Latest Climate tech Startup Funding Rounds
Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.
- Rounds
- 410 Jan 1 – Oct 12, 2026
- Disclosed funding
- $23.1B 334 disclosed amounts
- Median round
- $13M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| L LanzaJetCompany profile Develops technology for producing Sustainable Aviation Fuel (SAF) and other alternative fuels Develops technology for producing Sustainable Aviation Fuel (SAF) and other alternative fuels | $47M | Growth | Climate tech | United States | Investors | |
| NE NuCube EnergyCompany profile Developing a high-temperature modular microreactor for industrial heat and reliable power Developing a high-temperature modular microreactor for industrial heat and reliable power | $13M | Series A | Climate tech | United States | Investors | |
| E ElevenEsCompany profile Industrializes LFP battery cells, packs, and systems for electric mobility and energy storage Industrializes LFP battery cells, packs, and systems for electric mobility and energy storage | Undisclosed | Series B | Climate tech | Serbia | Investors | |
| DM DG MatrixCompany profile Provides solid-state transformer solutions for AI data centers and mass electrification Provides solid-state transformer solutions for AI data centers and mass electrification | $60M | Series A | Climate tech | United States | Investors | |
| PS PolyGone SystemsCompany profile Develops patented filtration systems to remove toxic microplastics from water Develops patented filtration systems to remove toxic microplastics from water | $4M | Seed | Climate tech | United States | Investors | |
| S SeasatsCompany profile Builds long-endurance autonomous surface vessels for defense commercial and scientific missions Builds long-endurance autonomous surface vessels for defense commercial and scientific missions | $20M | Series A | Climate tech, Defense tech | United States | Investors | |
| S SatVuCompany profile Provides space-based thermal intelligence data for defense security and infrastructure monitoring Provides space-based thermal intelligence data for defense security and infrastructure monitoring | £30M | Series A | Climate tech, Space tech | United Kingdom | Investors | |
| n nuuEnergyCompany profile Builds regional heat-pump installation businesses using digital tools and local teams Builds regional heat-pump installation businesses using digital tools and local teams | €4.3M | Seed | Climate tech | Germany | Investors | |
| A AepnusCompany profile Aepnus develops on-site electrochemical systems that turn industrial sodium-sulfate waste into caustic soda and sulfuric acid. Aepnus develops on-site electrochemical systems that turn industrial sodium-sulfate waste into caustic soda and sulfuric acid. | Undisclosed | Pre-Series AUndisclosed | Climate tech | United States | Investors | |
| UG Utility GlobalCompany profile Provides industrial decarbonization solutions using proprietary H2Gen technology Provides industrial decarbonization solutions using proprietary H2Gen technology | $100M | Series DSeries C+ | Climate tech | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Jan 1, 2026
- 1Lowercarbon Capital
Type One Energy, Rainmaker, Rune
10rounds0led - 2Gigascale Capital
Solcoa Industries, Planted, Light
8rounds0led - 3High-Tech Gründerfonds
Veridue, reverse.fashion, Qurie
7rounds0led - 4Breakthrough Energy Ventures
Type One Energy, Planted, FORM ENERGY
6rounds1led - 5EIC Fund
Reverion, Circular Materials, Proxima Fusion
6rounds0led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.