CMBlu Energy

CMBlu Energy, based in Alzenau, Germany since 2014, develops innovative Organic SolidFlow battery systems using carbon-based materials. Offering sustainable, safe, and scalable long-duration energy storage, their solutions serve utility-scale and industrial applications as eco-friendly alternatives to traditional lithium-ion batteries.

Company Location

Country:

Germany

City:

Alzenau

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Company Overview

CMBlu Energy, founded in 2014 and based in Alzenau, Germany, develops and manufactures long-duration energy storage solutions. Using its proprietary Organic SolidFlow battery systems with carbon-based molecules, the company provides sustainable, safe, and scalable alternatives to conventional lithium-ion batteries for utility-scale and industrial applications.

Battery Technology

CMBlu Energy’s Organic SolidFlow technology combines flow and solid-state battery designs using carbon-based active materials and aqueous electrolytes to eliminate fire hazards. The modular system allows independent scaling of power and energy capacity for four- to twelve-hour durations. Components are recyclable or reusable, avoid rare metals and conflict minerals, and are manufactured with standard industrial equipment.

Products

Organic SolidFlow battery systems featuring carbon-based molecules, aqueous electrolytes, modular power and energy scaling, four- to twelve-hour discharge durations, and recyclable or reusable components.

Recent Projects

In 2024, partnered with Salt River Project to deploy a 5 MW/10-hour system in Phoenix, Arizona (completion 2025) powering ~1,125 homes; and collaborated with WEC Energy Group and Electric Power Research Institute on a 1–2 MWh pilot at Milwaukee’s Valley Power Plant to test extended discharge performance.

Investors

STRABAG SE invested €100M in 2023 to expand CMBlu Energy’s Organic SolidFlow manufacturing capabilities in Europe and the United States.

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