waste.

CANDU Canada deuterium uranium (reactor)

CEAA Canadian Environmental Assessment Agency

CNA Canadian Nuclear Association

CNF Canadian Neutron Facility

CNSC Canadian Nuclear Safety Commission (Renamed successor to AECB)

COG Candu Owners Group

EARP Environmental assessment and review process

HEU Highly enriched uranium

IMO Independent Market Operator

LLRWMO Low-Level Radioactive Waste Management Office

LWR Light water reactor

NEA Nuclear Energy Agency, based in Paris, is an agency of OECD (the Organization for Economic Cooperation and Development) with the objective of promoting the safe development of nuclear power for peaceful purposes.

NRC National Research Council of Canada

NRCan National Resources Canada

NRU Nuclear reactor universal

NRX Nuclear reactor x-perimental

NUG Non-utility regenerator

NWMO Nuclear Waste Management Organization

OEB Ontario Energy Board

OHSC Ontario Hydro Services Company

OPG Ontario Power Generation Inc.

RWMC Radioactive Waste Management Committee, is a Committee of the Nuclear Energy Agency (NEA) with the objectives of helping member countries manage their nuclear wastes safely.