# Canadian Nuclear Laboratories

Canadian Nuclear Laboratories is an other based in Chalk River, Canada.

## Overview

- **Organization type:** other
- **Headquarters:** Chalk River, Canada
- **Region:** North America
- **Address:** Chalk River, Ontario, Canada
- **Founded:** 2014
- **Assets under management:** Undisclosed
- **Website:** www.cnl.ca
- **LinkedIn:** https://www.linkedin.com/company/canadian-nuclear-laboratories

## Regulatory record

- **Reports private funds:** No

## About

We invite you to learn more about the clean energy, environmental protection, and health sciences work of CNL, Canada's premier nuclear science organization.

## Sectors

- Energy Transition & Renewables
- Cybersecurity
- Healthcare Services
- Environmental Services

## Offices

- Fredericton, New Brunswick
- Mississauga, Ontario
- Montreal, Quebec

## People

- Dennis Carr — President & CEO

## Questions

### What is CNL's relationship with Atomic Energy of Canada Limited?

CNL is a wholly-owned subsidiary of AECL, operating under a government-owned, contractor-operated (GoCo) model. AECL owns the nuclear sites and liabilities while CNL manages and operates the laboratories day-to-day. AECL sets strategic direction and oversees the contract; CNL executes the mandate.

### What is CNL's role in small modular reactor development?

CNL launched its SMR program in 2017 with a goal to site a demonstration unit at one of its managed campuses before 2030. The Chalk River Laboratories serve as a global hub for SMR vendors to test and validate designs. The program supports Canada's broader nuclear energy strategy by providing research facilities and regulatory-pathway expertise.

### What medical isotope work does CNL do?

CNL launched a program in 2019 to advance production and understanding of actinium-225, a rare isotope used in targeted alpha therapy for cancer. The organization has a decades-long history in medical isotope production, dating to AECL's production of Cobalt-60 in 1952, which was first used for cancer treatment by teams in London, Ontario and Saskatoon, Saskatchewan.

### Where are CNL's facilities located?

CNL's primary campus is the Chalk River Laboratories in Ontario, which contains more than 50 unique facilities including several licensed nuclear reactors. Additional sites include Whiteshell Laboratories in Manitoba and offices in Fredericton, New Brunswick; Mississauga, Ontario; and Montreal, Quebec. The Douglas Point reactor site on the Bruce Peninsula is an active decommissioning project.

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Last updated: 2026-06-03T20:00:00.000Z

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