Energy Startups

Wattch provides a software and hardware platform for monitoring, intelligence, and control of renewable energy assets such as solar and storage, including a Hybrid SCADA system, digital twin analytics, and AI-optimized dispatch. It serves independent power producers, developers, and utilities managing distributed energy portfolios.

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

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 delivers AI-powered water intelligence for hydropower operators and traders, using satellite data and machine learning to provide daily snow water equivalent estimates and streamflow forecasts across multiple time horizons. The platform helps hydropower facilities optimize generation scheduling, reduce operational risk, and improve market positioning decisions.

2 investors

Willo develops wireless power technology that transmits energy over the air in a 360° field without cables, line of sight, or alignment restrictions, based on a departure from conventional induction theory. It targets applications across consumer electronics, industrial automation and robotics, smart buildings, healthcare, logistics, defence and aerospace, and IoT, and offers its technology through licensing.

2 investors

2 investors

Windlab develops, delivers, and owns renewable energy projects, using CSIRO-developed wind resource identification technology to find and build wind energy sites across Australia. It manages projects across the full lifecycle, working with Traditional Owners, landholders, and regional communities.

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

Woodland Biofuels uses biomass gasification followed by catalytic reactions to convert biomass waste into carbon-negative hydrogen, renewable natural gas, methanol, or ethanol. It operates a demonstration plant running an integrated biomass-to-biofuel process and is developing large-scale carbon-negative renewable natural gas facilities.

2 investors

Wood Mackenzie provides data, analytics, and market intelligence for the energy and natural resources industry, covering the energy transition supply chain, commodities, metals and mining, and power trading. It offers subsurface data, valuation models, and access to market analysts to help decision-makers assess risk and track industry trends.

2 investors

Wright Electric develops high-power-density power systems and inverter generators for defense, aerospace, commercial, and industrial applications. The company serves defense users requiring distributed power for advanced electronic warfare and airborne systems, as well as commercial customers in data centers, oil and gas, and construction.

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

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

XOS Trucks builds medium and heavy duty electric vehicles for commercial and government fleets, along with battery energy storage and power conversion systems. It also offers mobile energy storage units and DC fast chargers for on-demand fleet charging.

2 investors

Xurya develops renewable energy solutions, generating green electricity while creating environmental benefits and green jobs in communities.

2 investors

Zap Energy develops advanced nuclear systems built on a shared platform combining fission and fusion, delivering modular reactors that produce firm, carbon-free electricity and process heat. Its systems target markets such as AI data centers, remote and mining operations, industrial heat, logistics electrification, and defense installations.

2 investors

Zaphiro develops software for monitoring and automating electrical networks used by public utilities and grid operators, with emphasis on cybersecurity and integration with renewable energy sources to support the energy transition.

2 investors

Zavod TATCABLE is a Russian manufacturer of cable and wire products, producing cables with maximum cross-sections up to 2,500 mm² and voltages up to 500 kV. Based in Tatarstan, it offers turnkey project support including design consulting, technical calculations, custom equipment development, and personnel training.

2 investors

Zero provides home electrification services, offering guidance and installation for upgrades such as heat pumps, electrical panel upgrades, insulation, and high-efficiency appliances for homeowners. It uses a virtual process and handles utility paperwork (e.g. with Xcel) to help residents reduce energy bills and support EV charging.

2 investors

Zeta Energy develops and commercializes lithium-sulfur batteries using a proprietary sulfurized-carbon technology that reaches higher energy densities than LFP or NMC chemistries while avoiding the polysulfide shuttle problem. Its batteries rely on abundant, low-cost materials and avoid cobalt, graphite, manganese and nickel to simplify supply chains.

2 investors

Zolar operates an online platform that connects homeowners in Germany with vetted regional installation companies for solar and clean-energy projects, including photovoltaic systems, balcony power plants, wallboxes, and solar storage. It acts as an intermediary matching customers with qualified local specialist firms who provide individual quotes and installation.

2 investors

ZoneFlow Tech develops reactor and process technologies that improve the efficiency of steam methane reforming used to produce hydrogen while reducing associated carbon emissions. Its technologies can be retrofitted to existing steam methane reforming plants serving industrial hydrogen production.

2 investors