Allocations

To request a new project, select an Opportunity below.

Opportunities

Allocation request Initial HPC limit* Supplement HPC limit Frequency Funding eligibility
Large No upper limit (subject to availability) No upper limit (subject to availability) Semi-annual panel review NSF award required
Small Derecho: 1 million core-hours
Derecho GPU: 2,500 GPU-hours 		Derecho: 1 million core-hours
Derecho GPU: 2,500 GPU-hours 		Continuous NSF award required
Exploratory & Classroom Derecho: 500,000 core-hours
Derecho GPU: 1,500 GPU-hours 		Derecho: 500,000 core-hours
Derecho GPU: 1,500 GPU-hours 		Continuous No external funding award
Data Analysis n/a (Casper only) n/a (Casper only) Continuous Any funding source
Small Allocation (University) Exploratory Allocation (University) Data Analysis Allocation (University) Classroom Allocation (University) NCAR External Projects Large Allocation (University) - Spring 2026 NCAR - NSC Allocation Request - Spring 2026
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This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.