Eos

What Eos does

Eos Energy Enterprises, Inc. (NASDAQ: EOSE) is a U.S.-based, publicly traded developer and manufacturer of long-duration zinc-based aqueous battery energy storage systems, headquartered in Edison, New Jersey with manufacturing operations in Turtle Creek and Marshall Township, Pennsylvania. Founded in 2008 and taken public via SPAC merger in 2020, the company sells its proprietary Eos Z3 battery modules—powered by Znyth zinc hybrid cathode technology—through two principal system products: the Eos Cube containerized plug-and-power solution and the newer Eos Indensity gigawatt-scale architecture. All systems are managed by the Eos DawnOS controls and battery management platform, with services including long-term performance guarantees up to 25 years. Eos targets utility, industrial and commercial, data center/AI infrastructure, renewable developer, and government/tribal microgrid customers across North America and Europe.

The company's revenue model is dominated by hardware sales of battery energy storage systems (BESS), supplemented by long-term service contracts, project financing support, and recurring software/controls revenue tied to DawnOS. Pricing is project-based and not publicly disclosed; systems are quoted in MWh/GWh capacity rather than per-unit. The go-to-market is primarily direct enterprise sales augmented by exclusive international distributors (CAPAC Energy for DACH), strategic joint ventures (Frontier Power USA with Cerberus Capital), and software integration partners (FlexGen for HybridOS in Europe). Customers include Dominion Energy, Bimergen, Bridgelink, Stella Energy, Frontier Power USA/UK, and CAPAC Energy, with a $644.6M order backlog (2.6 GWh) and a $24.3B commercial pipeline as of Q1 2026.

Eos raised its first commercial production at the Thorn Hill Battery Line 2 on June 16, 2026, joining the original Turtle Creek line, and is targeting 4 GWh of annual manufacturing capacity by year-end 2026 (potentially 8 GWh with DOE Title XVII loan-backed additional lines). Capitalization includes equity, convertible debt, and project-level financing from Koch Industries, Cerberus Capital Management, Atlas Credit Partners, the U.S. Department of Energy, Hudson Bay Capital, and existing investor groups. Cerberus holds approximately 32% beneficial ownership as of March 2026 and influences strategy through a board seat and the Frontier Power USA joint venture, which serves as the primary project development and financing channel for deploying Eos Z3 systems.

Name

Eos

Legal name

Eos Energy Enterprises, Inc.

Website

https://www.eose.com

Company type

Public

Founded year

2008

Operating status

Operating

Headcount range

251–500 employees

Short description

Eos Energy Enterprises (NASDAQ: EOSE) designs and manufactures zinc-based aqueous long-duration battery storage systems (Eos Z3, Cube, Indensity) for utilities, data centers, and developers in North America and Europe.

Ownership category

akta.pro rank

Product category

Long-Duration Energy Storage Systems

NAICS

Battery Manufacturing (33591)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Battery Cells (Li-ion, LFP, Sodium-ion, Lead-acid, NiMH) (IMAGAHAA)

akta.pro secondary industries

Battery Modules & Packs (Industrial/Commercial pack assembly) (IMAGAHAB), Energy Storage Systems (BESS, Flywheels, Batteries) (HDABAKAC), Battery Management Systems (BMS) & Pack Electronics Manufacturing (EUAFABAJ), Battery Management Systems (BMS) & Battery Electronics (IMAGAHAC)

Keywords

• Zinc battery storage
• Long duration storage
• Grid scale batteries
• Energy storage systems
• Stationary battery technology

Headquarters

HQ city

Edison

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Battery Energy Storage System Sales: Sale of Eos Z3 battery modules, Eos Cube containerized systems, and Eos Indensity architecture solutions to utilities, industrial/commercial customers, and project developers. Revenue recognized upon delivery of battery systems.
2. Software and Controls: Eos DawnOS battery management system software and controls provided as integrated component of hardware systems, with potential for separate service agreements.
3. Services and Project Support: Long-term service contracts, project financing support, installation commissioning, and maintenance services. Includes 10-year warranty standard with extended 25-year performance guarantees available.

Go-to-market motion1 record

Distribution channels5 records

Marketing channels5 records

Core offering

Eos designs, manufactures and sells zinc-based aqueous battery energy storage systems for stationary, long-duration applications. Its core product is the Eos Z3 battery module, powered by proprietary Znyth zinc hybrid cathode chemistry, which is packaged into the containerized Eos Cube system and the high-density Eos Indensity architecture. The company also provides the DawnOS controls platform, battery management software, and long-term service contracts with extended performance guarantees.

Product overview

Eos Energy Enterprises offers a platform-plus-modules architecture centered on zinc-based long-duration energy storage. The core technology is the Eos Z3 battery module, powered by proprietary Znyth zinc hybrid cathode technology. This core module serves as the building block for two primary system products: Eos Cube (fully-containerized, plug-and-power solution) and Eos Indensity (next-generation gigawatt-scale architecture using modular Indensity Core units). All systems are managed by the Eos DawnOS platform and Battery Management System for real-time telemetry, protections, and optimization. Services include project financing, commissioning support, and long-term maintenance contracts with performance guarantees.

Differentiator

Problem solved

Functional benefit

Brands

• Eos Z3: Zinc-powered aqueous liquid battery module - the company's core battery technology featuring Znyth zinc hybrid cathode technology
• Eos Indensity
• Eos Cube
• Eos DawnOS
• Znyth
• Frontier Power USA

Products and services

• Eos Z3 Battery Module Third-generation zinc-powered aqueous liquid battery module using Znyth chemistry with non-degradable bipolar electrodes, high-performance aqueous electrolyte and fully-sealed polymer casing. Designed for 4–16+ hour discharge durations with a 25-year lifespan and no thermal runaway risk; sold to utilities, industrial/commercial customers and project developers for stationary energy storage.
• Eos Cube Fully-containerized, fully-integrated, plug-and-power battery energy storage system built on Z3 modules, targeting utility, industrial and commercial customers. Delivers pre-engineered capacity blocks for fast deployment.
• Eos Indensity Gigawatt-scale, high-density energy storage architecture with Spatial Intelligence design, integrating vertically stackable Indensity Core units to deliver approximately 1 GWh per acre (~4x the density of competing technologies). Targeted at space-constrained urban, industrial and AI data center deployments.
• Eos Indensity Core Self-contained, stackable building block that integrates Z3 battery modules with DawnOS controls, onboard cooling and power management in a compact form factor designed for easy assembly and rapid deployment within the Indensity architecture.
• Eos DawnOS Platform Advanced controls and insights platform providing real-time operational telemetry, automatic protections, and module-level battery management with AI-enabled adaptive battery models to minimize stress and maximize output capacity for Eos Indensity and Eos Cube systems.
• Eos Battery Management System (BMS) Integrated electronics and software package providing real-time operational telemetry, automatic protections and performance optimization at both module and string levels for Eos battery systems.
• Eos Services Comprehensive support offering including project financing assistance, long-term service contracts with 25-year performance guarantees, remote monitoring and annual maintenance inspections for customers of Eos battery systems.

Quantifiable outcome

• 25-year lifespan with less than 4% degradation compared to ~10-15 year typical life for lithium-ion
• +6 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature5 records

Partnerships

Five partnerships are on record, tiered core.

• Frontier Power UK / Apatura EnergycoreStrategic or Co-development Partner · 26 June 2026Frontier Power UK acquired Ayr (200 MW/1,600 MWh) and Busby (150 MW/1,200 MWh) LDES projects from Apatura Energy. Both projects received Gate 2 notifications under National Energy System Operator's grid connections reform process. Approximately 2.8 GWh total capacity using Eos Z3 technology under Ofgem cap-and-floor framework.
• CAPAC EnergycoreChannel Partner/ Reseller/ Distributor · 17 June 2026German developer designated as exclusive distribution partner for DACH region (Germany, Austria, Switzerland) under binding master supply agreement covering 750 MWh expandable to 2 GWh through 2031. First international commercial framework agreement for Eos Indensity technology. Construction already underway on first projects targeting commercial operation in late 2026.
• Stella Energy SolutionscoreStrategic or Co-development Partner · 29 May 2026Strategic framework with Frontier Power USA to collaborate on more than 2 GWh of BESS development projects across high-growth U.S. markets primarily in ERCOT, Texas. Stella serves as execution partner for FPUSA's development pipeline with exclusive evaluation rights on late-stage projects.
• Bimergen Energy CorporationcoreStrategic or Co-development Partner · 23 May 2026FPUSA acquired 480 MWh battery storage project portfolio from Bimergen consisting of three projects in ERCOT market. FPUSA holds 92.5% ownership while Bimergen retains 7.5% economic interest. Bimergen developed Redbird 100 MW/400 MWh project. Notices to proceed expected in mid-2026 using Eos Z3 technology.
• TURBINE-X Energy Inc.coreStrategic or Co-development Partner · 15 April 2026Joint development agreement to deploy up to 2 GWh of Eos storage systems packaged with gas-fired generation for AI and energy-hungry facilities. Initial deployments targeted for 2027 with 36-month pipeline development timeline.

Scale indicators14 records

Recent moves8 records

Expansion highlights8 records

Direct peers

• Form Energy: Form Energy develops iron-air long-duration energy storage systems targeting 100+ hour discharge at grid scale. Direct peer in the long-duration stationary storage category, pursuing an alternative non-lithium chemistry to compete for utility-scale multi-hour applications.
• ESS Inc. ESS Inc. manufactures iron flow battery storage systems for long-duration applications. Closely comparable to Eos as a non-lithium chemistry LDES provider targeting utility and commercial customers with multi-hour discharge capability.
• Energy Vault: Energy Vault develops gravity-based and hybrid long-duration energy storage solutions. Direct peer in the long-duration stationary storage category, addressing utility and grid-scale deployments with multi-hour discharge.
• Invinity Energy Systems: Invinity manufactures vanadium redox flow batteries for long-duration storage. Direct peer pursuing a non-lithium aqueous flow chemistry to serve grid-scale energy storage customers across multiple geographies.

Broad incumbents

• Fluence Energy: Fluence is a leading global BESS integrator offering lithium-ion-based utility-scale and commercial storage solutions. Broad incumbent competing in many of the same utility and grid customer segments, though focused on lithium chemistry.
• Tesla Energy: Tesla's energy business offers Megapack and Powerwall lithium-ion BESS solutions for utility, commercial, and residential markets. Broad incumbent competitor dominating utility-scale BESS procurement with significant pricing power.

Emerging players

• Highview Power: Highview Power develops liquid air energy storage (LAES) for long-duration applications. Emerging player in the LDES category with similar customer focus on utilities and grid operators, but using a different storage mechanism.
• Hydrostor: Hydrostor develops compressed air energy storage (CAES) for long-duration grid applications. Emerging peer competing for the same long-duration storage opportunities, with comparable utility and project developer customers.
• Antora Energy: Antora Energy develops thermal energy storage systems for industrial and grid applications. Emerging player in LDES space with overlap in addressing industrial customers' decarbonization and reliability needs.

Regional players

• Stem Inc. Stem provides AI-driven energy storage software and services primarily in North America. Adjacent player in the storage value chain with overlapping commercial/industrial customer base, though primarily a software/services provider rather than hardware manufacturer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights8 records

Customer concentration

• Xx.com/PoweredByEos
• LinkedInlinkedin.com/company/eos-energy-storage
• Facebookfacebook.com/EosEnergyStorage

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries2 records

Funding overview

Funding rounds27 records

Investors15 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Eos