Latest Climate tech Startup Funding Rounds
Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.
- Rounds
- 446 Jan 1 – Oct 24, 2026
- Disclosed funding
- $23.3B 345 disclosed amounts
- Median round
- $12.5M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| SE Starlight EngineCompany profile Starlight Engine develops fusion power plants and leads Japan’s FAST demonstration project. Starlight Engine develops fusion power plants and leads Japan’s FAST demonstration project. | $37.4M | Series A | Climate tech | Japan | Investors AVBRICKS FUND TOKYO +14Daiwa Corporate Investment CoFujikuraFukoku Mutual Life Insurance CompanyFurukawa Electric CoGlobal BrainK4V Vital Platform Fund I Investment Limited PartnershipKDDI Open Innovation Fund VKeio Innovation InitiativeKyoto University Innovation Capital CoMitsui Fudosan CoMizuho BankMUFG BankSony Financial Ventures & Global Brain FrontierTOKYU CONSTRUCTION CO | |
| IP Developer of AI-enabled electrical infrastructure | Undisclosed | Seed | Climate tech | United States | Investors | |
| SN Produces TRISO nuclear fuel for advanced nuclear reactors | $150M | IPOUndisclosed | Climate tech | United States | Investors Undisclosed | |
| G GridcogCompany profile Gridcog provides a platform for modelling and managing multi‑asset energy projects Gridcog provides a platform for modelling and managing multi‑asset energy projects | Undisclosed | StrategicUndisclosed | Climate tech | United Kingdom | Investors | |
| S Develops living biocovers to reduce landfill methane emissions | $1.2M | Undisclosed | Climate tech | United Kingdom | Investors | |
| H Develops technology to remove and destroy PFAS in water. | Undisclosed | StrategicUndisclosed | Climate tech | United States | Investors | |
| KA Develops microalgal ingredients using dark fermentation. | Undisclosed | Series B | Climate tech, Biotech | United States | Investors | |
| r Develops AI-powered textile sorting technology | Undisclosed | Seed+Seed | Climate tech, Ecommerce | Germany | Investors | |
| AE Axle Energy connects distributed energy devices to electricity markets. | $25M | Series A | Climate tech | United Kingdom | Investors | |
| GE Uses AI and thermal energy storage to optimize industrial cooling | $1.3M | Pre-SeedPre-seed | Climate tech | United Kingdom | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Jan 1, 2026
- 1EU Innovation Fund
Epyr, Reverion, H2SITE
17rounds0led - 2Lowercarbon Capital
Stand, Type One Energy, Rainmaker
11rounds0led - 3High-Tech Gründerfonds
Rabot Energy, Veridue, reverse.fashion
8rounds0led - 4Gigascale Capital
Solcoa Industries, Planted, Light
8rounds0led - 5Eclipse
Stand, Prime Minute, Antora Energy
6rounds2led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.