Pacific Northwest National Laboratory, National research laboratory in Richland, Washington, United States.

The Pacific Northwest National Laboratory is a research facility in Richland focused on energy sciences, environmental research, and national security. The site contains specialized centers for molecular sciences, computational research, and biological studies.

The laboratory was established in 1965 as part of the Department of Energy network, growing out of nuclear research operations at the nearby Hanford Site. It has since become a leading center for scientific research in the region.

Scientists from around the world work together here to solve pressing problems in energy and the environment. You can see this international collaboration reflected in the projects and partnerships that happen across the facilities every day.

The main campus sits in Richland, Washington, with satellite offices in Seattle, Portland, College Park and Washington, D.C. PNNL-Sequim, the DOE's only marine laboratory, keeps a 28-foot research vessel. The site is a working federal laboratory, so access is arranged in advance rather than by walking in.

The laboratory has been operated by Ohio-based Battelle since 1965, when the Atomic Energy Commission awarded it the Hanford laboratory contract after General Electric ended its contract in 1963. The sign at the site names Battelle as operator.