Solicitations › DEPT OF DEFENSE › NAICS 541715

On-orbit Nuclear Power Concepts Workshop

DEPT OF DEFENSE · Solicitation DARPA-SN-26-21 · NAICS 541715 · Unrestricted (full and open) · Closed

Solicitation details

Solicitation number	DARPA-SN-26-21
Notice ID	4bc82ea5fe8941dba8f74364147d5631
Agency	DEPT OF DEFENSE
Sub-tier	DEFENSE ADVANCED RESEARCH PROJECTS AGENCY (DARPA)
Contracting office	DEF ADVANCED RESEARCH PROJECTS AGCY
NAICS code	541715
Product / service code (PSC)	AC12
Set-aside	Unrestricted (full and open)
Notice type	Special Notice
Posted	12 January 2026
Response deadline	20 February 2026 (closed)

Description

The Defense Advanced Research Projects Agency (DARPA) Tactical Technology Office (TTO) is requesting information regarding technologies, spaceflight qualification testing, safe handling, and applications for on-orbit satellite nuclear power systems. Our focus is on producible, cost-effective nuclear reactors not bespoke designs suited for a one-time demonstration. DARPA TTO and the Department of Energy (DOE) will also hold a workshop to establish a common understanding of on-orbit nuclear power technology and challenges, facilitate community interactions and collaboration, and identify key technology risk areas that, if addressed, would enable practical implementation of on-orbit nuclear power. The workshop will be held on April 21-22, 2026 at the DARPA Conference Center (DCC), 675 N Randolph Street, Arlington, VA 22203.

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