Cleantech Startups

Sylvarum develops a Non-Thermal Plasma (NTP) seed treatment that uses controlled electrical discharges to improve germination, reduce seed-borne pathogens, and increase harvest output without chemicals, water, or genetic modification. It serves seed producers and agricultural companies as a chemical-free alternative to fungicide treatments.

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

Syntetica develops chemical recycling technologies to make polymers circular, starting with nylon, turning waste into new materials. The company works on green chemistry and process scale-up for industrial applications.

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

Tan90 manufactures advanced Phase Change Material (PCM) technology for passive temperature control in cold-chain logistics. The solution maintains ±1°C stability for 96+ hours across healthcare, food, dairy, and industrial applications without active cooling.

3 investors

Tanso offers a software platform for corporate and product carbon accounting (Scope 1-3), ESG reporting, and supply chain emissions management, with AI-assisted data collection and audit-proof reports compliant with standards like CSRD, GHG Protocol, and EU Taxonomy. It is used by mid-sized industrial companies in sectors such as machinery, automotive, chemicals, construction, and food.

3 investors

TasmanIon develops rechargeable aluminum-ion batteries positioned as a safer and lower-cost alternative for energy storage. The company operates in the battery technology and energy storage sector.

3 investors

Wildfire develops technology and solutions to help firefighters detect, control, and manage fires more effectively. The company applies decades of pyrotechnics and fire control expertise from entertainment to create tools for professional fire suppression and firefighting operations.

3 investors

TechCross is an engineering and construction company specializing in environmental and energy projects, including marine ballast water treatment systems and green energy infrastructure for the shipbuilding industry.

3 investors

tem builds AI-based transaction infrastructure for buying and selling energy, and operates RED™, an AI-native utility that supplies businesses with traceable renewable electricity at lower cost. It serves business energy customers as well as brokers, consultants, and power generators, aiming to remove wholesale market markups and provide transparent, usage-based billing.

3 investors

TeraWatt Technology develops and mass-produces next-generation lithium-ion batteries designed to be lighter, smaller, more powerful, and safer, operating manufacturing facilities in Japan. The company targets electrification and decarbonization markets, working with energy companies and EV-related partners.

3 investors

Ternary Energy develops electrochemistry-based solutions to provide secure, affordable, emissions-free energy to industrial and urban customers. The company focuses on commercializing its liquid electricity technology for integration within existing operational and regulatory systems.

3 investors

TerraCO2 operates in the climate/cleantech sector, though specific details about the company's core business model are not provided on this page. The page only displays one team member profile.

3 investors

Tether develops software that leverages the battery capacity of electric vehicles to provide grid-connected energy storage, enabling higher renewable energy adoption and reducing fossil fuel dependence.

3 investors

Tetra enables homeowners to transition to clean energy through high-efficiency appliances and related products. The company focuses on making sustainable home energy solutions accessible to residential customers.

3 investors

Thermosphr provides predictive intelligence and real-time control software for building HVAC systems to optimize energy consumption and reduce CO2 emissions. The solution serves facility managers and property operators of commercial buildings and real estate portfolios.

3 investors

ThinkLabs AI builds physics-informed AI digital twins and agents that simulate the electric grid and automate grid planning and operations for utilities and grid operators. Its products cover grid simulation, advanced power flow analyses, and automated interconnection and non-wires solution generation.

3 investors

Tibo Energy provides an autonomous energy management system (EMS) that forecasts price, weather, and consumption 48 hours ahead and recalculates a control schedule for a site's energy assets—such as EV chargers, solar panels, batteries, and boilers—every five minutes. The hardware-agnostic software connects to existing assets via OCPP, MODBUS, or BMS API and operates within user-defined limits, targeting businesses across sectors as well as installers and energy advisors who resell it.

3 investors

ToZero Solutions develops a proprietary process to recover critical raw materials like lithium and graphite from end-of-life lithium-ion batteries for reintroduction into the supply chain.

3 investors

Transcend develops the Transcend Design Generator (TDG), generative design software that uses rules-based automation to produce engineering-grade design packages—3D models, drawings, and documentation—for water, power, and wastewater infrastructure projects. It serves utilities, engineering consulting firms (AECs), and equipment manufacturers (OEMs) to automate early-stage design and evaluate multiple options faster.

3 investors

Traverse automates tedious engineering tasks and processes for civil, mechanical, and electrical engineers through software, artificial intelligence, and user interface design, enabling expert engineers to work significantly faster. The company serves engineering firms and professionals in the renewable energy and power generation sectors.

3 investors

Trucksters operates long-haul road freight using a relay system, where drivers hand off sensorized trailers at monitored relay points so cargo keeps moving without waiting for mandatory driver rest periods. It serves companies shipping full truckloads, aiming to cut delivery times while improving drivers' work-life balance.

3 investors