Top Clean Technology Startups in 2026

Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future. With the belief that consumers can have it all, we are an uncompromising energy company that makes going green a no-brainer. Our award winning platform empowers homeowners, businesses, and entrepreneurs to adopt renewable energy through simple, scalable, and innovative solutions. We operate at the intersection of B2B and D2C, offering software, financial tools, and services that drive real environmental impact - without compromising value. Our clean Energy Platform makes solar and home electrification easy to access, easy to afford, and easy to manage. We deliver flexible energy plans, real-time insights, and seamless customer experiences through offerings like our Consumer App and Marketplace, LightReach™ Solar and HVAC Subscriptions, and Asset Management tools - with more innovations on the way. How We Think We've always been told a cleaner future means sacrifice. Turn it down, pay more, wait forever. We don't buy that. At Palmetto, we believe the future is abundant. We help homeowners have it all: lower energy bills, smarter homes, and a healthier planet. Who We Serve We work with homeowners, clean energy brands, and local installation partners to help them grow their impact, revenue, and customer reach. Our Community Impact • 1+ terawatt-hour of clean solar energy generated • 740,000+ tons of carbon emissions avoided • 90,000+ homes powered for a year

Blue Power Partners is a global consultancy company that supports worldwide leading developers, asset owners and technology companies within origination, development, construction and performance optimization of onshore/offshore wind, solar, PtX and storage projects. We are determined to drive change, and guided by our vision to accelerate the green transition, we work collectively to make a difference that really matters. You will join a diverse team of colleagues who all share our vision and passion for renewable energy. It is an essential part of our culture that we support each other, learn from each other, and celebrate each other's achievements. Together, we make a real difference.

We believe there is a better, less expensive, cleaner way for families to power their homes. As a pioneer of solar-as-a-service model, we are truly saving the planet, one solar panel at a time. We have long-established relationships with some of the nation’s largest and most trusted national retailers which provide us with a great platform for driving further awareness and brand recognition. Quick Facts: -Sunrun is the nations leader in Residential Solar! -Every 5 minutes we install a new project, and each day over $2 million worth of solar -We have over 200,000 customers and over 4,000 employees -We operate in 23 states and still growing!

RANE (Risk Assistance Network + Exchange) is a risk intelligence company that connects business leaders to critical insights and expertise, enabling risk professionals to make more informed decisions and more efficiently manage complex risk. RANE provides access to, collaboration with, and unique insights from a global network of credentialed risk experts. Through curated network intelligence, risk news monitoring, in-house analysts and subject matter experts, and collaborative knowledge-sharing events, RANE helps subscribers get the information and expertise they need to address their most pressing risk challenges. For participating network experts, RANE provides significant opportunities to promote their expertise and engage with clients to build their brand. RANE has offices in New York, NY, Boston, MA, and Washington, DC.

Notified offers companies and organizations with an online platform to monitor, measure, and react to the discussions in social media. It grants access to online conversations that allows its users to use their insight tools to measure their success, connect with influencers, and take decisions. It offers its users with social media listening, analytics, social CRM, and social activation services. The clients of the company are HBO, Accenture, L’Oréal, Unilever, LG, and Universal. Notified is a Sweden-based company that was founded in 2010 by Marcus Norrving and Kristopher Stenkula.

dSPACE is a provider of hardware and software tools for developing and testing sophisticated electronic control systems. dSPACE develops and distributes integrated hardware and software tools for developing and testing electronic control units and mechatronic controls. The application areas for dSPACE systems are primarily in the automotiveindustry, but also in drives technology, aerospace, and other industrial sectors. The company's customer base includes virtually all major vehicle manufacturers and suppliers.

We're a branding agency working with early stage, venture backed startups. We help bring these companies to market with the development of their positioning, messaging and identities.

Oso Holding Group LLC is a California-based energy solutions company specializing in residential energy efficiency upgrades, including solar energy systems, HVAC, insulation, and related home performance improvements. We contract with independently established sales businesses that offer our products and services to homeowners throughout California.

PVcase is a next generation PV software company. Driven by engineering know-how and cutting edge development team, we change the rules when it comes to solar design operations worldwide. Our customer base extends from Europe to North and South Americas, Asia and Australia, rapidly adding new customers with every software iteration. PVcase's approach to utility scale solar layout design strives to become the new industry standard as the PV industry is forced to evolve in an environment with significantly reduced subsidies. Our focus on automation and accuracy from the very earliest stages of planning, incorporating 3D topographical data points to simulate the actual location of the solar plant, allows our customers to be able to compete for and win more projects by delivering greater yields. PVcase’s automation plug-in for AutoCAD has already been used to design over 3 GW of projects by some of the world’s largest players in solar renewable energy. With our extensive experience in the solar design industry we see other opportunities to optimize and create efficiencies in other aspects of the evaluation and planning of commercial and utility scale PV projects and have several other products in the development process.