# Reliable Ore Characterization with Keystone Sensing SBIR/STTR (ROCKS SBIR/STTR)

Source: https://welltoldgrants.com/grants/de-foa-0003593-reliable-ore-characterization-with-keystone-sensing-sbir/  
Official notice: https://www.grants.gov/search-results-detail/360354

> Advanced Research Projects Agency Energy offered grants of up to $4.5 million (at least $314,363) to small businesses. It expected to make $40.0 million in total. Applications closed on September 25, 2025.

| Field | Value |
|---|---|
| Opportunity number | DE-FOA-0003593 |
| Agency | Advanced Research Projects Agency Energy |
| Status | Forecast |
| Deadline | September 25, 2025 |
| Award ceiling | $4.5 million |
| Award floor | $314,363 |
| Expected awards | not stated |
| Total funding | $40.0 million |
| Cost sharing | not required |
| Assistance Listings | 81.135 |

## Who can apply

- Small businesses

## What the grant funds

NOFO Number: DE-FOA-0003593 – Reliable Ore Characterization with Keystone Sensing SBIR/STTR (ROCKS SBIR/STTR)To obtain a copy of the Notice of Funding Opportunity (NOFO) please go to ARPA-E eXCHANGE at https://arpa-e-foa.energy.gov. To apply to this NOFO, Applicants must register with and submit application materials through ARPA-E eXCHANGE (https://arpa-e-foa.energy.gov/Registration.aspx). For detailed guidance on using ARPA-E eXCHANGE, please refer to the ARPA-E eXCHANGE User Guide (https://arpa-e-foa.energy.gov/Manuals.aspx). ARPA-E will not review or consider application materials submitted through other means. For problems with ARPA-E eXCHANGE, email ExchangeHelp@hq.doe.gov (with NOFO name and number in the subject line). Questions about this NOFO? Check the Frequently Asked Questions available at http://arpa-e.energy.gov/faq. For questions that have not already been answered, email ARPA-E-CO@hq.doe.gov. 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 (P.L. 110-69), as amended by the America COMPETES Reauthorization Act of 2010 (P.L. 111-358), as further amended by the Energy Act of 2020 (P.L. 116-260): “(A) to enhance the economic and energy security of the United States through the development of energy technologies that— (i) reduce imports of energy from foreign sources; (ii) reduce energy-related emissions, including greenhouse gases; (iii) improve the energy efficiency of all economic sectors; (iv) provide transformative solutions to improve the management, clean-up, and disposal of radioactive waste and spent nuclear fuel; and (v) improve the resilience, reliability, and security of infrastructure to produce, deliver, and store energy; and (B) to ensure that the United States maintains a technological lead in developing and deploying advanced energy technologies.” 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.

## Questions people ask

### Is DE-FOA-0003593 still open?

No. It closed on September 25, 2025. A newer notice is open: DE-FOA-0003630, closes November 20, 2026 (13 days left).

### Who can apply for Reliable Ore Characterization with Keystone Sensing SBIR/STTR (ROCKS SBIR/STTR)?

Advanced Research Projects Agency Energy accepted applications from small businesses.

### What is the deadline for Reliable Ore Characterization with Keystone Sensing SBIR/STTR (ROCKS SBIR/STTR)?

Closed September 25, 2025. Applications are no longer accepted; the program's newer notices are on this page when there are any.

### How much funding is available?

Awards of up to $4.5 million each. About $40.0 million in total.

### Who has won Advanced Research Projects Agency - Energy grants before?

The largest recipients over five fiscal years were RTX Corporation, Massachusetts Institute of Technology, BWXT Advanced Technologies LLC. The program made 729 awards worth $1.4 billion in that time.