Top 10 CleanTech/Clean Energy Capital Raises and Investors in the U.S. – August 1st to 31st, 2026
Several interesting transactions closed in the CleanTech/Clean Energy sector over the past month. If you would like to discuss the capital raising market for your company, please contact me.
PIPE
- Grafta Nanotech, graphene-based nanotechnology for environmental remediation, received $1.84 million of development capital.
- NextNRG, integrated ecosystem that combines solar energy generation, battery storage, smart microgrids, wireless electric vehicle (EV) charging, and on-demand fuel delivery, received $27.2 million of development capital.
Merger/Acquisition
- Standard Demand Partners, commercialization and capital-raising services for the cleantech and energy transition sectors, was acquired by ClimateDoor.
- Yield Energy, distributed energy resource management system that unlocks on-farm energy flexibility, was acquired by Energy Sensei.
Later Stage VC
- 639 Solar, cloud-based data center platform that delivers scalable, renewable energy infrastructure with continuous uptime, raised $5.23 million of venture funding through a combination of equity and convertible debt.
- Fuse, fusion energy technology that accelerates the path to clean energy, raised $100 million through a combination of Series A-6 and Series A-7 venture funding from Lightscape Partners and other investors, putting the company’s pre-money valuation at $308 million.
Early Stage VC
- NitroCat Energies, sustainable hybrid catalysts for energy conversion applications that enable industries to transform waste streams into valuable chemicals and green energy products, raised venture funding from Factor E Ventures.
- Terramtech, packaging solutions that eliminate plastic and harmful chemicals from packaging to create a waste-free world, raised $14 million of Series A-4 venture funding, putting the company’s pre-money valuation at $489 million.
Seed Round
- RevaTerra, bio-coal fuel for industrial energy applications, raised $1.27 million of seed funding in a deal led by BlueLake Ventures, putting the company’s pre-money valuation at $13.74 million.
- Teragen Energy, regenerative fuel cell systems for power generation and energy storage without combustion, raised $6 million of Pre-Seed funding in a deal led by Energy Capital Ventures and BEVC, putting the company’s pre-money valuation at $11 million.
#castleplacement #capitalraising #privateequity #venturecapital #investment #cleantech #cleanenergy
Tina Vital
Managing Director
Please contact me if you have any questions or would like to discuss your capital raise:
Email: tvital@castleplacement.com
(C) (917) 432-8474
Send us a message:
Sources: Information on this page was derived from a variety of sources including Bloomberg, Company Websites, Crunchbase, PitchBook and other news outlets. Castle Placement® does not warrant or guarantee this information, nor makes any representations as to the accuracy of the information. For more Risks, see CPGO Risks and Disclaimers.
