Program Title:
Cyberinfrastructure for Sustained Scientific Innovation (CSSI)
Synopsis of Program:
The Cyberinfrastructure for Sustained Scientific Innovation (CSSI) program seeks to enable funding opportunities that are flexible and responsive to the evolving and emerging needs in cyberinfrastructure (CI). The program continues to emphasize integrated CI services, quantitative metrics with targets for delivery and usage of these services, and community creation.
The CSSI program anticipates three classes of awards:
- Elements: These awards target small groups that will create and deploy robust services for which there is a demonstrated need, and that will advance one or more significant areas of science and engineering.
- Framework Implementations: These awards target larger, interdisciplinary teams organized around the development and application of services aimed at solving common research problems faced by NSF researchers in one or more areas of science and engineering, and resulting in a sustainable community framework providing CI services to a diverse community or communities.
- Transition to Sustainability: These awards target groups who would like to execute a well-defined sustainability plan for existing CI with demonstrated impact in one or more areas of science and engineering supported by NSF. The sustainability plan should enable new avenues of support for the long-term sustained impact of the CI.
NSF support for projects funded via CSSI Elements and Frameworks awards, or its predecessor programs, is intended to be of finite duration, limited to no more than 10 years. If appropriate for transition to sustainability, teams may request further one-time support through the "Transition to Sustainability" class of awards.
Prospective Principal Investigators (PIs) should be aware that this is a multi-directorate activity and that they are encouraged to submit proposals with broad, interdisciplinary interests. Further, not all divisions are participating at the same level, and division-specific priorities differ. Prospective PIs should also refer to the directorate/division-specific descriptions contained in Section II of this solicitation.
Finally, it is strongly recommended that prospective PIs contact program officer(s) from the list of Cognizant Program Officers in the division(s) that typically support the scientists and engineers who would make use of the proposed work, to gain insight into the priorities for the relevant areas of science and engineering to which their proposals should be responsive. As part of contacting Cognizant Program Officers, prospective PIs are also encouraged to ascertain that the focus and budget of their proposed work are appropriate for this solicitation.
Award Information
Anticipated Type of Award: Standard Grant or Continuing Grant
Estimated Number of Awards: 35
The number of awards of each type will be determined by separate review processes and will be based on quality of proposals, availability of funds, and responsiveness to priorities of the participating directorates/divisions.
Up to 20 Elements awards, up to 10 Framework Implementations awards, and up to 5 Transition to Sustainability awards are anticipated, subject to the availability of funds and quality of proposals received.
Anticipated Funding Amount: $34,000,000
Estimated program budget, number of awards, and average award size/duration are subject to the availability of funds.
Up to $10,000,000 is expected to be available for Elements awards, up to $20,000,000 is expected to be available for Framework Implementations awards, and up to $4,000,000 is expected to be available for the Transition to Sustainability awards, all subject to the availability of funds.
Who May Submit Proposals:
Proposals may only be submitted by the following:
- Institutions of Higher Education (IHEs) - Two- and four-year IHEs (including community colleges) accredited in, and having a campus located in the US, acting on behalf of their faculty members. Special Instructions for International Branch Campuses of US IHEs: If the proposal includes funding to be provided to an international branch campus of a US institution of higher education (including through use of sub-awards and consultant arrangements), the proposer must explain the benefit(s) to the project of performance at the international branch campus, and justify why the project activities cannot be performed at the US campus.
- Non-profit, non-academic organizations: Independent museums, observatories, research laboratories, professional societies and similar organizations located in the U.S. that are directly associated with educational or research activities.
- NSF-sponsored federally funded research and development centers (FFRDCs) may apply, provided that they are not including costs for which federal funds have already been awarded or are expected to be awarded.
Who May Serve as PI:
There are no restrictions or limits.
Limit on Number of Proposals per Organization:
There are no restrictions or limits.
Limit on Number of Proposals per PI or co-PI: 1
An individual may participate as PI, co-PI, or other Senior Personnel on at most one proposal across the Elements, Framework Implementations, and Transition to Sustainability classes for this solicitation. Thus, if an individual participates on an Elements proposal, the individual may not participate on a Framework Implementations or Transition to Sustainability proposal, and vice-versa. Note that any individual whose biographical sketch is provided as part of the proposal will be considered as Senior Personnel in the proposed activity, with or without financial support from the project.
In the event that any individual exceeds this limit, any proposal submitted to this solicitation with this individual listed as PI, co-PI, or Senior Personnel after the first proposal is received at NSF will be returned without review. No exceptions will be made. For this purpose, a multi-organization collaborative project is treated as one proposal that is considered submitted when the last component proposal is submitted.
Sponsor Institute/Organizations: U.S. National Science Foundation (NSF)
Sponsor Type: Government/Federal
Address: 2415 Eisenhower Ave Alexandria, VA 22314 (703) 292-5111
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Dec 01, 2025
Dec 01, 2025
$34,000,000
35 awards available.
Affiliation: U.S. National Science Foundation (NSF)
Address: 2415 Eisenhower Ave Alexandria, VA 22314 (703) 292-5111
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