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 |
|---|---|---|---|---|---|---|
| AE AGent EnergyCompany profile AGent Energy helps facilities earn revenue from backup generators by coordinating their participation in power markets. AGent Energy helps facilities earn revenue from backup generators by coordinating their participation in power markets. | $11M | Seed | Climate tech | United States | Investors | |
| M MillowCompany profile Millow produces fungi-based protein ingredients for professional kitchens and food manufacturers. Millow produces fungi-based protein ingredients for professional kitchens and food manufacturers. | €2M | Funding roundUndisclosed | Climate tech, Foodtech | Sweden | Investors | |
| MM Recovers and reuses industrial treatment chemicals from wastewater | £700K | Pre-SeedPre-seed | Climate tech | United Kingdom | Investors | |
| FE FORM ENERGYCompany profile Long-duration iron-air batteries designed to store electricity for multi-day grid needs. Long-duration iron-air batteries designed to store electricity for multi-day grid needs. | $750M | Series GSeries C+ | Climate tech | — | Investors T. Rowe Price Investment ManagementLeadBlindspot Ventures +17Breakthrough Energy VenturesCapricorn Technology Impact FundsCari TunaCoatueDustin Moskovitz through Good Ventures FoundationEnergy Impact PartnersEngine VenturesFranklin TempletonGE VernovaGigascale CapitalJanus Henderson InvestorsM&G CatalystNGP Energy Capital ManagementPEAK6Prelude VenturesSequoia CapitalTPG Rise Climate | |
| R ReservoirCompany profile Reservoir makes and installs predictive all-electric water heaters designed to serve homeowners and respond to energy needs. Reservoir makes and installs predictive all-electric water heaters designed to serve homeowners and respond to energy needs. | $8M | Seed | Climate tech | United States | Investors | |
| W WasteSideCompany profile WasteSide connects students, universities and local partners through an app that rewards sustainable everyday choices. WasteSide connects students, universities and local partners through an app that rewards sustainable everyday choices. | >€700K | Seed | Climate tech | Germany | Investors | |
| K KalzCompany profile Kalz develops a process that binds CO2 into industrial residues to produce materials for cement and concrete. Kalz develops a process that binds CO2 into industrial residues to produce materials for cement and concrete. | Undisclosed | Pre-seed | Climate tech | Germany | Investors | |
| WT Watercycle TechnologiesCompany profile Watercycle Technologies builds systems that recover valuable minerals from brines, industrial wastewater and battery waste. Watercycle Technologies builds systems that recover valuable minerals from brines, industrial wastewater and battery waste. | £3M | DRIVE35 ReLiVE grantUndisclosed | Climate tech | United Kingdom | Investors | |
| LE LevelTen EnergyCompany profile Operates a marketplace for clean-energy transactions, including power purchase agreements. Operates a marketplace for clean-energy transactions, including power purchase agreements. | Undisclosed | StrategicUndisclosed | Climate tech | United States | Investors | |
| NE Naked EnergyCompany profile Naked Energy develops solar collectors and monitoring software that supply renewable heat to commercial and industrial buildings. Naked Energy develops solar collectors and monitoring software that supply renewable heat to commercial and industrial buildings. | £8.9M | Series B extensionSeries B | 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.