1
Country: USA | Funding: $4.9B
Recurrent Energy, a subsidiary of Canadian Solar Inc. (global renewable energy company) that is building one of the world's largest and most geographically diversified platforms for developing, owning and operating solar and energy storage projects. It is a leading global developer, owner and operator of solar and energy storage systems, with over 14 GW of project capacity under long-term operation and maintenance agreements.
Recurrent Energy, a subsidiary of Canadian Solar Inc. (global renewable energy company) that is building one of the world's largest and most geographically diversified platforms for developing, owning and operating solar and energy storage projects. It is a leading global developer, owner and operator of solar and energy storage systems, with over 14 GW of project capacity under long-term operation and maintenance agreements.
2
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.
3
Country: Canada | Funding: $2.3B
Hydrostor is a creator of Advanced Compressed Air Energy Storage (A-CAES) - long-duration, emission-free, economical energy storage. Its method is as simple as it is effective: When surplus power is available on the grid, Hydrostor directs it through turbines, transforms it to compressed air and pump it into massive underground caverns. Once in the cavern, it is retained as potential energy. When the grid requires that power back, the storage straightforwardly inverts the process. Adiabatic compression reuses heat for efficiency, while hydrostatic control guarantees stable pressure, decreasing footprint and enabling flexible siting. The company declares delivery of up to 500MW for 8 hours and project lifetime up to 50+ years.
Hydrostor is a creator of Advanced Compressed Air Energy Storage (A-CAES) - long-duration, emission-free, economical energy storage. Its method is as simple as it is effective: When surplus power is available on the grid, Hydrostor directs it through turbines, transforms it to compressed air and pump it into massive underground caverns. Once in the cavern, it is retained as potential energy. When the grid requires that power back, the storage straightforwardly inverts the process. Adiabatic compression reuses heat for efficiency, while hydrostatic control guarantees stable pressure, decreasing footprint and enabling flexible siting. The company declares delivery of up to 500MW for 8 hours and project lifetime up to 50+ years.
4
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.
5
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.
6
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.
7
Country: Switzerland | Funding: $1.1B
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.
8
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
9
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.
10
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.
11
Country: USA | Funding: $654.2M
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.
12
Country: USA | Funding: $525M
Fluence makes energy storage technology solutions and services.
Fluence makes energy storage technology solutions and services.
13
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
14
Country: USA | Funding: $431.2M
ESS creates long-duration energy storage (LDES) systems ideal for AI data centers, commercial and industrial facilities, utilities, microgrids and off-grid applications. They utilize an innovative iron-flow flow battery system, that uses natural elements such as iron, salt and water as electrolytes. Iron Flow technology provides unlimited cycles with zero capacity degradation over a 25-year design life. This means the batteries can be charged and discharged several times a day. ESS's gigawatt energy storage system can be deployed in months, not years. With energy storage for up to 22 hours, ESS solutions enable intermittent energy to provide baseload power. Honeywell is a major investor.
ESS creates long-duration energy storage (LDES) systems ideal for AI data centers, commercial and industrial facilities, utilities, microgrids and off-grid applications. They utilize an innovative iron-flow flow battery system, that uses natural elements such as iron, salt and water as electrolytes. Iron Flow technology provides unlimited cycles with zero capacity degradation over a 25-year design life. This means the batteries can be charged and discharged several times a day. ESS's gigawatt energy storage system can be deployed in months, not years. With energy storage for up to 22 hours, ESS solutions enable intermittent energy to provide baseload power. Honeywell is a major investor.
15
Country: USA | Funding: $420.1M
EnerVenue provides metal-hydrogen batteries for large-scale renewable and storage applications.
EnerVenue provides metal-hydrogen batteries for large-scale renewable and storage applications.
16
Country: USA | Funding: $390M
Our Next Energy is a developer of innovative energy storage solutions to expand access to sustainable power.
Our Next Energy is a developer of innovative energy storage solutions to expand access to sustainable power.
17
Country: UK | Funding: £287M
Field is a renewable energy company aiming to accelerate the build-out of renewable infrastructure needed to reach net zero. It is building battery storage projects across the UK
Field is a renewable energy company aiming to accelerate the build-out of renewable infrastructure needed to reach net zero. It is building battery storage projects across the UK
18
Country: USA | Funding: $360M
Powin Energy is a market leader in the manufacturing and development of energy storage technology used in stationary. Powin buys battery cells and hooks them up with proprietary software controls and ancillary equipment to produce full-fledged power plants. It competes in the upper echelons of the energy storage integration market with the likes of Tesla, Fluence and Wärtsilä.
Powin Energy is a market leader in the manufacturing and development of energy storage technology used in stationary. Powin buys battery cells and hooks them up with proprietary software controls and ancillary equipment to produce full-fledged power plants. It competes in the upper echelons of the energy storage integration market with the likes of Tesla, Fluence and Wärtsilä.
19
Country: USA | Funding: $357.5M
FlexGen designs and integrates storage solutions and the software platform that is enabling today’s energy transition.
FlexGen designs and integrates storage solutions and the software platform that is enabling today’s energy transition.
20
Country: Israel | Funding: $347.7M
Nostromo Energy designed a water-based energy storage system that is challenging the current BTM energy storage landscape.
Nostromo Energy designed a water-based energy storage system that is challenging the current BTM energy storage landscape.
