Top 10 Battery Storage startups

Updated: Jan 28, 2026
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These startups develop large scale energy storage systems based on Li-Ion and other battery technologies.
1
Redwood Materials
Country: USA | Funding: $4.9B
Redwood Materials is a leading battery and electronics recycling company. Founded by Tesla co-founder JB Straubel, the company's primary business is electric vehicle battery recycling. But in addition to car batteries, it recycles phones, laptops, tablets, power tools and any other lithium-ion-containing devices - to recover critical minerals such as lithium, nickel, cobalt, and copper. The company also uses old batteries to create own energy storage systems that supply electricity to data centers and the national power grid. The company also offers the creation of corporate and municipal energy storages. Thanks to using the most affordable domestic batteries, combining used and new batteries and simplifying installation and system design, it offers the most cost-effective energy storage systems on the market.
2
Eos Energy Storage
Country: USA | Funding: $2.9B
Eos produces zinc-based battery energy storage systems. The company's technology overcomes the limitations of traditional lithium-ion batteries paovides discharge time from 3 to 12 hours. The Eos Z3 zinc-based wet battery module includes zinc cathode, aqueous electrolyte, bipolar electrodes and polymer housing. The electrodes offer high mechanical strength, corrosion resistance and chemical stability, ensuring years of operation with virtually no degradation. Furthermore, the bipolar structure simplifies the battery's internal connections, reducing internal resistance and increasing energy conversion efficiency. The company is also developing a software platform for managing the energy storage system, which implements real-time intelligence, advanced control capabilities and AI-based analytics.
3
Zenobe Energy
Country: UK | Funding: $2.9B
Zenobe Energy manufactures battery energy storage systems. It provides comprehensive solutions for the electrification of fleets (buses, trucks and school transportation), including charging infrastructure, battery replacement and fleet management software. End-of-life vehicle batteries are given a second life in static battery systems. The company designs, finances, builds and operates large-scale battery storage systems, including Europe's largest 300 MW battery storage facility in Blackhillock, Scotland. Zenobe also supplies portable industrial BESS solutions powered by reconditioned batteries for construction sites and remote facilities.
4
Form Energy
Country: USA | Funding: $1.6B
Form Energy develops and manufactures multi-day energy storage systems based on iron-air batteries. These batteries are capable cost-effectively store energy for 100 consecutive hours (unlike lithium-ion batteries, which can only provide energy for a few hours). The batteries are made from safe, inexpensive and abundant materials: iron, water and air. Form Energy operates its own large-scale battery manufacturing facility in West Virginia. The company also develops software for modeling renewable energy systems that take into account modern energy market.
5
Field
Country: UK | Funding: £287M
Field is a renewable energy company aiming to accelerate the build-out of renewable infrastructure needed to reach net zero. It is building battery storage projects across the UK
6
STABL Energy
Country: Germany | Funding: $25.7M
Stabl Energy is a developer of a technology that significantly improves battery storage systems.
7
Electric Era
Country: USA | Funding: $19.8M
Electric Era Technologies develops AI-controlled battery storage for the cost-effective operation of charging stations.
8
Suena
Country: Germany | Funding: €4.2M
suena is a Hamburg based 100% digital flexibility trader for large-scale battery storage and renewable energies.
9
Entrix
Country: Germany
Entrix provides battery storage management optimization and energy trading services. Its system maximizes battery performance through the use of artificial intelligence technologies and comprehensive service approach. It leverages AI to optimize trading on day-ahead and intraday wholesale energy markets. In addition to economic optimization, Entrix places a strong emphasis on close project collaboration and technical integration. This approach enables precise asset monitoring, minimizes downtime and optimizes battery life and durability. The company services 38 energy storage projects in Germany, Poland, Italy, Spain and Portugal.
10
MW Storage
Country: Switzerland
MW Storage plans, finances and operates industrial plants for energy storage and system solutions to increase energy efficiency. It provides grid operators such services as peak shaving, reactive power compensation or storage of solar power.
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Alexander Gillet
Editor: Alexander Gillet
Alexander Gillet is a senior editor for EnergyStartups. He has a deep background in energy sector and startups. Alexander graduated from Emlyon Business School, a leading French business school specialized in entrepreneurship. He has helped several non-profit organizations dedicated to promoting environmental education and sustainability and has written over 250 articles on energy technology for various websites. In his free time, Alexander enjoys yoga, camping and exploring the Blue Ridge Mountains. You can contact Alexander at alexgillet(at)energystartups(dot)com