Cleantech Startups

Dynelectro is a Danish OEM that builds MW-scale reversible solid oxide electrolyser (SOEC) systems for hydrogen production, energy storage, and power generation. Its modular electrolysers (250 kW to 20 MW) support dynamic load-following of renewable energy for industrial decarbonisation and Power-to-X applications.

2 investors

ECAIR provides financing solutions for companies in the energy transition sector, particularly renovation and installation contractors, including advances on MaPrimeRénov' subsidies, renovation credit, CEE premium payouts, and photovoltaic leasing. The French fintech helps installers secure cash flow and turn financing into a sales tool for their residential and business clients.

2 investors

Ecellix develops anode material for lithium-ion batteries that significantly increases capacity compared to traditional graphite, targeting battery manufacturers. The company operates in the energy storage and battery technology sector.

2 investors

Eco-Inject manufactures sustainable single-use autoinjectors for pharmaceutical applications, using a novel design that reduces component count and carbon emissions while maintaining cost parity with conventional devices. The product addresses pharmaceutical companies' environmental commitments and the growing market for home-based self-injection solutions.

2 investors

Ecoat is a French chemical scale-up that develops and markets bio-based binders and resins for the paint, varnish, and coatings industry. It focuses on sustainable, bio-sourced alternatives to petroleum-based solutions to reduce the coatings industry's carbon footprint, distributing across Europe, the USA, and Asia.

2 investors

Ecobot offers an offline-first mobile app (Collector) and web workspace (Manager) for capturing wetland, stream, vegetation, soils, and hydrology field data with GNSS-grade location and AI-assisted plant ID, then generating USACE-ready delineation reports. It serves environmental scientists, biologists, and project managers at consultancies and agencies in the US for aquatic resource delineation and environmental permitting.

2 investors

Ecois.me offers a combined hardware-and-software energy monitoring system that connects a sensor to a home's main electrical panel and uses spectrum and power analysis algorithms to identify individual appliances from total energy consumption. It helps households optimize electricity use and reduce energy spending.

2 investors

Econse develops decentralized wastewater treatment systems designed as compact, lower-cost alternatives to large-scale infrastructure. The systems target communities expanding into new areas to help protect nearby water sources such as lakes, rivers, and streams.

2 investors

ecop develops the Rotation Heat Pump, a patented industrial heat pump using centrifugal force to produce CO2-free heat for decarbonizing industrial processes. The technology targets industrial applications and heat recycling to help companies reduce reliance on fossil fuels.

2 investors

Eddy Grid uses smart algorithms to optimize batteries, solar panels, and wind turbines, and acts as an energy supplier that balances the grid through customers' connections. It serves businesses with renewable energy assets, aiming to make flexible capacity available and renewable generation more profitable, starting in the Netherlands and expanding to Europe.

2 investors

Enkara develops transparent photovoltaic materials and optical technologies, including solar energy windows that turn architectural glass into power-generating surfaces, stackable solar modules for higher power density, and anti-reflective coatings. Its products target the solar energy and optics markets.

2 investors

EdnTech develops technology for growing plants indoors, providing systems that enable users to cultivate food, decorative plants, and living gardens at home.

2 investors

Effy provides energy-efficiency home renovation services in France, focusing on insulation work such as attic/roof insulation, and helps homeowners access government subsidies like MaPrimeRénov'. It offers free online simulations to estimate available financial aid for renovation projects.

2 investors

eFriends operates a peer-to-peer green electricity sharing community in Austria where members produce, sell, share, or consume renewable power at prices they set themselves. It offers a hardware device and a web app for tracking real-time consumption, pricing, and energy origin, serving both private households and businesses.

2 investors

eGreen offers automated, data-driven carbon management and carbon removal solutions for individuals and businesses, built on Web3 technology. It connects users to high-value environmental projects to support carbon removals and the green economy.

2 investors

Einsted builds the Metatron, a modular reactor that uses resonant electrical pulses to split methane (natural gas or biogas) into turquoise hydrogen and solid nanocarbon without combustion, CO₂, or water, and integrates into existing gas infrastructure. It targets industrial operators seeking to decarbonize sectors such as oil & gas, chemicals, cement, and food & beverage, with hydrogen for on-site use or blending and nanocarbon as a commercial co-product.

2 investors

Eion provides enhanced rock weathering carbon removal, using a patented direct measurement approach with before-and-after soil sampling to track carbon removal and soil health across American heartland farmland. It sells permanent carbon removal credits to buyers such as Stripe, serving companies pursuing net zero goals.

2 investors

Ekona Power develops methane pyrolysis technology to produce clean hydrogen and carbon black while reducing greenhouse gas emissions from natural gas. The platform targets global demand for decarbonized fuels and addresses climate mitigation at scale.

2 investors

Ekstera builds scalable Stirling engine generators that convert waste heat and carbon-neutral heat sources — such as furnace exhaust gas, compressor station waste heat, biomass, hydrogen, solar thermal, and geothermal — into on-site electricity. Its systems target industrial facilities including steel mills and remote operations seeking to offset electricity costs.

2 investors

ElectricPe (Wattapp Technologies) operates a retail and service network for electric two-wheelers in India, running physical Mobility Centers, selling low-speed EV scooters, and offering technicians and warranty-backed service. It also provides an app for locating EV charging stations, serving consumers across South India and expanding into Delhi NCR, West India, and Tier-2 cities.

2 investors

Electron provides grid-aware analytics and flexibility market coordination software that helps distribution utilities and network operators make distributed energy resource (DER) flexibility visible, verifiable, and tradeable. Its products, ElectronCompass and ElectronConnect, support utilities in the UK in orchestrating distributed energy for a more flexible, cost-efficient grid.

2 investors

Element3 works to create a domestic supply of critical materials by using existing oil and gas infrastructure and converting waste into usable commodities. The company positions its work as supporting the energy transition, the national supply chain, and the oil and gas industry.

2 investors

Elvy Energy provides residential heat and electricity services in Sweden through a subscription model, installing and managing heat pumps, solar panels, and battery systems for a fixed monthly price covering all utilities and maintenance over a 15-year contract.

2 investors

Emitwise, now part of Green Project Technologies, provides carbon accounting and decarbonization software for businesses to measure and reduce their emissions. The platform is now offered under Green Project.

2 investors