Energy Startups
4,799 companies tagged Energy, with their investors and founders.
Crusoe builds energy-first AI infrastructure, using innovative and renewable energy sources to power hyperscale AI factories and a cloud platform for AI workloads. The company serves customers building and deploying AI applications at scale.
37 investors
Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
30 investors
Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour. The company serves the global energy market and is focused on enabling virtually unlimited clean power generation.
25 investors
Base Power provides residential battery systems and retail electric provider services to customers in Texas. The company develops battery storage solutions certified under UL safety standards and offers electricity supply services through its licensed retail electric provider operations.
22 investors
Gecko Robotics builds robots equipped with sensors and cameras to inspect industrial structures like boilers for structural defects, replacing dangerous manual inspections at height. The company serves industrial facilities that need to inspect large equipment and infrastructure.
20 investors
Radiant Nuclear develops Kaleidos, a portable nuclear microreactor designed to replace diesel generators for remote locations and provide resilient backup power to hospitals, datacenters, and military installations.
19 investors
Blockdaemon provides blockchain infrastructure services including staking, node deployment, APIs, and wallet management across 60+ protocols for financial institutions and developers. The company serves institutional customers globally with secure, scalable access to blockchain networks.
18 investors
Redwood Materials deploys large-scale energy storage systems for data centers and grid power while recycling batteries to recover critical minerals like lithium, nickel, cobalt, and copper as a domestic source of these materials.
16 investors
Fervo Energy develops next-generation geothermal technology using advanced drilling and sensing techniques to unlock carbon-free, 24/7 power generation in previously uneconomic locations.
15 investors
Form Energy develops and manufactures low-cost, multi-day iron-air battery systems for long-duration energy storage on the electric grid, serving utilities and project developers primarily in the United States. Founded in 2017, it has begun expanding internationally with its first project in Ireland.
15 investors
Arcadia is an energy intelligence platform that helps businesses manage utility bills, procure energy, and track sustainability through a single interface. The company serves Fortune 2000 enterprises with multiple locations and significant energy spending.
14 investors
Omnidian provides post-installation care and performance protection for solar and clean energy investments, focusing on the service experience after systems are installed. It serves solar system owners and clients seeking to protect and maintain their clean energy assets.
13 investors
Zeno develops nuclear batteries that convert heat from decaying radioisotopes into electricity for extended-duration applications in space and deep-sea environments where conventional power sources are inadequate. The batteries are designed for frontier missions requiring reliable power without refueling or maintenance for years.
13 investors
BigID is a data security platform that discovers, classifies, and governs enterprise data across cloud, SaaS, and unstructured environments to enable privacy, security, and compliance. It serves enterprises managing data privacy, security, and governance requirements.
12 investors
Cowboy Space builds a satellite constellation system that provides power and compute infrastructure in low Earth orbit to serve artificial intelligence applications. The integrated system uses solar power harvested in orbit to run GPU data centers, addressing power grid constraints limiting AI infrastructure expansion on Earth.
12 investors
EarthGrid uses patented plasma-powered boring machines to tunnel and excavate through hard rock via thermal spallation, without drilling chemicals, at lower cost and faster speeds than traditional methods. The company aims to build underground infrastructure and a more resilient electrical grid ("SuperGrid").
12 investors
Gridware provides real-time monitoring and visibility of electrical grid conditions through sensors deployed on power lines, enabling utilities and line workers to detect and respond to problems faster. The platform serves electric utilities and their field teams to improve grid reliability, reduce outage response time, and prevent wildfire ignition.
12 investors
Pacific Fusion is developing a high-gain pulsed magnetic inertial fusion system designed to achieve net facility gain, using a modular fast electric pulser, a meter-scale fusion chamber, and small fuel containers. The company aims to produce affordable, on-demand fusion power to meet global energy demand and address climate change.
12 investors
Panthalassa is building a planetary-scale clean energy platform designed to meet global energy demand through offshore deployment with zero emissions at ultra-low cost.
12 investors
Phaidra develops an AI control platform that uses reinforcement learning to optimize energy efficiency and operational performance in data centers and AI factories. The platform enables autonomous, self-learning systems to manage complex interconnected infrastructure like cooling systems, power management, and workload distribution.
12 investors
Phoenix Tailings develops clean technology for rare earth element refining in the United States. The company operates across the full value chain, from mining and recycling to separation and magnet production.
12 investors
Proxima develops stellarator fusion power plants designed to deliver clean, grid-ready electricity. The company builds on stellarator research to commercialize fusion energy for global power generation.
12 investors
Valar Atomics is developing and scaling high-temperature gas nuclear reactors for grid-independent applications including hydrogen production, data center power, and clean hydrocarbon fuel production.
12 investors
Aerones provides robotic inspection, cleaning, coating, and repair services for wind turbine blades. The company serves wind park operators in the renewable energy sector.
11 investors