Solving Big Problems

Oak Ridge National Laboratory is the world’s premier research institution, empowering leaders and teams to pursue breakthroughs in an environment marked by operational excellence and engagement with the communities where we live and work.



Our People Are
Our Greatest Strength

More than 5,800 scientists, engineers, technicians, and support staff representing more than 60 nations form a dynamic culture of innovation at Oak Ridge National Laboratory. Our focus on community, collaboration, and the environment shapes who we are and is integral to our success.


Leading the Way

Our Mission

As the US Department of Energy’s largest multi-disciplinary laboratory, we apply a remarkable portfolio of scientific and technological expertise and world-class facilities to develop solutions for the complex challenges facing our nation. These challenges include adapting to and mitigating the impacts of climate change, improving human health, and enhancing US competitiveness by encouraging innovation.

Explore Science Areas

We play a pivotal role in building a clean, efficient, flexible, and secure energy future. Our scientists work with many of America’s best innovators and businesses to research, develop, and deploy cutting-edge technologies and to break down market barriers in sustainable transportation, smart power systems, and energy efficiency for homes, buildings, and manufacturing.

Explore Energy Research

ORNL advances the science behind national security. We secure critical assets to keep our national infrastructure running and our people safe. Our work protects nuclear materials to enable their secure, peaceful use for energy production, medical applications, and scientific discovery around the world. We advance human security to strengthen community resilience and save lives in times of disaster and crisis.

Explore Security Science

Join the Team.
Change the World.

Leveraging the talents of its world-class researchers and exceptional support staff, Oak Ridge National Laboratory is helping solve critical scientific and technical challenges and, in so doing, creating economic opportunity for the nation. ORNL provides access to unique facilities, laboratories, and equipment, drawing thousands of visiting researchers each year. A vibrant and welcoming scientific community, ORNL embraces the pursuit of innovative ideas and invests in its people to ensure their success.

Explore Careers at ORNL

Our Voices

Partner With Us.

Collaborations are critical to modern science and engineering, and Oak Ridge National Laboratory engages in various types of collaborations with a range of organizations.

From private industry, to academia, to state and local governments, various types of organizations tap into ORNL’s rare expertise and resources.

Learn More About PartnershipsUser Facilities

Our Stories

Sixth cohort of energy entrepreneurs to begin Innovation Crossroads

Laboratory Director Thomas Zacharia announces retirement

Nell Barber uses psychology to teach machines facial recognition

Creativity fuels solid state battery research

Researchers demonstrate sensor for split-second propane leak detection

Ozpineci selected for international Nagamori Award

Melanie Mayes studies climate impacts across ecosystems, cities

Cancer trigger could spur targeted drug therapies

“One of the privileges we have as a national lab is that we have the ability to move the entire laboratory, each of our institutions, to tackle these big, difficult, and hard problems of transitioning the society to a different mode of energy production, consumption, and distribution.”

Thomas ZachariaLaboratory Director

Facts & Stats

Nationalities represented in the workforce
Patents issued since 2005
Scientific publications per year
Learn more about ORNL

Oak Ridge National Laboratory
1 Bethel Valley Road
Oak Ridge, TN 37830

(+1) 865.576.7658