# Energy Storage Europe Market Map 2026: 70 Startups in 5 Segments > 70 European energy storage startups mapped in 5 segments: battery storage projects, thermal storage and flow batteries and more. Source: https://millionrounds.com/market-maps/energy-storage-europe-market-map (Millionrounds; every figure on the page links to its filing or article) ## Battery storage projects 50 - [Fidra Energy](https://millionrounds.com/company/fidra-energy) - [Rezolv Energy](https://millionrounds.com/company/rezolv-energy) - [Eelpower](https://millionrounds.com/company/eelpower) - [Zenobe Energy](https://millionrounds.com/company/zenobe-energy) - [Infinity Power](https://millionrounds.com/company/infinity-power) - [Lion Storage](https://millionrounds.com/company/lion-storage) - [ABO Energy](https://millionrounds.com/company/abo-energy) - [Skeleton Technologies](https://millionrounds.com/company/skeleton-technologies) - [Terra One](https://millionrounds.com/company/terra-one) - [Nyobolt](https://millionrounds.com/company/nyobolt) - [Varco Energy](https://millionrounds.com/company/varco-energy) - [ZE Energy](https://millionrounds.com/company/ze-energy) - [Tavion](https://millionrounds.com/company/tavion) - [*I* iwell](https://millionrounds.com/company/iwell) - [Unbound Potential](https://millionrounds.com/company/unbound-potential) - [Pexapark](https://millionrounds.com/company/pexapark) - [UP Catalyst](https://millionrounds.com/company/up-catalyst) - [Connected Energy](https://millionrounds.com/company/connected-energy) - [Capalo AI](https://millionrounds.com/company/capalo-ai) - [Stabl Energy](https://millionrounds.com/company/stabl-energy) - [theion](https://millionrounds.com/company/theion) - [Green Voltis](https://millionrounds.com/company/green-voltis) - [Libattion](https://millionrounds.com/company/libattion) - [Eddy Grid](https://millionrounds.com/company/eddy-grid) +26 more ## Thermal storage 8 - [Elvy](https://millionrounds.com/company/elvy) - [EPYR](https://millionrounds.com/company/epyr) - [Azelio](https://millionrounds.com/company/azelio) - [TheStorage](https://millionrounds.com/company/thestorage) - [Cheesecake Energy](https://millionrounds.com/company/cheesecake-energy) - [i-TES srl](https://millionrounds.com/company/i-tes-srl) - [Nanolope](https://millionrounds.com/company/nanolope) - [The Heat Vault Company](https://millionrounds.com/company/the-heat-vault-company) ## Flow batteries 5 - [VoltStorage](https://millionrounds.com/company/voltstorage) - [RFC Power](https://millionrounds.com/company/rfc-power) - [Sinergy Flow](https://millionrounds.com/company/sinergy-flow) - [StorTera](https://millionrounds.com/company/stortera) - [Rivus Batteries](https://millionrounds.com/company/rivus-batteries) ## Mechanical storage 4 - [Sizable Energy](https://millionrounds.com/company/sizable-energy) - [Storelectric](https://millionrounds.com/company/storelectric) - [RheEnergise](https://millionrounds.com/company/rheenergise) - [Levistor](https://millionrounds.com/company/levistor) ## Storage software 3 - [Modo Energy](https://millionrounds.com/company/modo-energy) - [Decade Energy](https://millionrounds.com/company/decade-energy) - [Inbalance](https://millionrounds.com/company/inbalance) ## Segment by segment ### Battery storage projects 50 startups · $4.9B raised - [**Fidra Energy**](https://millionrounds.com/company/fidra-energy) Fidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system. United Kingdom $804M - [**Rezolv Energy**](https://millionrounds.com/company/rezolv-energy) Rezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic. Romania $763M - [**Eelpower**](https://millionrounds.com/company/eelpower) Eelpower is a battery storage developer that operates energy storage solutions. United Kingdom $682M - [**Zenobe Energy**](https://millionrounds.com/company/zenobe-energy) Zenobe Energy manufactures battery storage assets for electric bus operators, utilities, and industrial and commercial businesses. United Kingdom $515M - [**Infinity Power**](https://millionrounds.com/company/infinity-power) Infinity Power is a renewable energy company that offers solar, battery storage, and grid infrastructure solutions. Netherlands $372M - [**Lion Storage**](https://millionrounds.com/company/lion-storage) Lion Storage is an expert in creating battery energy storage solutions for utilities. Netherlands $365M - [**ABO Energy**](https://millionrounds.com/company/abo-energy) ABO Energy develops wind and solar energy projects, battery storage, and green hydrogen systems. Germany $279M - [**Skeleton Technologies**](https://millionrounds.com/company/skeleton-technologies) Skeleton Technologies is a global leader in cleantech and the largest manufacturer of advanced energy storage solutions, focusing Estonia $274M ### Thermal storage 8 startups · $634M raised - [**Elvy**](https://millionrounds.com/company/elvy) Elvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems. Sweden $595M - [**EPYR**](https://millionrounds.com/company/epyr) Industrial heat represents 25% of global energy consumption and remains one of the hardest sectors to decarbonize, with 80% still France $20M - [**Azelio**](https://millionrounds.com/company/azelio) Azelio is a Swedish company with a unique thermal energy storage solution for dispatchable electricity and heat. Sweden $5.7M - [**TheStorage**](https://millionrounds.com/company/thestorage) TheStorage is a Finnish cleantech startup based in Tampere, focused on developing industrial thermal energy storage systems. Finland $5.4M - [**Cheesecake Energy**](https://millionrounds.com/company/cheesecake-energy) Cheesecake Energy is developing advanced thermal and compressed air energy systems to store energy. United Kingdom $5.2M - [**i-TES srl**](https://millionrounds.com/company/i-tes-srl) i-TES srl is a Turin-based deep-tech startup founded in December 2016. Italy $1.5M - [**Nanolope**](https://millionrounds.com/company/nanolope) Nanolope is a Berlin‐based deep‐tech company developing high‐density thermal energy storage materials for buildings and energy systems. Germany $936K - [**The Heat Vault Company**](https://millionrounds.com/company/the-heat-vault-company) The Heat Vault Company is a privately held Anglo-Swedish cleantech startup founded in 2021. United Kingdom $660K ### Flow batteries 5 startups · $65M raised - [**VoltStorage**](https://millionrounds.com/company/voltstorage) VoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology. Germany $33M - [**RFC Power**](https://millionrounds.com/company/rfc-power) RFC Power is a global provider of long-duration energy storage solutions, focused on developing a low-cost hydrogen-manganese hybr United Kingdom $15M - [**Sinergy Flow**](https://millionrounds.com/company/sinergy-flow) Sinergy Flow is a Milan-based DeepTech startup founded in 2022, specializing in low-cost, sustainable redox flow batteries (RFBs) Italy $8.3M - [**StorTera**](https://millionrounds.com/company/stortera) StorTera Ltd is an Edinburgh-based company specializing in long-duration energy storage solutions. United Kingdom $6.0M - [**Rivus Batteries**](https://millionrounds.com/company/rivus-batteries) Rivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019. Sweden $2.9M ### Mechanical storage 4 startups · $25M raised - [**Sizable Energy**](https://millionrounds.com/company/sizable-energy) Sizable Energy is an Italian startup focused on long-duration energy storage by adapting pumped hydro technology for offshore use Italy $8.0M - [**Storelectric**](https://millionrounds.com/company/storelectric) Storelectric is a UK-based company founded in 2013, specializing in large-scale, long-duration green energy storage solutions. United Kingdom $7.7M - [**RheEnergise**](https://millionrounds.com/company/rheenergise) RheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative High United Kingdom $6.3M - [**Levistor**](https://millionrounds.com/company/levistor) Levistor is a UK-based cleantech company founded in 2021, specializing in high-power, short-duration energy storage systems. United Kingdom $2.6M ### Storage software 3 startups · $79M raised - [**Modo Energy**](https://millionrounds.com/company/modo-energy) Modo Energy is an energy asset analysis platform that provides users with data, research, and benchmarking tools for energy storage. United Kingdom $50M - [**Decade Energy**](https://millionrounds.com/company/decade-energy) Decade Energy develops energy storage, charging, and software solutions that secures power for electric fleets at the lowest possible cost. France $26M - [**Inbalance**](https://millionrounds.com/company/inbalance) We use machine learning to accurately forecast electricity prices. Lithuania $3.4M **How this map is made.** Every startup here has raised money in rounds we track, and is based in Europe. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in energy storage, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026. ## More market maps [All maps](https://millionrounds.com/market-maps) [Market map **Energy storage market map** 185 startups · 6 segments · $17B](https://millionrounds.com/market-maps/energy-storage-market-map)[Market map · United States **Energy storage market map: United States** 76 startups · 4 segments · $8.8B](https://millionrounds.com/market-maps/energy-storage-united-states-market-map)[Investors map **Who invests in energy storage** 69 investors · 6 segments](https://millionrounds.com/market-maps/energy-storage-investors-map)[New wave **New energy storage startups, founded 2020 on** 58 startups · 4 segments · $5.0B](https://millionrounds.com/market-maps/new-energy-storage-startups-market-map)[Raised in 2026 **Energy storage startups that raised in 2026** 51 startups · 4 segments · $8.7B](https://millionrounds.com/market-maps/energy-storage-raised-2026-market-map)[Market map · Europe **Fintech market map: Europe** 409 startups · 8 segments · $35B](https://millionrounds.com/market-maps/fintech-europe-market-map) ## Who backs energy storage? 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