Top 130 Energy Storage startups
Nov 01, 2025 | By Alexander Gillet | 27 |
These startups develop new energy storage technologies such as advanced lithium-ion batteries, gravity storage, compressed air energy storage (CAES), hydrogen storage, etc
1
Country: USA | Funding: $431.2M
ESS is a leading provider of long-duration energy storage solutions ideally suited for C&I, utility, microgrid and off-grid applications. Using food-grade, earth-abundant elements like iron, salt, and water for the electrolyte, its innovative iron flow battery system is changing how the industry deploys energy storage.
ESS is a leading provider of long-duration energy storage solutions ideally suited for C&I, utility, microgrid and off-grid applications. Using food-grade, earth-abundant elements like iron, salt, and water for the electrolyte, its innovative iron flow battery system is changing how the industry deploys energy storage.
2
Country: Norway | Funding: $71.4M
Corvus designs, engineers and manufactures a proprietary advanced lithium energy-storage technology that can provide sustained power to hybrid and full-electric heavy-industrial equipment.
Corvus designs, engineers and manufactures a proprietary advanced lithium energy-storage technology that can provide sustained power to hybrid and full-electric heavy-industrial equipment.
3
Country: Israel | Funding: $65.1M
Brenmiller Energy, based on its unique storage technology, provides sustainable energy solutions to the Distributed Generation market.
Brenmiller Energy, based on its unique storage technology, provides sustainable energy solutions to the Distributed Generation market.
4
Country: USA | Funding: $29.3M
GoodPeak is a utility-scale battery energy storage platform that offers energy storage development pipeline.
GoodPeak is a utility-scale battery energy storage platform that offers energy storage development pipeline.
5
Country: USA | Funding: $18.1M
Enact’s platform enables remote design, sales proposals and project management for solar storage, as well as improve end-customer engagement
Enact’s platform enables remote design, sales proposals and project management for solar storage, as well as improve end-customer engagement
6
Country: USA | Funding: $14.3M
Quino Energy manufactures batteries that uses specially designed reactants called quinones that are dissolved in water.
Quino Energy manufactures batteries that uses specially designed reactants called quinones that are dissolved in water.
7
Country: USA | Funding: $3.8B
Recurrent Energy provides distributed solar power that makes renewable energy a practical choice for large scale energy users.
Recurrent Energy provides distributed solar power that makes renewable energy a practical choice for large scale energy users.
8
Country: UK | Funding: $2.9B
Zenobe Energy is the largest independent owner and operator of battery storage in the UK. It buys and manages grid-scale batteries for its commercial customers, such as utilities and electric-vehicle operators.
Zenobe Energy is the largest independent owner and operator of battery storage in the UK. It buys and manages grid-scale batteries for its commercial customers, such as utilities and electric-vehicle operators.
9
Country: USA | Funding: $2.3B
Bloom Energy offers on-site power generation systems that can use a wide variety of inputs to generate electricity.
Bloom Energy offers on-site power generation systems that can use a wide variety of inputs to generate electricity.
10
Country: Canada | Funding: $2.3B
Hydrostor is a developer of Advanced Compressed Air Energy Storage (A-CAES), a long-duration, emission-free, cost-effective energy storage.
Hydrostor is a developer of Advanced Compressed Air Energy Storage (A-CAES), a long-duration, emission-free, cost-effective energy storage.
11
Country: USA | Funding: $1.7B
Eos produces cost effective energy storage solutions that are less expensive than other battery technologies.
Eos produces cost effective energy storage solutions that are less expensive than other battery technologies.
12
Country: USA | Funding: $1.6B
Form Energy is developing a brand new class of ultra-low cost, long duration energy storage systems. With these new systems, renewables can be made fully firm and dispatchable year-round, and transmission capacity can be expanded without the need for new wires.
Form Energy is developing a brand new class of ultra-low cost, long duration energy storage systems. With these new systems, renewables can be made fully firm and dispatchable year-round, and transmission capacity can be expanded without the need for new wires.
13
Country: USA | Funding: $1.2B
Group14 Technologies is a battery storage technology company that develops silicon-carbon composite materials for lithium-ion markets.
Group14 Technologies is a battery storage technology company that develops silicon-carbon composite materials for lithium-ion markets.
14
Country: USA | Funding: $1.1B
Longroad Energy, focused on wind, solar and storage project development
Longroad Energy, focused on wind, solar and storage project development
15
Country: Germany | Funding: €918M
SunFire provides liquid fuels and combustibles. It offers petrol and diesel from carbon dioxide and water by coupling renewable energy, as well as kerosene, waxes, methanol, and methane/synthetic natural gas. The company also allows storage of renewable electrical power in liquid fuels with storage, loading, and transport capabilities.
SunFire provides liquid fuels and combustibles. It offers petrol and diesel from carbon dioxide and water by coupling renewable energy, as well as kerosene, waxes, methanol, and methane/synthetic natural gas. The company also allows storage of renewable electrical power in liquid fuels with storage, loading, and transport capabilities.
16
Country: USA | Funding: $737.6M
Stem pairs artificial intelligence with energy storage to help organizations automate energy cost savings and protect against changing rates.
Stem pairs artificial intelligence with energy storage to help organizations automate energy cost savings and protect against changing rates.
17
Country: USA | Funding: $525M
Fluence makes energy storage technology solutions and services.
Fluence makes energy storage technology solutions and services.
18
Country: USA | Funding: $479.2M
NineDot Energy creates innovative energy solutions that make the urban grid cleaner, more resilient and less costly. It wants to turn underused properties into community battery-farm projects.
NineDot Energy creates innovative energy solutions that make the urban grid cleaner, more resilient and less costly. It wants to turn underused properties into community battery-farm projects.
19
Country: Switzerland | Funding: $458M
Energy Vault SA offers ground-breaking energy storage technology utilizing fundamental principles of science to deliver a storage solution.
Energy Vault SA offers ground-breaking energy storage technology utilizing fundamental principles of science to deliver a storage solution.
20
Country: UK | Funding: $445.5M
Highview Power’s CRYOBattery delivers, clean, reliable, and cost-efficient long-duration energy storage to enable a 100% renewable energy future. It is storing energy in “liquid air”—when you compress a gas enough, it turns liquid
Highview Power’s CRYOBattery delivers, clean, reliable, and cost-efficient long-duration energy storage to enable a 100% renewable energy future. It is storing energy in “liquid air”—when you compress a gas enough, it turns liquid

























