Top Clean Energy Companies
217 Clean Energy companies, sorted by total funding raised.
Arcadia is a climate tech company providing advanced utility data platforms and AI-driven energy ...

Data-driven natural hydrogen exploration company that identifies and produces low-carbon hydrogen...
BETA Technologies manufactures electric VTOL and CTOL aircraft, charging networks, and training f...

Plasma reactor manufacturer for sustainable advanced materials and batteries.
Accelerating the build out of the renewable infrastructure needed to reach net zero

Develops ammonia-to-power systems converting ammonia into hydrogen to provide carbon-free power f...

Nuclear fusion energy company developing compact, low-cost fusion reactors using sheared-flow-sta...

Sun King manufactures and sells solar lanterns and solar home systems to off-grid and under-elect...
Develops ocean-deployed renewable energy platforms with embedded compute to supply low-cost, zero...
Smart electrical panel that adds intelligence and control to home energy management.
AI-first platform connecting homeowners and installers to design, buy, and manage residential sol...

Hydrogen-electric semi-truck developer and energy company.
Ola Electric is India's leading electric vehicle manufacturer, producing electric scooters and mo...
Energy Vault develops utility-scale energy storage solutions including gravity-based, battery, an...
Solar technology company developing high-efficiency silicon wafers to reduce the cost of solar en...
Develops QI stellarators and designs fusion power plants, partnering with utilities and institute...

Manufacturer of TRISO nuclear fuel for advanced reactors, supplying utilities and reactor develop...
EV charging network operator offering free charging at popular commercial locations powered by br...
Heron Power designs solid-state transformers to modernize the electric grid, enabling greater ren...
Oregon-based utility-scale energy storage integrator providing battery systems and management sof...
Develops planar‑coil stellarator fusion systems delivering scalable, zero-emission power using ma...
Israeli startup developing affordable green hydrogen production technology that connects directly...

AI-native geothermal company that uses subsurface data and geoscience to find and develop utility...

Designs, finances, and installs clean energy and efficiency upgrades for building owners and unde...

Solid oxide fuel cell technology and products for distributed electricity and hydrogen generation