Top Clean Technology Startups in 2024

cove.tool is a building performance platform for intelligent design. We recently raised a $30 million Series B with the backing Coatue and Robert Downey Jr's Footprint Coalition! Come join a company that is making a difference in the fight to stop climate change. We've already helped the building industry avoid 5x more carbon than Tesla in the last year!

Omnidian’s award-winning teams have been protecting the large-scale residential solar portfolios of our fortune 1000 clients and now - the industry’s leading residential solar protection plan with a 95% performance guarantee is available to homeowners through select elite and premier dealers. in 2017, we were awarded the department of energy sunshot grant, which accelerates the development of highly impactful solar energy technologies.

At Therma, we build technology that ensures safety and sustainability from farm to fork -- to protect our food and our planet. Our IoT-based 24/7 temperature monitoring sensors and mobile checklist app eliminate food waste, improve safety and reduce refrigeration emissions, protecting millions worldwide. We’re deployed across 5,000+ restaurants, retailers and manufacturers with leading brands including McDonalds, Burger King, Domino's, TGI Fridays, 7-Eleven and Wyndham Hotels. Founded by experienced entrepreneurs from Harvard, Columbia and UC Santa Barbara, we’re a mission-driven team passionate about food, climate and health. We are headquartered in San Francisco, and supported by experienced venture capitalists including investors from D. E. Shaw, Deciens Capital, Govtech Fund, Collaborative Fund, Social Capital, and Stage Venture Partners.

At Optivolt, we engineer next-gen power electronics for solar modules, enabling up to 60x more power in shaded conditions. Our technology is deployed with the National Oceanic and Atmospheric Administration, U.S. Air Force, and Ukraine Armed Forces, ensuring reliable solar energy production, even in the harshest environments on the planet. After proven success with our military partners, we’re bringing this technology to residential homes across the country. Millions of previously-disqualified homes are now eligible for solar power — rain, shine, or shade. Join our mission in making solar energy accessible for all, engineering a cleaner, sustainable future. With Optivolt, the future of solar energy is brighter than ever.

Predictive and proactive IoT-based building automation system that addresses HVAC, lighting, and equipment control needs

Oklo is a California-based company developing clean energy plants to provide emission-free, reliable, and affordable energy using advanced fission. Oklo is a fast-growing startup with a history of reliable funding and milestones for more than 5 years. Oklo’s first product is a microgrid scale powerhouse. The powerhouse can produce clean energy for decades without needing to refuel, and also has the capability to turn nuclear waste into clean energy. Oklo received a Site Use Permit from the U.S Department of Energy, demonstrated fabrication of its fuel, was awarded fuel from the Idaho National Laboratory, and submitted the first accepted advanced fission license application to the regulator. Oklo has been featured in Popular Mechanics, Wired, Architectural Digest, Hyperallergic, POWER Magazine, and has been the subject of a Harvard Business School case, and was featured in the documentary The New Fire, among many other features.

Motiv Power Systems has a vision, to free fleets from fossil fuels. To do this we deliver intelligent all-electric chassis for commercial vehicles, enabling traditional vehicle builders to move away from fossil fuels while continuing to serve the same fleets. Our Electric Powered Intelligent Chassis (EPIC) is Ford eQVM approved, and available for a number of different medium-duty vehicle configurations including walk-in vans, box trucks, work trucks, shuttle buses, school buses, trolleys, and other specialty vehicles.

Arcadia is a fast-growing technology company that is revolutionizing the utility industry. At Arcadia, we’re guided by a common purpose: We believe in a future that is powered by 100% renewable energy. Our team is building the utility of the future - one that breaks down the barriers to clean energy access and puts customers first. Arcadia users all over the country choose clean energy, save with solar power, lower their utility bills and track their impact every day. We make choosing clean energy easy for everyone.

Skylark Drones was born out of the need to use disruptive technologies such as drones to help transform the way roads and highways are planned, our food is produced and farmers are taken care of, minerals and metals are mined and pipelines carrying valuable resources are monitored. We integrate drone solutions into scalable real-world applications that benefit enterprises and the community at large while making sure authenticity takes precedence along with increasing productivity, saving costs and lives.

REGENT is building the seaglider: the first electric flying machine that will transport commercial passengers. By staying within a wingspan of the water, we unlock the ability to fly twice as far as an electric aircraft, and certification by maritime authorities which will let us fly first passengers by 2025. Airlines and ferry companies are getting in line to buy seagliders because they're half as expensive as short-haul aircraft, and six times faster than ferries. For more information, visit us at regentcraft.com!