Latest Climate tech Startup Funding Rounds
Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.
- Rounds
- 448 Jan 1 – Oct 24, 2026
- Disclosed funding
- $23.3B 347 disclosed amounts
- Median round
- $12M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| CF Commonwealth Fusion SystemsCompany profile Commonwealth Fusion Systems is developing fusion-energy technology for commercial power generation. Commonwealth Fusion Systems is developing fusion-energy technology for commercial power generation. | $1B | Growth | Climate tech | United States | Investors Undisclosed | |
| L Lydian develops sustainable aviation fuel. | $43M | Series A | Climate tech | United States | Investors | |
| AE Antora EnergyCompany profile Antora Energy makes thermal batteries that store electricity as heat in carbon blocks and deliver continuous energy to industrial facilities and other large users. Antora Energy makes thermal batteries that store electricity as heat in carbon blocks and deliver continuous energy to industrial facilities and other large users. | $550M | Series CSeries C+ | Climate tech | United States | Investors | |
| B BiotaCompany profile Environmental diagnostics company developing faster technologies for PFAS monitoring and analysis. Environmental diagnostics company developing faster technologies for PFAS monitoring and analysis. | $3M | Seed | Climate tech | United States | Investors | |
| AH Manufacturer of high efficiency window solutions | $6M | Series B | Climate tech, Proptech | United States | Investors | |
| G GreyparrotCompany profile Greyparrot is an AI waste intelligence company that helps measure and manage waste. Greyparrot is an AI waste intelligence company that helps measure and manage waste. | $27M | Series B | Climate tech | United Kingdom | Investors | |
| CT Claros TechnologiesCompany profile Claros Technologies develops PFAS destruction and analytical technology. Claros Technologies develops PFAS destruction and analytical technology. | $55M | Series B | Climate tech | United States | Investors | |
| WF Developer and manufacturer of advanced solid oxide fuel cell systems. | Undisclosed | Undisclosed | Climate tech | United States | Investors Undisclosed | |
| C ChargepolyCompany profile Chargepoly designs, installs and operates charging infrastructure for electric truck and bus fleets, combining shared-power hardware with fleet and energy software. Chargepoly designs, installs and operates charging infrastructure for electric truck and bus fleets, combining shared-power hardware with fleet and energy software. | €23M | Growth investmentGrowth | Climate tech, Mobility | France | Investors | |
| S Develops and manufactures advanced battery solutions for critical industries | $300M | Growth | Climate tech | United States | 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.