This Solicitation opportunity from Department Of Energy was posted on July 7, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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High-performance Optimized Recycled Nuclear Isotopes for Gen IV reactors (HORNIG)

Closed

DE-FOA-0003623Federal

Submission Closed08/06/2026, 01:30:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541715

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AI Contract Overview

The High-performance Optimized Recycled Nuclear Isotopes for Gen IV reactors (HORNIG) program, identified by solicitation number DE-FOA-0003623, is a funding opportunity issued by ARPA-E within the Department of Energy to advance transformative technologies that enable the production and utilization of recycled nuclear isotopes for next-generation reactor systems. This modification revises key operational timelines, including deadlines for submitting questions and full applications, ensuring clarity and structure for applicants. The program targets high-risk, high-reward research aimed at bridging scientific discovery with early-stage technological development, focusing on innovations that cannot be adequately pursued through traditional industry or DOE applied research channels. Funding is governed under 2 C.F.R. Part 200 as supplemented by 2 C.F.R. Part 910, and proposals must align with ARPA-E’s mandate to catalyze breakthroughs in energy and environmental technologies through modest, time-bound investments. The solicitation is open to federal entities and carries no set-aside designations, with a firm application deadline of August 6, 2026 at 1:30 p.m. Eastern Time. Applications must be submitted through the FedConnect portal, and all awarded projects are subject to ARPA-E’s oversight and reporting requirements under its statutory authority derived from the America COMPETES Act and the Energy Act of 2020. The program emphasizes the development of novel methods to recover, purify, and optimize nuclear isotopes from existing nuclear materials, with the goal of enhancing the efficiency, safety, and sustainability of Generation IV reactors. Proposals are expected to demonstrate clear pathways to transformative impact, distinct from incremental improvements, and must align with ARPA-E’s mission of accelerating technologies with potential for substantial national energy benefit.

General Info

HORNIG program funds breakthrough recycling of nuclear isotopes for Gen IV reactors, deadline August 6, 2026, via FedConnect.

Agency

Department Of Energy → Advanced Rsrch Proj Agency ARPA-E

NAICS

541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Place of Performance

Not specified

Set-Aside

NONE

Documents

Notice of Funding Opportunity DE-FOA-0003623 HORNIG ARPA-E DOE

nofo

High

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedJul 7

Solicitation

Response DeadlineAug 6

Deadline has passed

Submission Closed

08/06/2026, 01:30:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Energy → Advanced Rsrch Proj Agency ARPA-E

ContactsNo contacts available

OfficeWashington, DC, 20585, USA

Organization / AgencyDepartment Of Energy → Advanced Rsrch Proj Agency ARPA-E

Office AddressWashington, DC, 20585, USA

ContactsNo contact information available

Full Description

This is Modification 01 to the NOFO: • Inserted certain deadlines and updated dates, including the deadlines for submitting questions and Full Applications (Basic Information, Section IV.C). NOFO Number: DE-FOA-0003623 – High-performance Optimized Recycled Nuclear Isotopes for Gen IV reactors (HORNIG) Agency Overview: The Advanced Research Projects Agency—Energy (ARPA-E), an organization within the Department of Energy (DOE), is chartered by Congress in the America COMPETES Act of 2007 (Public Law 110–69), as amended by the America COMPETES Reauthorization Act of 2010 (Public Law 111–358), as further amended by the Energy Act of 2020 (Public Law 116–260). ARPA-E issues this Notice of Funding Opportunity (NOFO) under its authorizing statute codified at 42 U.S.C. § 16538. The NOFO and any cooperative agreements or grants made under this NOFO are subject to 2 C.F.R. Part 200 as supplemented by 2 C.F.R. Part 910. ARPA-E funds research on, and the development of, transformative science and technology solutions to address the energy and environmental missions of the Department. The agency focuses on technologies that can be meaningfully advanced with a modest investment over a defined period of time in order to catalyze the translation from scientific discovery into early-stage technology. For the latest news and information about ARPA-E, its programs and the research projects currently supported, see: http://arpa-e.energy.gov/. ARPA-E funds transformational research. Existing energy technologies generally progress on established “learning curves” where refinements to a technology and the economies of scale that accrue as manufacturing and distribution develop drive improvements to the cost/performance metric in a gradual fashion. This continual improvement of a technology is important to its increased commercial deployment and is appropriately the focus of the private sector or the applied technology offices within DOE. In contrast, ARPA-E