Construction Updates
July 2026
Horizon Construction Gallery
Phase 1 construction of Horizon's GPU racks is nearly complete, and early users are already accessing the system. The official early user period will begin in late summer 2026, and Phase 2 construction of the CPU portion of the system will later this year.
March 2026
New LCCF Datacenter Nears Completion
The first step in the construction of the National Science Foundation’s Leadership Class Computing Facility is to give the system a new home!
March 2026
Installation of NSF LCCF Horizon Supercomputer is Underway
With the new datacenter’s interior buildout nearing completion, the first components of the Horizon supercomputer have been delivered and construction has begun!
March 2026
Proposals for Allocations on NSF LCCF Horizon to begin April 15, 2026
The NSF Leadership Class Computing Facility will begin accepting allocations for Early Operations of the GPU portion of Horizon on April 15, 2026.