Opportunity Information: Apply for DE FOA 0000842

  • The Golden Field Office in the energy sector is offering a public funding opportunity titled "Integrated Enhanced Geothermal Systems (EGS) Research and Development" and is now available to receive applicants.
  • Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 81.087 Renewable Energy Research and Development.
  • This funding opportunity was created on Feb 21, 2014 and posted on Feb 21, 2014.
  • Applicants must submit their applications by Apr 30, 2014. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
  • Eligible applicants include: Individuals For profit organizations other than small businesses Nonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher education Independent school districts Small businesses State governments Native American tribal organizations (other than Federally recognized tribal governments) Public and State controlled institutions of higher education City or township governments Native American tribal governments (Federally recognized) Private institutions of higher education County governments Special district governments Public housing authorities/Indian housing authorities Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education.
Apply for DE FOA 0000842

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Opportunity Summary:

The Integrated Enhanced Geothermal Systems (EGS) Research and Development funding opportunity (DE-FOA-0000842) is a U.S. Department of Energy Geothermal Technologies Office (GTO) solicitation focused on improving how EGS reservoirs are characterized and understood below ground. The central theme is integrated subsurface characterization: bringing multiple tools, datasets, and methods together in a coordinated way to better describe reservoir complexity, reduce uncertainty in key reservoir properties, and improve confidence in predictions of reservoir behavior. Rather than supporting isolated measurements or single-technique studies, the FOA emphasizes combining technologies to close gaps between what can be measured directly in the field and what must be inferred through models and interpretation.

A major objective is to increase the precision and accuracy of directly measured subsurface parameters, and then use those improved measurements to better constrain calculated or inferred properties. In practical terms, this means projects should strengthen the link between measurements (for example, from well logs, tracers, geophysics, microseismic monitoring, core analyses, or flow tests) and the reservoir characteristics engineers need for design and forecasting. The FOA highlights several critical parameters of interest, including matrix-to-fracture heat transfer area (important for estimating how effectively heat moves from rock into circulating fluids), fluid mean residence time (which influences heat extraction efficiency and thermal drawdown), in situ stresses (key for understanding fracture initiation and growth), fracture spacing, fracture aperture distributions (strongly affecting permeability and flow pathways), porosity, and overall reservoir volume. The common thread among these parameters is that they drive EGS performance, yet are difficult to quantify reliably in heterogeneous fractured rock systems; the FOA is seeking R&D that makes those quantities more defensible and less uncertain.

In addition to characterization, the opportunity is also aimed at building a better understanding of the physicochemical conditions that control EGS creation and performance. This includes conditions relevant to subsurface engineering and stimulation methods, such as how rock mechanics, natural fracture networks, temperature, pressure, fluid chemistry, mineral reactions, and stress evolution interact during and after stimulation. Projects are expected to support improved stimulation design and reservoir engineering decisions by clarifying how these coupled processes influence permeability creation, connectivity between wells, heat transfer, and the risk factors that accompany stimulation and circulation. A related priority is long-term reservoir evolution and sustainability: applicants are encouraged to address how reservoirs change during extended operations, how performance may degrade or stabilize over time, and what monitoring and interpretation strategies can detect and explain those changes early enough to inform operational adjustments.

Administratively, this was a discretionary funding opportunity under the Energy category (CFDA 81.087 Renewable Energy Research and Development) administered by DOE's Golden Field Office. The funding instruments listed include cooperative agreements, grants, and other mechanisms, and the FOA required cost sharing or matching, meaning awardees would need to contribute a portion of project costs from non-federal sources according to DOE requirements. The opportunity was posted on February 21, 2014, with an original and final closing date of April 30, 2014, and it was archived on July 30, 2014. The public listing shows estimated total funding and award floor/ceiling as 0, which typically indicates the public synopsis did not specify amounts in that field and that applicants needed to refer to the full FOA text for budget guidance and anticipated award sizes.

Eligibility was broad and included individuals, small businesses, other for-profit organizations, nonprofits (including 501(c)(3) and non-501(c)(3) entities), public and private institutions of higher education, independent school districts, and a range of government entities (state, county, city/township, special districts, and public housing authorities), as well as Native American tribal governments and other tribal organizations. Additional details and the full announcement were hosted through the EERE Exchange portal (https://eere-exchange.energy.gov/). For access issues, the point of contact listed was Ryan N. McCleary (EGSinfo@go.doe.gov), and that same contact channel was provided for questions related to the FOA content.

Integrated Enhanced Geothermal Systems (EGS) Research and Development (DE-FOA-0000842) - FAQs

1. What is this funding opportunity?

This opportunity is the U.S. Department of Energy (DOE) Geothermal Technologies Office (GTO) solicitation titled "Integrated Enhanced Geothermal Systems (EGS) Research and Development" (DE-FOA-0000842). It focuses on research and development to improve how EGS reservoirs are characterized and understood below ground.

2. What is the central technical theme of the FOA?

The central theme is integrated subsurface characterization. The FOA emphasizes bringing multiple tools, datasets, and methods together in a coordinated way to better describe reservoir complexity, reduce uncertainty in key reservoir properties, and improve confidence in predictions of reservoir behavior.

3. What does "integrated subsurface characterization" mean in practice?

In practice, it means projects should connect and combine measurements and interpretation methods rather than treating them as separate efforts. The FOA is aimed at closing the gap between what can be measured directly in the field and what must be inferred through models and interpretation.

4. Does the FOA support single-technique studies or isolated measurements?

The FOA deemphasizes isolated measurements or single-technique studies. It highlights combining technologies and datasets so that multiple lines of evidence work together to reduce uncertainty in critical reservoir parameters.

5. What is the main measurement objective for applicants?

A major objective is to increase the precision and accuracy of directly measured subsurface parameters and then use those improved measurements to better constrain calculated or inferred reservoir properties.

6. What types of measurements and data sources are mentioned as examples?

Examples mentioned include well logs, tracers, geophysics, microseismic monitoring, core analyses, and flow tests. These are presented as representative inputs that can be integrated to better characterize EGS reservoirs.

7. What reservoir parameters does the FOA highlight as especially important?

The FOA highlights several parameters of interest, including matrix-to-fracture heat transfer area, fluid mean residence time, in situ stresses, fracture spacing, fracture aperture distributions, porosity, and overall reservoir volume.

8. Why is matrix-to-fracture heat transfer area important?

It is important for estimating how effectively heat moves from rock into circulating fluids. Improving confidence in this parameter supports better predictions of heat extraction performance.

9. Why does the FOA care about fluid mean residence time?

Fluid mean residence time influences heat extraction efficiency and thermal drawdown. Better quantification helps improve performance forecasting and reservoir engineering decisions.

10. Why are in situ stresses a priority parameter?

In situ stresses are key for understanding fracture initiation and growth. Since EGS stimulation and fracture development depend strongly on the stress state, improved stress characterization reduces uncertainty in stimulation outcomes.

11. Why does the FOA focus on fracture spacing and fracture aperture distributions?

Fracture spacing and fracture aperture distributions strongly affect permeability and flow pathways in fractured rock. Better defensibility in these estimates supports improved predictions of connectivity, circulation behavior, and thermal performance.

12. What is the broader technical problem the FOA is trying to solve?

The FOA targets the fact that many EGS performance-driving properties are difficult to quantify reliably in heterogeneous fractured rock systems. It seeks R&D that makes these quantities more defensible and less uncertain through integrated approaches.

13. Is the FOA only about characterization, or does it include reservoir behavior and performance?

It includes both. Beyond characterization, it is aimed at building better understanding of the physicochemical conditions that control EGS creation and performance, and improving confidence in predictions of reservoir behavior.

14. What kinds of physicochemical conditions does the FOA mention?

The FOA mentions conditions relevant to subsurface engineering and stimulation methods, including interactions among rock mechanics, natural fracture networks, temperature, pressure, fluid chemistry, mineral reactions, and stress evolution during and after stimulation.

15. How does the FOA relate to stimulation design and reservoir engineering?

Projects are expected to support improved stimulation design and reservoir engineering decisions by clarifying how coupled subsurface processes influence permeability creation, connectivity between wells, heat transfer, and risk factors during stimulation and circulation.

16. Does the FOA address long-term EGS reservoir sustainability?

Yes. A related priority is long-term reservoir evolution and sustainability, including how reservoirs change during extended operations, how performance may degrade or stabilize over time, and what monitoring and interpretation strategies can detect and explain those changes early enough to inform operational adjustments.

17. What category and CFDA is associated with this opportunity?

The listing describes it as a discretionary funding opportunity under the Energy category and associates it with CFDA 81.087 (Renewable Energy Research and Development).

18. Which DOE office administered this solicitation?

It was administered by DOE's Golden Field Office.

19. What funding instruments were listed for this FOA?

The instruments listed include cooperative agreements, grants, and other mechanisms.

20. Was cost sharing or matching required?

Yes. The FOA required cost sharing or matching, meaning awardees would need to contribute a portion of project costs from non-federal sources according to DOE requirements.

21. When was the opportunity posted and when did it close?

The opportunity was posted on February 21, 2014. The original and final closing date was April 30, 2014.

22. Is this opportunity still open?

No. The listing indicates it was archived on July 30, 2014.

23. Why does the public listing show estimated funding and award amounts as 0?

The public listing shows estimated total funding and award floor/ceiling as 0, which typically indicates the public synopsis did not specify amounts in those fields and that applicants needed to refer to the full FOA text for budget guidance and anticipated award sizes.

24. Who was eligible to apply?

Eligibility was broad and included individuals, small businesses, other for-profit organizations, nonprofits (including 501(c)(3) and non-501(c)(3) entities), public and private institutions of higher education, independent school districts, and government entities (state, county, city/township, special districts, and public housing authorities), as well as Native American tribal governments and other tribal organizations.

25. Where was the full announcement hosted?

Additional details and the full announcement were hosted through the EERE Exchange portal at https://eere-exchange.energy.gov/.

26. Who was the point of contact for questions or access issues?

The point of contact listed was Ryan N. McCleary, using the email EGSinfo@go.doe.gov. That same contact channel was provided for questions related to the FOA content and for access issues.

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