Eos Energy Receives $87M DOE Advance for Pennsylvania Plant

PITTSBURGH, PA, USA - Eos Energy Enterprises, Inc. (NASDAQ: EOSE) announced that it has received an $87 million first advance under the second tranche of its loan agreement with the U.S. Department of Energy's Office of Energy Dominance Financing. The advance reimburses 80% of eligible costs for the company's Thorn Hill manufacturing facility in Warrendale, Pennsylvania, bringing total draws under the DOE facility to approximately $178 million since 2024.

Line 2 entered commercial production in June 2026 and is currently ramping toward its designed annual manufacturing capacity of approximately 2 GWh. With the planned relocation of Line 1 to Thorn Hill, Eos expects the facility to support around 4 GWh of annual manufacturing capacity across two lines.

Transaction Details

• Advance amount: $87 million under the second tranche
• Total DOE facility draws: Approximately $178 million
• Reimbursement rate: 80% of eligible costs for the Thorn Hill facility
• Capacity target: 4 GWh of annual manufacturing capacity across two lines