# DARPA #DARPA-SS-27-01

DARPA RFI on Solid-State Direct Thermal-to-Electric Energy Conversion

**Buyer:** Defense Advanced Research Projects Agency (DARPA), Defense Sciences Office (DSO)
**Posted:** October 23, 2026
**Respond By:** November 23, 2026
**Identifier:** DARPA-SS-27-01

DARPA is seeking information on solid-state direct thermal-to-electric energy conversion technologies.
- **Government buyer:** Defense Advanced Research Projects Agency (DARPA), Defense Sciences Office.
- **Opportunity:** RFI DARPA-SS-27-01; this is a request for information, not a purchase solicitation or award.
- **Research focus:** The current state of the art and technological limitations of solid-state direct thermal-to-electric energy conversion.
- **Related topic areas:** Electronics, hardware, manufacturing, materials science, microchips, and systems.
- **OEMs and vendors:** None identified.
- **Products, services, quantities, and part numbers:** None specified; no attachments were provided.

### Description

The Defense Sciences Office (DSO) is requesting information on the current state of the art and technological limitations of solid-state direct thermal-to-electric energy conversion technologies. Research topics listed include electronics, hardware, manufacturing, materials science, microchips, and systems. The response deadline is November 23, 2026.

[View original listing](https://www.darpa.mil/work-with-us/opportunities)