The Network

A Nationwide Platform for Scientific Breakthroughs

The Energy Sciences Network (ESnet) is a high-performance, unclassified national network built to support scientific research. Funded by the U.S. Department of Energy’s Office of Science (SC) and managed by Lawrence Berkeley National Laboratory, ESnet provides services to more than 50 DOE research sites, including the entire National Laboratory system, its supercomputing and other user facilities, and major scientific instruments. ESnet also peers with more than 270 research and commercial networks, permitting DOE-funded scientists to productively collaborate with partners around the world.

ESnet6 as of March 2026. (Download high-res image)

Network Maps

Current and past maps tracing ESnet's networks to laboratories across the United States. Read More

Network Facts and Stats

Between Data and Discovery, There is a Network ESnet is the Department of Energy’s dedicated science network, helping researchers meet their goals from experiment to discovery. 5,000 Times Faster than a Home Network ESnet is the world’s fastest… Read More

Connected Sites

ESnet directly supports the research of tens of thousands of Department of Energy scientists at over 50 national laboratories, user facilities, and other scientific instruments, as well as connects them to more than 270 other research and education (R&E) and commercial networks worldwide. Read More

Peering Connections