Latest Climate tech Startup Funding Rounds
Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.
- Rounds
- 65 Sep 13 – Oct 12, 2026
- Disclosed funding
- $1.6B 46 disclosed amounts
- Median round
- $8.1M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| CE CIOC EnergyCompany profile CIOC Energy monitors, controls and trades renewable generation, battery storage and EV-charging assets for commercial and industrial site operators. CIOC Energy monitors, controls and trades renewable generation, battery storage and EV-charging assets for commercial and industrial site operators. | €3M | Growth capitalGrowth | Climate tech | Belgium | Investors | |
| RT Reactive TechnologiesCompany profile Reactive Technologies measures grid inertia and other stability conditions in real time, helping system operators see where renewable-heavy networks are vulnerable and plan or respond with better data. Reactive Technologies measures grid inertia and other stability conditions in real time, helping system operators see where renewable-heavy networks are vulnerable and plan or respond with better data. | €19M | EIB venture debtUndisclosed | Climate tech | United Kingdom | Investors | |
| AD AMPYR Distributed EnergyCompany profile AMPYR Distributed Energy finances, builds and operates onsite renewable-energy assets for businesses. AMPYR Distributed Energy finances, builds and operates onsite renewable-energy assets for businesses. | Undisclosed | Equity investmentUndisclosed | Climate tech | United Kingdom | Investors | |
| H H2SITECompany profile H2SITE builds membrane reactors and separators that produce high-purity hydrogen from transportable carriers and gas mixtures. H2SITE builds membrane reactors and separators that produce high-purity hydrogen from transportable carriers and gas mixtures. | €3.4M | Enova grant for HydraNord PowerUndisclosed | Climate tech, Industrial tech | Spain | Investors | |
| R RainmakerCompany profile Rainmaker develops cloud-seeding technology and atmospheric research tools to increase freshwater supply. Rainmaker develops cloud-seeding technology and atmospheric research tools to increase freshwater supply. | $100M | Series B | Climate tech | United States | Investors | |
| FI Fluxnium, Inc.Company profile A uranium-supply technology that uses reusable high-surface-area fibers to adsorb dissolved uranium from seawater for nuclear fuel production. A uranium-supply technology that uses reusable high-surface-area fibers to adsorb dissolved uranium from seawater for nuclear fuel production. | $7M | Seed | Climate tech | United States | Investors | |
| DI Drivn’s Indian entityCompany profile Drivn’s Indian operating business provides electric commercial vehicles, combining ownership and leasing with fleet operations, charging and battery services. Drivn’s Indian operating business provides electric commercial vehicles, combining ownership and leasing with fleet operations, charging and battery services. | ₹450M | Seed | Climate tech, Mobility | India | Investors | |
| AE Amber ElectricCompany profile Amber Electric combines electricity retailing with software that automates household batteries and electric vehicles. Amber Electric combines electricity retailing with software that automates household batteries and electric vehicles. | €49M | Series ESeries C+ | Climate tech | Australia | Investors | |
| ME Metris EnergyCompany profile An operating platform for renewable-energy owners and operators that unifies asset data and workflows for portfolio monitoring, revenue operations, reporting and maintenance. An operating platform for renewable-energy owners and operators that unifies asset data and workflows for portfolio monitoring, revenue operations, reporting and maintenance. | $5M | Seed | Climate tech | United Kingdom | Investors | |
| H HydrosatCompany profile Hydrosat combines thermal infrared satellite imagery with analytics to measure water stress and improve crop and water management. Hydrosat combines thermal infrared satellite imagery with analytics to measure water stress and improve crop and water management. | $10M | Series B extensionSeries B | Climate tech, Space tech | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Sep 13, 2026
- 1Lowercarbon Capital
Type One Energy, Rainmaker, Rune
3rounds0led - 2Khosla Ventures
Hertha Metals, Mazama Energy, Planted
3rounds1led - 3Union Square Ventures
Mana Battery, Rune
2rounds0led - 4Breakthrough Energy Ventures
Type One Energy, Planted
2rounds1led - 5SiteGround Capital
Type One Energy, Mazama Energy
2rounds0led
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