Market map · Worldwide

Energy storage market map

185 energy storage startups worldwide that have raised money in rounds we track, placed in 6 segments by what each says it does. Together they have raised $17B; the biggest segment is battery storage projects, with 128 companies.

185startups on the map
6segments
$17Braised between them
Battery storage projectsmost funded segment

Battery storage projects

128

+104 more

Thermal storage

25

+1 more

Storage software

10

Mechanical storage

9

Flow batteries

7

Metal-air batteries

6

Segment by segment

Battery storage projects

128 startups · $15B raised

  1. CleneraClenera is a privately-held renewable energy company acquires, develops, builds and manages utility-scale solar farms and energy storage.United States$2.9B
  2. Akaysha EnergyAkaysha Energy offers full-cycle development for projects including Battery Energy Storage Systems (BESS) and renewable energy.Australia$1.5B
  3. Fidra EnergyFidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system.United Kingdom$804M
  4. Rezolv EnergyRezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic.Romania$763M
  5. Primergy SolarPrimergy Solar is a developer, owner and operator focused on both distributed and utility scale solar PV and battery storage projects.United States$760M
  6. Maxwell PowerMaxwell Power is a renewable energy company that installs solar panels.United States$750M
  7. EelpowerEelpower is a battery storage developer that operates energy storage solutions.United Kingdom$682M
  8. Zenobe EnergyZenobe Energy manufactures battery storage assets for electric bus operators, utilities, and industrial and commercial businesses.United Kingdom$515M

Thermal storage

25 startups · $1.1B raised

  1. ElvyElvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.Sweden$595M
  2. SolarReserveSolarReserve, a venture-backed renewable energy company, focuses on advanced solar thermal storage technology.United States$182M
  3. Ice EnergyIce Energy is a clean energy technology company based in Santa Barbara, California, with a distribution center in Costa Mesa.United States$132M
  4. ExowattExowatt is a renewable energy company based in Miami, Florida, founded in 2023.United States$50M
  5. Fourth PowerFourth Power is an innovative energy technology company based in Cambridge, Massachusetts.United States$39M
  6. EPYRIndustrial heat represents 25% of global energy consumption and remains one of the hardest sectors to decarbonize, with 80% still France$20M
  7. MGA ThermalMGA Thermal is an Australian clean energy company focused on large-scale, long-duration thermal energy storage solutions.Australia$12M
  8. SunampSunamp is a company that provides industrial and residential heat battery storage systems.United States$8.1M

Storage software

10 startups · $241M raised

  1. On.EnergyOn.Energy is an energy storage developer that offers analytics and AI-powered energy management software.United States$78M
  2. Modo EnergyModo Energy is an energy asset analysis platform that provides users with data, research, and benchmarking tools for energy storage.United Kingdom$50M
  3. QuartuxQuartux designs build and operate energy storage systems with intelligent software.Mexico$50M
  4. CPowerCPower is an energy company that specializes in energy storage, clean energy, and peak demand management.United States$28M
  5. Decade EnergyDecade Energy develops energy storage, charging, and software solutions that secures power for electric fleets at the lowest possible cost.France$26M
  6. InbalanceWe use machine learning to accurately forecast electricity prices.Lithuania$3.4M
  7. Alpha GridAlpha Grid is a software development company based in Palo Alto, California, founded in 2020.United States$2.5M
  8. Blue Whale EnergyBlue Whale Energy is a Singapore-based virtual power plant company that simplifies energy storage for businesses.Singapore$2.0M

Mechanical storage

9 startups · $93M raised

  1. HydrostorHydrostor is a Canadian energy storage company based in Toronto, founded in 2010.Canada$37M
  2. VyconVycon is a manufacturer of technologically advanced flywheel energy storage systems.United States$18M
  3. Green GravityGreen Gravity is an Australian clean technology company founded in 2021, based in North Wollongong, New South Wales.Australia$9.0M
  4. Sizable EnergySizable Energy is an Italian startup focused on long-duration energy storage by adapting pumped hydro technology for offshore use Italy$8.0M
  5. StorelectricStorelectric is a UK-based company founded in 2013, specializing in large-scale, long-duration green energy storage solutions.United Kingdom$7.7M
  6. RheEnergiseRheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative HighUnited Kingdom$6.3M
  7. QneticQnetic is a renewable energy startup based in New York, founded in 2021.United States$5.1M
  8. LevistorLevistor is a UK-based cleantech company founded in 2021, specializing in high-power, short-duration energy storage systems.United Kingdom$2.6M

Flow batteries

7 startups · $231M raised

  1. Primus PowerPrimus Power manufactures big batteries for the Smart Grid and scalable energy storage in a Zinc Bromine flow battery.United States$139M
  2. VoltStorageVoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology.Germany$33M
  3. GEGuorun Energy StorageGuorun Energy Storage focuses on the manufacture of all-vanadium flow battery equipment and diaphragm materials for flow batteries.China$28M
  4. RFC PowerRFC Power is a global provider of long-duration energy storage solutions, focused on developing a low-cost hydrogen-manganese hybrUnited Kingdom$15M
  5. Sinergy FlowSinergy Flow is a Milan-based DeepTech startup founded in 2022, specializing in low-cost, sustainable redox flow batteries (RFBs) Italy$8.3M
  6. StorTeraStorTera Ltd is an Edinburgh-based company specializing in long-duration energy storage solutions.United Kingdom$6.0M
  7. Rivus BatteriesRivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019.Sweden$2.9M

Metal-air batteries

6 startups · $122M raised

  1. Ore EnergyOre Energy is a Dutch climate technology startup founded in 2022 and spun out of TU Delft in 2023.Netherlands$43M
  2. e-Zince-Zinc is an energy storage company based in Toronto, Canada, focused on developing zinc-based long-duration energy storage solutions.Canada$31M
  3. ZincFiveZincFive provides energy storage and delivery solutions, designing and supplying nickel-zinc (NiZn) battery systems.United States$29M
  4. ViZn Energy SystemsViZn Energy Systems is an international energy storage equipment and engineering company founded in 2009, originally as Zinc Air, Inc.United States$10M
  5. EnerpolyEnerpoly is a next-generation energy storage technology company pioneering the zinc-ion battery chemistry.Sweden$8.4M
  6. MEINE ElectricMeine Electric is APAC's first iron-air LDES innovator, building affordable, 16/24 hour long-duration storage to turn intermittentIndia$750K

How this map is made. Every startup here has raised money in rounds we track. 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
Cybersecurity817 startups · 9 segments · $33BAgritech719 startups · 7 segments · $15BHR software664 startups · 8 segments · $13BCFO tech stack564 startups · 6 segments · $19BSocial and dating apps486 startups · 5 segments · $4.1BSupply chain tech472 startups · 7 segments · $32B

Who backs energy storage?

Open any company for its rounds and investors, or search the investors behind these startups in the app, with filters, lists and exports.

Find their investorsTop lists