Top Energy companies

TerraPower builds sodium-cooled fast reactors and molten-chloride fast reactors for clean baseload power.

Base Power is a licensed retail electricity provider that bundles home battery systems with monthly energy service to form a grid-stabilizing virtual power plant in Texas.

Form Energy develops iron-air batteries capable of multi-day energy storage for grid applications.

Sila Nanotechnologies produces silicon-dominant anode materials for lithium-ion batteries to increase energy density.

TAE Technologies pursues aneutronic fusion using a field-reversed configuration and proton-boron fuel.

Group14 Technologies produces silicon-carbon composite anode materials for lithium-ion batteries with higher energy density.

X-energy develops high-temperature gas-cooled pebble-bed reactors and TRISO fuel for advanced nuclear plants.

Fluence Energy delivers utility-scale battery energy storage systems and software for grid operators globally.

Helion builds pulsed non-ignition fusion systems using field-reversed configuration and direct electricity conversion.

Pacific Fusion develops pulsed-power driven inertial confinement fusion for commercial energy production.

Fervo Energy develops enhanced geothermal systems using horizontal drilling and fiber-optic monitoring for clean baseload power.

Mainspring Energy builds linear generator systems that convert natural gas and renewable fuels into electricity with low emissions.

Electric Hydrogen manufactures high-efficiency modular electrolyzers for green hydrogen production at industrial scale.

Nextpower (formerly Nextracker) produces intelligent solar trackers and integrated power technology for utility-scale solar farms worldwide.

QuantumScape develops solid-state lithium-metal batteries for electric vehicles with higher energy density.

Stem delivers AI-driven energy storage software and virtual power plant services for commercial and industrial customers.

Cypress Creek Renewables develops, owns, and operates utility-scale solar and storage projects across the US.

Lunar Energy designs integrated home battery and energy management systems for solar-plus-storage installations.

Twelve transforms CO₂, water, and renewable electricity into sustainable fuels and chemicals via electrocatalysis.

NuScale designs and commercializes light-water small modular reactors with NRC-certified technology.

Zap Energy pursues sheared-flow-stabilized Z-pinch fusion without magnets or lasers for compact reactors.

Oklo develops fast-neutron microreactors designed to use recycled nuclear fuel and deliver distributed power.