Energy storage startup list

We researched 23 energy storage companies in the following list. This number will be kept updating. We categorize them based on the type of technology used to store energy, including:

  • Redox flow battery
  • Thermochemical battery
  • Heat battery
  • Other types

Each company has a brief introduction, followed by “Get details of XXX (company’s name)”. Clicking the company’s name, you will get our research results of the company, including:

  • Technology
  • Patent
  • Technology applications
  • Product
  • Funding
  • Investor
  • Founder

View the following list of startups that we researched:

Redox flow battery

  • Unbound Potential

A Swiss energy storage startup founded in 2023, develops a low-cost membrane-free redox flow battery system for long-term energy storage.

Get details of Unbound Potential >>

  • Sinergy Flow

An Italian energy storage startup founded in 2022, develops zinc-polysulfide rechargeable flow batteries that are environmentally friendly, cheap, and high-energy for stationary energy storage.

Get details of Sinergy Flow >>

  • Salgenx

An American clean tech startup founded in 2022, develops a high-energy and low-cost salt water flow battery without a membrane.

Get details of Salgnex >>

  • Quino Energy

an American energy storage startup founded in 2021, develops redox flow battery technology using non-flammable, low-cost aqueous electrolytes.

Get details of Quino Energy >>

  • XL Batteries

An American energy storage startup founded in 2019, develops organic redox flow battery technology based on cost-effective, non-corrosive, and non-flammable aqueous electrolytes.

Get details of XL Batteries >>

  • VFlowTech

A cleantech company founded in 2018 in Singapore, develops and manufactures low-cost and efficient modular vanadium redox flow batteries for long-duration energy storage solutions

Get details of VFlowTech >>

  • VoltStorage

A German energy storage startup founded in 2016, has developed vanadium redox flow battery technology for renewable energy storage.

Get details of VoltStorage >>

Thermochemical battery

  • Adena Power

An American cleantech company founded in 2022, develops Na-Al solid-state battery technology based on intrinsically safe chemistry and low-cost, sustainable, domestic raw materials.

Get details of Adena Power >>

  • Cache Energy

An American energy storage startup founded in 2022, develops a low-cost thermochemical battery based on the reversible chemical reactions of Ca(OH)₂ dehydration and CaO hydration.

Get details of Cache Energy >>

  • Inlyte Energy

An American energy storage startup founded in 2021, develops and commercializes sodium-iron halide battery technology for renewable energy storage.

Get details of Inlyte Energy >>

  • Avanti Battery

An American energy storage tech startup founded in 2021, develops and commercializes a new type of aluminum-sulfur (Al-S) battery that was discovered at MIT.

Get details of Avanti Battery >>

  • Noon Energy

An American cleantech company founded in 2018, develops low-cost, high-energy density rechargeable flow batteries for renewable energy storage using CO₂ storage medium.

Get details of Noon Energy >>

  • TEXEL Energy Storage

A Swedish energy storage startup founded in 2018, develops a simple, cheap thermochemical battery based on a storage medium of limestone (CaCO₃).

Get details of TEXEL Energy Storage >>

  • Ambri

An American energy storage tech startup founded in 2010, produces liquid metal batteries to store renewable energy from wind and solar power systems for a long time.

Get details of Ambri >>

Heat battery

  • Rondo Energy

An American clean tech startup founded in 2020, has developed a low-cost heat battery to store renewable energy and outputs heat, steam, and/or electricity for industrial applications.

Get details of Rondo Energy >>

  • Antora Energy

An American cleantech company founded in 2017, develops a low-cost heat battery for renewable energy storage and industrial heat applications.

Get details of Antora Energy >>

Other types

  • BTRY

A Swiss cleantech company founded in 2023, develops monolithically stacked solid-state lithium-ion batteries for sensors, smartphones, smartwatches, and drones.

Get details of BTRY >>

  • ONE

An American battery company founded in 2020, develops lithium-ion battery systems with scalable energy capacity.

Get details of ONE >>

  • Energy Dome

An Italian cleantech company founded in 2020, develops CO₂ batteries based on a thermodynamic transformation of CO₂ in a closed thermodynamic process.

Get details of Energy Dome >>

  • EnerVenue

An American battery tech startup founded in 2020, develops nickel-hydrogen batteries that are expected to last about 30 years and 30,000 cycles with very little maintenance required.

Get details of EnerVenue >>

  • Lunar Energy

An American cleantech company founded in 2020, designs and engineers the home battery system for residential PV solutions.

Get details of Lunar Energy >>

  • Ion Storage Systems

An American battery company founded in 2015, develops solid-state lithium-ion batteries that are safer, lighter, and enable tighter packing density for enhanced system performance.

Get details of Ion Storage Systems >>

  • Natron Energy

An American battery tech company founded in 2012, develops high-performance rechargeable sodium-ion batteries using prussian blue electrodes and electrolytes.

Get details of Natron Energy >>

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