Market map · Europe

Energy storage market map: Europe

70 energy storage startups based in Europe that have raised money in rounds we track, placed in 5 segments by what each says it does. Together they have raised $5.7B; the biggest segment is battery storage projects.

70startups on the map
5segments
$5.7Braised between them
Battery storage projectsmost funded segment

Battery storage projects

50

+26 more

Thermal storage

8

Flow batteries

5

Mechanical storage

4

Storage software

3

Segment by segment

Battery storage projects

50 startups · $4.9B raised

  1. Fidra EnergyFidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system.United Kingdom$804M
  2. Rezolv EnergyRezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic.Romania$763M
  3. EelpowerEelpower is a battery storage developer that operates energy storage solutions.United Kingdom$682M
  4. Zenobe EnergyZenobe Energy manufactures battery storage assets for electric bus operators, utilities, and industrial and commercial businesses.United Kingdom$515M
  5. Infinity PowerInfinity Power is a renewable energy company that offers solar, battery storage, and grid infrastructure solutions.Netherlands$372M
  6. Lion StorageLion Storage is an expert in creating battery energy storage solutions for utilities.Netherlands$365M
  7. ABO EnergyABO Energy develops wind and solar energy projects, battery storage, and green hydrogen systems.Germany$279M
  8. Skeleton TechnologiesSkeleton 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

  1. ElvyElvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.Sweden$595M
  2. EPYRIndustrial heat represents 25% of global energy consumption and remains one of the hardest sectors to decarbonize, with 80% still France$20M
  3. AzelioAzelio is a Swedish company with a unique thermal energy storage solution for dispatchable electricity and heat.Sweden$5.7M
  4. TheStorageTheStorage is a Finnish cleantech startup based in Tampere, focused on developing industrial thermal energy storage systems.Finland$5.4M
  5. Cheesecake EnergyCheesecake Energy is developing advanced thermal and compressed air energy systems to store energy.United Kingdom$5.2M
  6. i-TES srli-TES srl is a Turin-based deep-tech startup founded in December 2016.Italy$1.5M
  7. NanolopeNanolope is a Berlin‐based deep‐tech company developing high‐density thermal energy storage materials for buildings and energy systems.Germany$936K
  8. The Heat Vault CompanyThe Heat Vault Company is a privately held Anglo-Swedish cleantech startup founded in 2021.United Kingdom$660K

Flow batteries

5 startups · $65M raised

  1. VoltStorageVoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology.Germany$33M
  2. RFC PowerRFC Power is a global provider of long-duration energy storage solutions, focused on developing a low-cost hydrogen-manganese hybrUnited Kingdom$15M
  3. Sinergy FlowSinergy Flow is a Milan-based DeepTech startup founded in 2022, specializing in low-cost, sustainable redox flow batteries (RFBs) Italy$8.3M
  4. StorTeraStorTera Ltd is an Edinburgh-based company specializing in long-duration energy storage solutions.United Kingdom$6.0M
  5. Rivus BatteriesRivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019.Sweden$2.9M

Mechanical storage

4 startups · $25M raised

  1. Sizable EnergySizable Energy is an Italian startup focused on long-duration energy storage by adapting pumped hydro technology for offshore use Italy$8.0M
  2. StorelectricStorelectric is a UK-based company founded in 2013, specializing in large-scale, long-duration green energy storage solutions.United Kingdom$7.7M
  3. RheEnergiseRheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative HighUnited Kingdom$6.3M
  4. LevistorLevistor 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

  1. Modo EnergyModo Energy is an energy asset analysis platform that provides users with data, research, and benchmarking tools for energy storage.United Kingdom$50M
  2. Decade EnergyDecade Energy develops energy storage, charging, and software solutions that secures power for electric fleets at the lowest possible cost.France$26M
  3. InbalanceWe 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.

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