Modification 03: - inserted certain deadlines and updated dates, including the deadlines for submitting questions and full applications, see cover page, required documents checklist, and selection for…

The Department of Energy Advanced Research Projects Agency awarded a $3.34 million cooperative agreement to The Leland Stanford Junior University on March 3, 2026, under the Advanced Research Projects Agency - Energy program (CFDA 81.135, DE-FOA-0003510: Realize Energy-Rich Compound Opportunities Valorizing Extraction from Refuse Waters). The award funds research through March 2, 2029 and is performed at Stanford's campus in Stanford, California.

Stanford passed through funding to Recovered Potential, Inc., which is developing electrochemically driven wastewater refining technology for ammonia, phosphate, and magnesium recovery from anaerobic digestate. The sub-award was obligated on May 15, 2026.

ARPA-E supports high-potential, high-impact energy technologies that are too early for private-sector investment and that develop new ways to generate, store, and use energy. Modification 03 to this award inserted application deadlines, updated anticipated federal funds for the program, established a 15 percent indirect cost cap on total project costs, and added due diligence review requirements for research, technology, and economic security.

Modification 03: - inserted certain deadlines and updated dates, including the deadlines for submitting questions and full applications, see cover page, required documents checklist, and selection for award negotiations. - updated total anticipated federal funds for the program. - inserted information about indirect cost cap at 15% of total project costs, see funding restrictions. - inserted information about due diligence review for research, technology and economic security, see application review. - updated definition of 'project team' and 'participation', see eligible applicants; updated definition of 'covered individuals', see glossary. - updated guidance on submitting a summary slide, business assurances and disclosures form, budget justification workbook/SF-424A, and reply to reviewer comments, see application contents and format. - added information regarding exchange login using enhanced identity proofing, see use of arpa-e exchange. DE-FOA-0003510 - realize energy-rich compound opportunities valorizing extraction from refuse waters 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