Raised in 2026 · Worldwide

Energy storage startups that raised in 2026

51 energy storage startups raised money in 2026 in rounds we track, $8.7B between them this year. Each sits in the segment that says what it does, ranked by what it raised this year.

51startups on the map
4segments
$8.7Braised between them in 2026
Battery storage projectsmost funded segment

Battery storage projects

39

+15 more

Thermal storage

6

Flow batteries

3

Mechanical storage

3

Segment by segment

Battery storage projects

39 startups · $8.6B 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$1.2B
  3. 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
  4. Maxwell PowerMaxwell Power is a renewable energy company that installs solar panels.United States$750M
  5. NineDot EnergyNineDot Energy develops battery storage sites and other energy solutions.United States$431M
  6. Rezolv EnergyRezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic.Romania$410M
  7. Goshe Energy StorageGoshe Energy Storage develops, constructs, and manages utility-scale energy storage facilities to promote a sustainable energy future.United States$328M
  8. EnerVenueEnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020.United States$300M

Thermal storage

6 startups · $45M raised

  1. EPYRIndustrial heat represents 25% of global energy consumption and remains one of the hardest sectors to decarbonize, with 80% still France$17M
  2. MGA ThermalMGA Thermal is an Australian clean energy company focused on large-scale, long-duration thermal energy storage solutions.Australia$12M
  3. ElvyElvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.Sweden$7.6M
  4. TheStorageTheStorage is a Finnish cleantech startup based in Tampere, focused on developing industrial thermal energy storage systems.Finland$4.2M
  5. Glacies TechnologiesGlacies specializes in seasonal thermal storage, utilizing water's phase change properties to store heat in underground mines.Canada$3.6M
  6. NanolopeNanolope is a Berlin‐based deep‐tech company developing high‐density thermal energy storage materials for buildings and energy systems.Germany$936K

Flow batteries

3 startups · $24M raised

  1. RFC PowerRFC Power is a global provider of long-duration energy storage solutions, focused on developing a low-cost hydrogen-manganese hybrUnited Kingdom$14M
  2. Sinergy FlowSinergy Flow is a Milan-based DeepTech startup founded in 2022, specializing in low-cost, sustainable redox flow batteries (RFBs) Italy$8.3M
  3. Rivus BatteriesRivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019.Sweden$2.3M

Mechanical storage

3 startups · $6.4M raised

  1. QneticQnetic is a renewable energy startup based in New York, founded in 2021.United States$5.1M
  2. LevistorLevistor is a UK-based cleantech company founded in 2021, specializing in high-power, short-duration energy storage systems.United Kingdom$686K
  3. RheEnergiseRheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative HighUnited Kingdom$677K

How this map is made. Every startup here has raised money in rounds we track, and raised in 2026. 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 biggest raisers this year first. Rebuilt nightly; updated 15 November 2026.

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