Eos Energy received an $87,018,601 advance under its DOE-backed loan, lifting total Facility draws to approximately $178 million. The advance reimburses 80% of eligible Thorn Hill Manufacturing costs and returns invested Capital to the balance sheet, giving Eos more room to fund Business Investment while maintaining its stated growth discipline.

Key Highlights

  • Capitalized interest under the facility can reach $25,953,000.
  • Eos Energy Enterprises received $87,018,601 under its DOE-backed Loan on September 10.
  • Total draws under the facility reached approximately $178 million.
  • The Federal Financing Bank facility permits up to $277,497,000 in principal borrowings, plus up to $25,953,000 in capitalized interest.

Eos Energy Enterprises, Inc. (NASDAQ: EOSE) received $87,018,601 ($87 million) under its U.S. Department of Energy-backed loan on September 10, lifting total draws under the facility to approximately $178 million.

DOE Facility Terms and Advances

The Federal Financing Bank facility allows aggregate principal borrowings of up to $277,497,000, alongside Capitalized Interest of up to $25,953,000. The FFB previously advanced $68,279,365 in 2024 and $22,665,635 in 2025. Eos submitted its third advance request on August 24, and the latest funding followed on September 10. The loan is backed by a guarantee from the U.S. Department of Energy. The September advance was the first draw under the facility’s second tranche.

Reimbursement Supports Thorn Hill Investment

Eos said the reimbursement returns part of its prior investment to the balance sheet. Alessandro Lagi, Eos’ chief financial officer, said the additional balance-sheet capacity gives the business more room to invest while maintaining a disciplined approach to growth. John Mahaz, chief operating officer, said operating two manufacturing lines under one roof would improve use of engineering, support resources and labor.