What we do

The OSG facilitates access to distributed high throughput computing for research in the US. The resources accessible through the OSG are contributed by the community, organized by the OSG, and governed by the OSG consortium. In the last 12 months, we have provided more than 800 million CPU hours to researchers across a wide variety of projects. Our research highlights collection provides examples of what work is being done on OSG, and the OSG Display provides an overview of usage over time. Please read our introduction, or look here to learn more about the organization.

Resource Providers

The Open Science grid consists of computing and storage elements at over 100 individual sites spanning the United States. These sites are primarily at universities and national labs and range in size from a few hundred to tens of thousands of CPU cores. The distributed nature of these resource providers allows users from a single VO to submit their jobs at a single entry point and have them execute at whatever resource is most available. Sharing is a core principle of the OSG. Over 100 million CPU hours delivered on the OSG in the past year were utilized opportunistically, i.e., wherever there were resources available that would otherwise have remained idle. This aspect of the OSG is what allows individual researchers who might not otherwise have access to large computing resources to do so. If you represent a university computing cluster and are interested in providing computing cycles opportunistically to the OSG, contact us at user-support@opensciencegrid.org.

OSG Member

You can find helpful user information at the OSG Connectbook here, or go directly to the Grid Operation Center twiki. Please also find useful and interesting information in these blogs.


A Virtual Organization (VO) is a set of groups or individuals defined by some common cyber-infrastructure need. This can be a scientific experiment, a university campus or a distributed research effort. A VO represents all its members and their common needs in a grid environment, and major projects such as CMS and ATLAS are represented in OSG as VOs. If you are a member of such collaborations, please see the list of VOs to find your VO. If you are not already part of a VO, you can use OSG via OSGConnect. OSGConnect welcomes any researcher affiliated with US institutions and who are funded by US funding agencies! Before joining, please verify that your computation is a good fit for OSG. If you have questions, please contact user support at user-support@opensciencegrid.org. Click Get Started below to join now!

OSG News and Events

Need assistance?

Please feel free to contact us!

Get Started!