Energy Startups
5,967 companies tagged Energy, with their investors and founders.
Warp Solution develops radio frequency (RF) wireless charging technology and non-memory semiconductors including miniature RF power amplifier and high-frequency rectifier components. The company operates as a fabless semiconductor manufacturer serving OEM and ODM customers with customized solutions for long-distance wireless charging applications.
2 investors
WASSHA runs two businesses in areas with unreliable electricity: an Energy-as-a-Service model renting LED lanterns and batteries on a pay-per-use basis with no upfront cost, and a mobility finance business that enables workers to acquire motorbikes through credit screening and daily follow-ups.
2 investors
BYOHM develops bioelectrochemical systems that extract hydrogen and biomethane from wastewater and organic waste, generating net energy positive treatment with up to 10x more energy output than input. The technology targets municipal and industrial wastewater treatment operators seeking to reduce energy costs and recover valuable fuels.
2 investors
WaterSmart provides a digital engagement platform for water, gas, and electric utilities and energy retailers to modernize customer billing, engagement, and data analytics. The platform serves regulated utilities and energy service providers with tools for billing, customer self-service portals, and real-time energy insights.
2 investors
WattAnyWhere develops a 300kW mobile generator that converts renewable ethanol into clean electricity. The company focuses on sustainable energy solutions supporting the energy transition.
2 investors
WATTMORE develops software for energy storage and solar systems, including platforms for EMS controls, monitoring, and forecasting. The company serves solar and storage project developers and operators managing complex grid modernization projects.
2 investors
WattsUp develops software solutions for managing and maintaining electric vehicle chargers. The company serves EV charging infrastructure operators and fleet managers.
2 investors
WaveX develops floating structures for marine wave energy generation, validated through scale model tests and numerical simulation, and is moving toward a large-scale pilot ahead of pre-commercialisation. The company was founded by offshore engineers transferring marine energy skills into the green economy.
2 investors
Wegatech provides complete renewable energy systems for homeowners and landlords, combining photovoltaic panels, battery storage, energy management, heat pumps, and EV wallboxes, along with tenant-electricity (Mieterstrom) concepts for multi-family buildings. Operating in Germany since 2010, it handles consultation, planning, installation, and commissioning as a single-source provider.
2 investors
Wegaw generates high-resolution snow height maps using machine learning and satellite data fusion to support alpine solar farm planning and energy production forecasting. The company provides daily snow cover and snow water equivalent products at up to 2-meter resolution across mountainous regions.
2 investors
Werover develops acoustic sensing technology and AI-powered monitoring platforms that give wind farm operators continuous visibility into turbine blade health, enabling earlier detection of damage and predictive maintenance. Headquartered in London, the company serves the renewable energy industry with operations across Türkiye, Europe, the Middle East, and Australia.
2 investors
Westwood Aerogel develops ambient-dried aerogel insulation technology for commercial applications. The company aims to address sustainability challenges through commercialization of its ZeroTherm™ innovation.
2 investors
Wildgrid develops tools and platforms to enable community ownership and management of clean energy infrastructure, prioritizing equitable access and climate justice in the energy transition.
2 investors
Windlab develops and operates renewable energy infrastructure projects in Australia, focusing on wind energy. The company specializes in identifying, developing, and delivering large-scale clean energy projects while maintaining stakeholder and community engagement.
2 investors
Windscape develops AI-based software solutions that use onboard turbine and external data to improve the operational efficiency, smoothness, and predictability of wind farms. It serves the wind energy sector in the US.
2 investors
Windspire Energy manufactures vertical axis wind turbines ranging from 750 watt to 5kW models for generating clean energy from wind. The turbines are made in Reedsburg, Wisconsin, and are available in custom colors.
2 investors
Witching Hour develops technology to reduce electrical faults that can cause catastrophic wildfires in power grid infrastructure. The solution is designed for utility companies and can be installed on live power lines without requiring expensive mitigation methods like covered conductors or undergrounding.
2 investors
WiTricity develops wireless power transfer technology using magnetically resonant coupling to enable efficient energy transmission over distance without physical wires. The company serves device manufacturers and infrastructure operators seeking cable-free charging solutions for mobile devices and other applications.
2 investors
Woodland produces carbon-negative renewable fuels including hydrogen, natural gas, methanol, and ethanol from waste biomass rather than food sources. The company aims to reduce dependence on oil-derived fuels while achieving significant greenhouse gas emission reductions.
2 investors
Developer of advanced small modular nuclear reactors and fuel technology for clean energy.
2 investors
Xendee offers a platform for designing, modeling, and operating microgrids and distributed energy resources (DERs), covering site screening, proposal generation, power and thermal flow modeling, and AI-powered microgrid control. It serves energy developers, engineers, and facility operators optimizing DER projects for cost, resiliency, and carbon reduction.
2 investors
XEra Energy develops separation and purification methods for processing critical minerals and recycling lithium-ion batteries, targeting regions with gaps in scalable, profitable processing capabilities.
2 investors
XF Technologies develops non-toxic, renewable chemical ingredients made from biomass-derived sugars and alcohols as substitutes for conventional chemicals used in solvents, plasticizers, coatings, personal care, agriculture, and fragrances. Its products are based on a proprietary chemical family and a patented N-Heterocyclic Carbene (NHC) catalysis process for industrial-scale biomass processing.
2 investors
XL Batteries develops organic flow batteries for long-duration, grid-scale energy storage, aimed at improving grid resiliency and supporting decarbonization. Its technology targets utility and grid operators facing rising energy demand from data centers, manufacturing, and electrification.
2 investors












