- CEO
- Joseph R. Mastrangelo Jr.
- Full Time Employees
- 430
- Sector
- Industrials
- Industry
- Electrical Equipment & Parts
- Address
- 3920 Park Avenue Edison DE United States of America 08820
- IPO Date
- Nov 19, 2020
- Business
- Eos Energy Enterprises, Inc. designs, develops, manufactures, and markets zinc-based energy storage solutions primarily for utility-scale, microgrid, and commercial and industrial applications. Its core products include the Eos Cube, Eos Hangar, and Eos Stack energy storage systems, which utilize proprietary zinc battery modules and battery management systems offering long-duration storage of 3- to 12-hour discharge times. These systems are designed to enable grid resilience, renewable energy integration, and decentralized power generation while reducing the need for costly ancillary equipment common in lithium-ion batteries due to their non-flammable properties and wide temperature tolerance.
The company supports customers with comprehensive services ranging from project design, delivery, commissioning, and long-term maintenance, including flexible financing options such as lease-to-own agreements and full project financing for microgrids and solar+storage installations. Eos operates mainly in the United States with increasing commercial opportunities supported by a growing order backlog, reflecting expansion in the clean energy storage industry.
Founded in 2008 and headquartered in New Jersey, Eos Energy Enterprises has made significant recent advances. In 2024 and 2025, it completed large-scale financings including a $458 million equity offering and $525 million convertible senior notes issuance, strengthening its capital structure for scaling manufacturing capacity. It also secured a $303.5 million Department of Energy loan guarantee to support its Project AMAZE expansion and increase domestic production capabilities. The company has launched additional manufacturing lines, growing its capacity to meet increasing demand and has reaffirmed 2025 revenue guidance between $150 million and $190 million. Executive leadership changes include elevating its CFO to Chief Commercial Officer and appointing a new CFO to further drive its growth strategy.
These developments position Eos Energy Enterprises to capitalize on a multibillion-dollar market opportunity for long-duration, zinc-based energy storage solutions supporting a cleaner, decentralized energy future. The company continues to scale manufacturing and commercial execution efforts with a customer order backlog of $682 million and a commercial opportunity pipeline exceeding $14 billion, reflecting strong market confidence in its proprietary technology and strategic growth initiatives.