Energy Startups
4,798 companies tagged Energy, with their investors and founders.
Servato develops hardware, software, and predictive analytics for critical infrastructure monitoring and maintenance, including a Platform-as-a-Service that predicts system failures and an Adaptive Charging feature that extends telecom battery life. It serves broadband providers, telecom operators, and utilities in the United States.
3 investors
ShineFusion develops fusion energy technology, pursuing a step-by-step commercialization approach that generates revenue from intermediate applications to fund progress toward clean fusion power.
3 investors
Skeleton Technologies manufactures power systems for AI data centers, including UPS units, peak load shaving capacitors, and battery backup systems based on proprietary supercapacitor technology. The company serves AI infrastructure operators globally with hardware and software solutions designed for dynamic GPU workload management.
3 investors
Smart Energy Water (SEW) provides digital customer experience, workforce experience, and AI/ML analytics platforms designed for energy, water, and gas utilities. The company helps utilities connect with customers and employees through next-generation technologies including artificial intelligence, machine learning, and IoT solutions.
3 investors
Snowfox Discovery is a natural hydrogen exploration company developing technology to locate and unlock naturally occurring hydrogen in the geological subsurface. It aims to supply natural hydrogen as a feedstock for ammonia, fertiliser, and metal and fuel refining to support the energy transition.
3 investors
SOLARCYCLE provides recycling services for solar farm components including solar panels, inverters, transformers, cables, and other power electronics, diverting waste from landfills and recovering metals such as silver, copper, gold, and lead. It serves solar companies in the US with certified recycling, refurbishment, and reporting for clean energy circularity.
3 investors
Solarize offers a cloud-based, API-first billing platform for decentralized energy business models such as tenant electricity (Mieterstrom), community building supply, energy sharing, and on-site PPAs. It serves utilities, municipal energy providers (Stadtwerke), property owners, and energy contractors, primarily in Germany.
3 investors
SolfΓ‘cil is a Brazilian solar energy company that provides financing, photovoltaic equipment distribution, and technology tools for solar installers across the country. It serves a network of solar integrator partners with equipment such as panels, inverters, batteries, and monitoring systems for residential, commercial, industrial, and agricultural projects.
3 investors
Soteria operates a battery safety consortium and a Battery Safety IP Exchange, licensing patented cell components, materials, detection methods, and mitigation strategies to reduce fire risk in lithium-ion batteries. It connects manufacturers with suppliers and safety technologies that are compatible with most lithium-ion cell formats across multiple industries.
3 investors
Sourceful Energy finances, installs, and operates behind-the-meter battery storage and optimization software for commercial property owners and utilities, helping them reduce demand charges and participate in electricity markets. It also offers a white-label real-time energy monitoring platform for utilities, and operates in Sweden with expansion planned across the Nordics and Europe.
3 investors
ERMCO manufactures low-voltage distribution power transformers and related power solutions for the utility, renewable energy, commercial, and industrial markets, shipping across the US and Canada. It also invests in R&D for microgrids and emphasizes recycled raw materials and energy-efficient manufacturing.
3 investors
Spiritus develops direct air capture (DAC) technology to remove carbon dioxide from the atmosphere and sequester it, providing a scalable and modular system for carbon dioxide removal at lower cost.
3 investors
SpotLight provides sparse seismic monitoring for carbon capture and storage (CCS/CCUS) projects, using a single seismic source and receiver to detect subsurface changes such as CO2 presence, pressure, and fluid movement. It serves reservoir and production engineers with predictive maintenance and dynamic subsurface detection using standard acquisition equipment.
3 investors
Starlight Engine develops fusion energy technology and aims to demonstrate commercial fusion power generation using advanced superconducting tokamak (FAST) technology. The company integrates research and industry expertise to advance fusion energy toward industrial implementation and societal deployment, with focus on Japan-origin technology for global markets.
3 investors
SteamaCo provides a cloud-based, interoperable IoT smart metering (IoT-AMI) platform and turnkey solution for electricity utilities and grid operators to manage prepaid metering, monitor usage and theft, and improve revenue collection. It uses AI-driven theft detection and technical loss monitoring to help utilities reduce losses and attract investment.
3 investors
suena energy provides AI-based software, including an "Energy Trading Autopilot" and battery digital twin, to optimize and trade electricity from battery storage systems and renewable energy assets. It serves energy asset operators and utilities, using a multi-market strategy to maximize revenues and extend battery lifespan, with a focus on the German/European electricity markets.
3 investors
Sunfire manufactures alkaline and solid oxide electrolyzers for green hydrogen production, serving industrial customers transitioning away from fossil fuels.
3 investors
Surrey H2 is developing an advanced thermochemical hydrogen generation process, combining thermochemistry and electrochemistry to produce green hydrogen at low energy cost. It targets industrial-scale and modular applications in ammonia, chemicals, steel, and fuel production.
3 investors
Swift Charge provides fully managed electric vehicle charging for property owners and businesses, handling installation and operation of EV chargers. It offers flexible financing plans ranging from zero upfront cost to full ownership.
3 investors
Switched Source develops medium voltage power electronics devices, such as its Tie Controller and Phase-EQ products, that automate dynamic re-balancing of load across phases and distribution circuits for electric distribution utilities. Its hardware helps power system operators improve grid reliability, power quality, efficiency, and capacity for hosting renewable and distributed energy resources.
3 investors
Sylvatex develops battery materials manufacturing technology (SVX) aimed at making lithium-ion battery production more efficient and lower-cost for western supply chains. Its process targets applications including energy storage, defense systems, and electric vehicles.
3 investors
Tagaddod collects and aggregates renewable feedstocks such as used cooking oil, acid oils, and waste oils and fats, supplying them to the global biofuels industry through digital collection platforms and traded supply chains. It serves households, HoReCa, and businesses and operates across Africa, Asia, and Europe, with collection in Egypt and Jordan and storage and distribution in the Netherlands.
3 investors
Elum Energy develops monitoring and control products (including the ePowerControl controller and ePowerMonitor supervision software) for solar power plants. It serves EPCs and IPPs, helping them integrate renewables onto electricity grids while managing plant performance and grid stability.
3 investors
TaiSan develops sodium batteries and works with operators, OEMs and research institutions to deploy them into vehicle fleets. The company is focused on energy storage and clean mobility technologies in the deep-tech and climate sector.
3 investors










