Eos Energy Enterprises, Inc. (NASDAQ: EOSE)

Eos Energy Enterprises, Inc. designs, manufactures, and markets zinc based battery energy storage systems for utility scale, microgrid, and commercial and industrial applications. The company’s products are safe, non flammable, secure, and sustainable alternatives to lithium ion batteries and are intended for long duration energy storage use cases ranging from three to twelve hours or longer. Eos develops its own battery chemistry, mechanical design, and proprietary battery management system and manufactures its systems in the United States using domestically sourced raw materials.

The company generates revenue primarily from the sale of turnkey direct current battery energy storage systems. It also provides a battery management system that enables remote monitoring and analytics, project management services to coordinate installation, commissioning services to verify performance, and long term maintenance programs to support optimal operating performance. Revenue is derived from utilities, independent power producers, renewable developers, and commercial and industrial customers who purchase the systems and associated services.

The company operates through the following segments.

• Operating Segment: This segment encompasses the design, development, manufacturing, and marketing of zinc based battery energy storage systems including the Znyth™ BESS, Z3 battery modules, battery management system, project management services, commissioning services, and long term maintenance programs for utility scale, microgrid, and commercial and industrial applications.

Eos Energy Enterprises holds a differentiated position in the energy storage industry as a leading provider of zinc based battery systems that offer safety advantages over lithium ion technologies. Its products operate across a wide temperature range from minus twenty degrees Celsius to fifty degrees Celsius, reducing the need for costly thermal management systems. The company benefits from a strong intellectual property portfolio with thirty one patent families and two hundred two patents pending, issued, or published in thirty countries, providing protection for its battery chemistry, mechanical design, and software platforms. Competitors include lithium ion manufacturers such as Fluence Energy, Panasonic, Samsung Electronics, LG Chem, Tesla, BYD, Sungrow, and Contemporary Amperex Technology Co Limited as well as long duration providers like ESS Inc, Enervenue, Ambri, and Form Energy. Eos competitive strengths stem from its non flammable chemistry, abundant recyclable raw materials, domestic manufacturing footprint, and eligibility for federal tax credits under the Inflation Reduction Act and the One Big Beautiful Bill Act.

The company serves utilities, independent power producers, renewable developers, microgrid developers, and commercial and industrial enterprises. While specific customer names are not disclosed in the filing, two customers accounted for 51.5% and 18.8% of total revenue in fiscal year 2025, illustrating a concentrated but diversified customer base across the power sector.