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 |
|---|---|---|---|---|---|---|
| WS WindBorne SystemsCompany profile Operates autonomous sensing balloons and AI models for weather forecasting infrastructure Operates autonomous sensing balloons and AI models for weather forecasting infrastructure | $37M | Series B | Climate tech | United States | Investors | |
| ML Mitti LabsCompany profile Uses satellite imagery and AI to cut water use and methane emissions in rice farming Uses satellite imagery and AI to cut water use and methane emissions in rice farming | $9.5M | Series A | Climate tech | United States | Investors | |
| AE Advanced Electric Machines GroupCompany profile Advanced Electric Machines designs and manufactures electric motors that avoid permanent magnets and rare-earth materials for transport and industrial powertrains. Advanced Electric Machines designs and manufactures electric motors that avoid permanent magnets and rare-earth materials for transport and industrial powertrains. | £16M | Funding roundUndisclosed | Climate tech | United Kingdom | Investors | |
| OE Develops iron-air batteries for long-duration renewable energy storage | $43M | Series A | Climate tech | Netherlands | Investors | |
| VA Valar AtomicsCompany profile Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity. Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity. | $1B | Series B | Climate tech | United States | Investors | |
| OS Orbital SentryCompany profile Builds persistent infrared imaging satellites for wildfire detection and defense Builds persistent infrared imaging satellites for wildfire detection and defense | Undisclosed | Pre-SeedPre-seed | Climate tech, Space tech | United States | Investors | |
| L LumoraCompany profile Lumora develops solar power projects using underutilized industrial space in South Korea. Lumora develops solar power projects using underutilized industrial space in South Korea. | Undisclosed | Pre-SeedPre-seed | Climate tech | South Korea | Investors | |
| BP Base PowerCompany profile Base Power builds and operates home batteries that supply backup electricity and help balance the power grid. Base Power builds and operates home batteries that supply backup electricity and help balance the power grid. | $1B | Series DSeries C+ | Climate tech | United States | Investors | |
| 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 |
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.