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Stimulate Utilization of Plentiful Energy in Rocks through High‑temperature Original Technologies SBIR/STTR (SUPERHOT SBIR/STTR) is sponsored by U.S. Department of Energy (ARPA‑E). This opportunity supports mission-aligned projects and measurable outcomes.
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Opportunity Listing - Stimulate Utilization of Plentiful Energy in Rocks through High-temperature Original Technologies SBIR/STTR (SUPERHOT SBIR/STTR) Stimulate Utilization of Plentiful Energy in Rocks through High-temperature Original Technologies SBIR/STTR (SUPERHOT SBIR/STTR) Agency: Advanced Research Projects Agency Energy Assistance Listings: 81.
135 -- Advanced Research Projects Agency - Energy Last Updated: February 6, 2026 View version history on Grants. gov This is Modification 03 to the NOFO: • Removed indirect cost cap at 15% of Total Project Costs (Section I. H.
16) DE-FOA-0003557: Stimulate Utilization of Plentiful Energy in Rocks through High-temperature Original Technologies SBIR/STTR (SUPERHOT 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. 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. 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 to 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 supports transformative research that has the potential to create fundamentally new learning curves. ARPA-E technology projects typically start with cost/performance estimates well above the level of an incumbent technology.
Given the high risk inherent in these projects, many will fail to progress, but some may succeed in generating a new learning curve with a projected cost/performance metric that is significantly better than that of the incumbent technology. ARPA-E will provide support at the highest funding level only for submissions with significant technology risk, aggressive timetables, and careful management and mitigation of the associated risks.
ARPA-E funds technology with the potential to be disruptive in the marketplace. The mere creation of a new learning curve does not ensure market penetration. Rather, the ultimate value of a technology is determined by the marketplace, and impactful technologies ultimately become disruptive – that is, they are widely adopted and displace existing technologies from the marketplace or create entirely new markets.
ARPA-E understands that definitive proof of market disruption takes time, particularly for energy technologies. Therefore, ARPA-E funds the development of technologies that, if technically successful, have clear disruptive potential, e.g., by demonstrating capability for manufacturing at competitive cost and deployment at scale. ARPA-E funds applied research and development (R&D).
The Office of Management and Budget defines “applied research” as an “original investigation undertaken in order to acquire new knowledge…directed primarily towards a specific practical aim or objective” and defines “experimental development” as “creative and systematic work, drawing on knowledge gained from research and practical experience, which is directed at producing new products or processes or improving existing products or processes.
” ARPA-E encourages submissions stemming from ideas that still require proof-of-concept R&D efforts as well as those for which some proof-of-concept demonstration already exists. Submissions can propose a project with the end deliverable being an extremely creative, but partial solution.
The Stimulate Utilization of Plentiful Energy in Rocks through High-temperature Original Technologies (SUPERHOT) program aims to boost baseload power supply by enabling future power production from superhot geothermal resources, defined as temperatures greater than 375 °C and pressures greater than 22 megapascals (MPa).
As the demand for power in the U.S. increases, driven by the rise in data centers and increasing electrification, superhot geothermal power can play an important role in addressing this critical need. The amount of energy in the Earth’s subsurface is immense, with estimates of at least 15,000 gigawatts (GW) of producible electricity from depths of at most 10 kilometers (km) within the U.S. alone.
Unfortunately, access to this resource has been constrained by the limited extent of natural hydrothermal systems, which currently only provide about 4 GW of utility-scale power. Expansion beyond natural hydrothermal systems is now possible by recent advances in Enhanced Geothermal Systems (EGS) and in Advanced Geothermal Systems (AGS), which essentially create artificial geothermal reservoirs.
The combination of highly productive superhot wells with the expanded geographic availability provided by EGS or AGS technology can accelerate the widespread development of gigawatt-scale geothermal facilities across much of the U.S., with the possibility of 10-20 GW of baseload power with a levelized cost of electricity (LCOE) less than $30 per megawatt hour (MWh) by 2040.
The goal of the SUPERHOT program is to support research and development of new technologies to enable scalable superhot geothermal by addressing the major technical challenges affecting geothermal well life and the ability to harvest subsurface energy effectively. Consequently, the focus is on the following subject areas: 1) robust well construction, and 2) transfer of heat from the surrounding geologic formation to the well.
To view the NOFO in its entirety, please visit https://arpa-e-foa. energy. gov. Grantor contact information File name Description Last updated SUPERHOT_SBIR_STTR_CP_NOFO_-_modification_01.
pdf NOFO_DE_FOA_0003557_SUPERHOT SBIR STTR_Modification 01 (SUPERHOT SBIR STTR CP NOFO - modification 01 Feb 10, 2025 02:04 PM UTC SUPERHOT_SBIR_STTR_CP_NOFO. pdf NOFO_DE-FOA-0003557_SUPERHOT SBIR STTR Jan 16, 2025 03:17 PM UTC NOFO_DE-FOA-0003557_SUPERHOT_SBIR_STTR_Modification_02. pdf NOFO_DE-FOA-0003557_SUPERHOT SBIR STTR_Modification 02 Jan 28, 2026 09:55 PM UTC SUPERHOT_SBIR_STTR_CP_FA_NOFO_DE-FOA-0003557_-_Mod_03.
pdf NOFO_DE-FOA-0003557_SUPERHOT SBIR STTR_Modification 03 Link to additional information Funding opportunity number : Cost sharing or matching requirement : Funding instrument type : Opportunity Category Explanation : Category of Funding Activity : Opportunity zone benefits Science technology and other research and development
According to the current listing, eligibility includes: Small businesses (SBIR/STTR). Confirm the full requirements in the official notice before applying.
Stimulate Utilization of Plentiful Energy in Rocks through High‑temperature Original Technologies SBIR/STTR (SUPERHOT SBIR/STTR) is funded by U.S. Department of Energy (ARPA‑E). Verify program details on the funder's official page before applying.
Yes — this listing is flagged as national in scope, so applicants across the U.S. may apply, subject to the sponsor's other eligibility criteria.
Applications go through the funder's official portal — the Apply Now link on this page goes there directly.
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