Opportunity Information: Apply for DE FOA 0000471

  • The Headquarters in the science and technology and other research and development sector is offering a public funding opportunity titled "High Energy Advanced Thermal Storage (HEATS)" and is now available to receive applicants.
  • Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 81.135 Advanced Research Projects Agency Energy.
  • This funding opportunity was created on Jun 29, 2011 and posted on Apr 20, 2011.
  • Applicants must submit their applications by Jul 18, 2011. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
  • The funding agency has allocated a total of $30,000,000.00 to eligible and selected applicants.
  • Each selected applicant is eligible to receive up to $10,000,000.00 in funding.
  • The number of recipients for this funding is limited to 20 candidate(s).
  • Eligible applicants include: Unrestricted (i.e., open to any type of entity above), subject to any clarification in text field entitled Additional Information on Eligibility.
Apply for DE FOA 0000471

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Opportunity Summary:

High Energy Advanced Thermal Storage (HEATS) is an ARPA-E funding opportunity (FOA DE-FOA-0000471) aimed at pushing thermal energy storage beyond incremental improvements and toward genuinely high-impact, cost-effective technologies. The central idea is to support research and development that can store heat at high energy density and deliver it when needed, which can help with major energy challenges such as smoothing the variability of generation, improving overall system efficiency, and enabling new industrial or power-generation pathways. ARPA-E frames this as "revolutionary" thermal storage, signaling that it is looking for approaches that could materially change cost and performance rather than simply refine existing solutions.

The notice provided is a modification to the original FOA, and its main purpose is administrative clarity around disclosures and reporting of other funding. Specifically, it narrows the "Other Sources of Funding" requirement (referenced in Sections IV.C.1 and VI.B.9 of the FOA) so that the disclosure focus is on the individuals involved in the project, meaning Principal Investigators, Co-Principal Investigators, and Key Participants. In other words, the revision is meant to ensure that the government sees a clear picture of relevant outside support tied directly to the people driving the work, and it also clarifies what selected applicants must disclose once they are invited into award negotiations. This kind of change typically matters because ARPA-E wants transparency about overlapping support, commitments, and potential conflicts that might affect execution, availability of personnel, or duplication of funding.

The application process described includes a Concept Paper stage used as an early filter to save applicants from spending significant time and money on a full proposal that is unlikely to move forward. After concept papers are reviewed, ARPA-E may encourage some teams to submit full applications and discourage others. Importantly, being discouraged does not bar submission: applicants may still submit a full application even if they received a discouragement notice. ARPA-E explains that discouragement is intended to communicate a lack of programmatic interest rather than to make a definitive statement about technical merit, and that the concept paper phase is primarily a time-and-cost-saving mechanism for applicants.

For timing, the modification highlights that the full application deadline is Monday, July 18, 2011 at 5:00 PM Eastern Time. ARPA-E also strongly encourages applicants to submit full applications and replies to reviewer comments at least 24 hours before the deadline to reduce last-minute submission risks. The original closing date was May 19, 2011, but the updated closing date for this action is July 18, 2011, reflecting the FOA timeline as modified.

In terms of award structure and scale, this opportunity is offered as a discretionary federal assistance program using cooperative agreements, which generally implies substantial federal involvement during project execution compared with a standard grant. ARPA-E anticipated making about 20 awards under this FOA, with an estimated total funding amount of $30,000,000. Individual awards were expected to range from a $250,000 floor up to a $10,000,000 ceiling, indicating support for both smaller early-stage efforts and larger, more integrated development and demonstration style projects. The FOA also includes a cost-sharing or matching requirement, meaning recipients would need to contribute some non-federal share according to the terms laid out in the announcement.

Eligibility is listed as unrestricted, meaning ARPA-E was broadly open to proposals from many types of entities (for example, companies, universities, nonprofits, and other organizations), subject to any additional eligibility clarifications contained in the full FOA text. The listing associates the opportunity with CFDA number 81.135 (Advanced Research Projects Agency - Energy), under the science and technology and other research and development activity category.

For logistics and support, applicants are directed to the ARPA-E FOA site (ARPA-E eXCHANGE) for the full announcement, attachments, and instructions. Questions had to be submitted by email to ARPA-E at ARPA-E-CO@hq.doe.gov, with the important constraint that ARPA-E would stop accepting questions 96 hours before the relevant deadline. Responses to questions were posted publicly in ARPA-E's Frequently Asked Questions area, which is a standard approach intended to ensure that all applicants have access to the same clarifications. For technical trouble accessing the announcement, the contact listed is John T. Harris, Contract Specialist, with phone number 202-287-1055 and email john.harris@hq.doe.gov.

Overall, HEATS is positioned as an ARPA-E effort to catalyze high-risk, high-reward thermal storage innovations with meaningful cost and performance advantages, using a staged application process (concept paper to full application) and a cooperative agreement structure. The modification emphasized in the notice does not change the core technical ambition of the program so much as it tightens and clarifies what funding disclosures must be provided by key project personnel and what selected applicants must disclose during the negotiation phase.

High Energy Advanced Thermal Storage (HEATS) ARPA-E Funding Opportunity (DE-FOA-0000471) - FAQs

What is the HEATS funding opportunity?

High Energy Advanced Thermal Storage (HEATS) is an ARPA-E funding opportunity under FOA DE-FOA-0000471 focused on advancing thermal energy storage beyond incremental improvements, aiming for high-impact, cost-effective technologies that can store heat at high energy density and deliver it when needed.

What is ARPA-E looking for in HEATS projects?

ARPA-E is looking for "revolutionary" thermal storage approaches that could materially change cost and performance, not just refine existing solutions. The intent is to support research and development that improves how heat is stored and dispatched for meaningful energy system benefits.

Why is high-energy-density thermal storage important to ARPA-E?

The program highlights potential benefits such as smoothing variability in generation, improving overall system efficiency, and enabling new industrial or power-generation pathways by making stored heat available when it is needed.

What is the purpose of the FOA modification described in the notice?

The modification is primarily administrative and focuses on disclosure and reporting requirements related to "Other Sources of Funding." It narrows the disclosure focus to individuals involved in the project and clarifies what selected applicants must disclose once they are invited into award negotiations.

What does "Other Sources of Funding" mean in this modified FOA context?

Based on the modification, the disclosure requirement is narrowed so that it centers on other funding tied to the individuals driving the work: Principal Investigators, Co-Principal Investigators, and Key Participants. The aim is transparency about relevant outside support and commitments connected to these people.

Which project personnel are specifically covered by the revised disclosure requirement?

The modification specifies that disclosures should focus on individuals involved in the project, specifically Principal Investigators (PIs), Co-Principal Investigators (Co-PIs), and Key Participants.

When do selected applicants need to disclose additional funding information?

The notice explains that it clarifies what selected applicants must disclose once they are invited into award negotiations, meaning additional disclosure expectations apply during the negotiation phase for those moving toward award finalization.

Why does ARPA-E care about outside funding disclosures?

The notice indicates ARPA-E wants a clear picture of overlapping support, commitments, and potential conflicts that could affect execution, personnel availability, or duplication of funding.

Is there a concept paper stage for HEATS?

Yes. The application process includes a Concept Paper stage that ARPA-E uses as an early filter to reduce the time and cost for applicants who are unlikely to be competitive for a full application.

What happens after concept papers are reviewed?

After reviewing concept papers, ARPA-E may encourage some teams to submit full applications and discourage others.

If ARPA-E discourages my concept paper, can I still apply?

Yes. The notice states that being discouraged does not bar submission. Applicants may still submit a full application even if they received a discouragement notice.

What does a discouragement notice mean?

ARPA-E explains that discouragement is intended to communicate a lack of programmatic interest rather than make a definitive statement about technical merit. The concept paper phase is primarily a mechanism to save applicants time and expense.

What is the full application deadline?

The modification highlights that the full application deadline is Monday, July 18, 2011 at 5:00 PM Eastern Time.

Was the closing date changed from the original FOA timeline?

Yes. The original closing date was May 19, 2011, and the updated closing date for this action is July 18, 2011.

Does ARPA-E recommend submitting before the deadline?

Yes. ARPA-E strongly encourages applicants to submit full applications and replies to reviewer comments at least 24 hours before the deadline to reduce last-minute submission risks.

What type of federal award instrument is used for HEATS?

This opportunity is offered as a discretionary federal assistance program using cooperative agreements, which generally implies substantial federal involvement during project execution compared with a standard grant.

How many awards did ARPA-E anticipate making under this FOA?

ARPA-E anticipated making about 20 awards under this FOA.

What is the estimated total funding amount for HEATS?

The estimated total funding amount stated for this FOA is $30,000,000.

What is the expected size range for individual awards?

Individual awards were expected to range from a minimum of $250,000 up to a maximum of $10,000,000.

Is there a cost-sharing or matching requirement?

Yes. The FOA includes a cost-sharing or matching requirement, meaning recipients would need to contribute a non-federal share according to the terms in the announcement.

Who is eligible to apply?

Eligibility is listed as unrestricted, indicating ARPA-E was broadly open to proposals from many types of entities, subject to any additional eligibility clarifications contained in the full FOA text.

What is the CFDA number associated with this opportunity?

The listing associates the opportunity with CFDA number 81.135 (Advanced Research Projects Agency - Energy).

Where can applicants find the full FOA details and instructions?

Applicants are directed to the ARPA-E FOA site (ARPA-E eXCHANGE) for the full announcement, attachments, and instructions.

How can applicants submit questions about the FOA?

Questions had to be submitted by email to ARPA-E at ARPA-E-CO@hq.doe.gov.

Is there a cutoff time for submitting questions to ARPA-E?

Yes. ARPA-E would stop accepting questions 96 hours before the relevant deadline.

How are answers to applicant questions shared?

Responses to questions were posted publicly in ARPA-E's Frequently Asked Questions area so that all applicants have access to the same clarifications.

Who should be contacted for technical trouble accessing the announcement?

For technical trouble accessing the announcement, the contact listed is John T. Harris, Contract Specialist, phone 202-287-1055, email john.harris@hq.doe.gov.

Does the modification change the technical goals of the HEATS program?

The notice indicates the modification does not change the core technical ambition of the program; instead, it tightens and clarifies what funding disclosures must be provided by key project personnel and what selected applicants must disclose during the negotiation phase.

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