Top Clean Technology Startups in 2026

SoftBank Robotics is driving technology forward as a worldwide leader in robotics solutions. Rapidly expanding with offices in Tokyo, Paris, London, San Francisco, Boston, Shanghai, Beijing, Shenzhen, Hong Kong, Singapore, Seoul, and Sydney, SoftBank Robotics is constantly exploring and commercializing robotics solutions that help make people’s lives easier, safer, more connected, and more extraordinary. There are currently over 30,000 SoftBank Robotics robots used in more than 70 countries worldwide offering innovative applications relevant in the fields of retail, tourism, healthcare, finance, education, facilities management, and cleaning.

EnergyHub, an independent subsidiary of Alarm.com, provides a cloud-hosted platform for managing energy use in homes and small businesses. Together, EnergyHub and Alarm.com are leading the Internet of Things revolution: Alarm.com has more than two million subscribers, and almost a million people are connected to EnergyHub. Thermostat manufacturers white-label EnergyHub’s software to give their users a simple and convenient way to control wi-fi thermostats from any smartphone. Utilities use EnergyHub to keep the power grid stable. Home security and cable companies use EnergyHub to bake cutting-edge energy management capabilities into their existing products. EnergyHub is leveraging its leadership position in the IoT to develop the most advanced, intelligent device-control technologies in the world. We’re on track to triple our revenue from 2014 to 2015, and we’re making a huge environmental impact while saving our customers a ton of money. Come join us.

At Nexleaf, we develop robust data analytics tools and lightweight sensor devices to serve people on the front lines of global public health and climate change. Our innovative solutions come from--and are driven by--our work in the field. We listen to people on the ground and create technology that meets their needs and integrates into their lives. We know that resilient, cost-effective technology can bridge the gap where other infrastructure is lacking. And we believe in the power of data to change the world. - ColdTrace helps health workers get safe, effective vaccines to kids, and our data and analytics help governments and global partners plan vaccine systems management at the highest levels. - StoveTrace empowers rural women to fight climate change with clean cooking. Based on verified real-time usage data, we get results-based financing directly to women who switch to improved cookstoves.

An exciting venture that launched in 2021, OneOf brings NFTs to fans in the ways they love and find usable. OneOf is a powerhouse in the music, brand and sports industries - deploying NFT collections for partners including The Grammys, iHeart, Whitney Houston, Doja Cat, Iann Dior, Charlie Puth, Muhammad Ali, Wayne Gretzky, Sports Illistrated, Snapple, and more.

Our mission is to drive rapid decarbonization in global transport and power sectors by intelligently connecting electric vehicles to the grid. Our software uses predictive analytics and systems optimization to make it cheaper and safer for utilities to support the growth of electric vehicles, increase renewable energy adoption, and save customers money. Weave Grid is backed by premier energy-focused venture investors. Join us to tackle one of the biggest challenges and business opportunities of this century.

SolarGrade provides fast, easy-to-use software that standardizes solar & storage inspection procedures, enables team collaboration, and generates sharable professional reports. Our customers are any type of company that does work in the field from Engineering, Procurement and Construction, Operations and Maintenance, Independent Engineers to Quality Control Personnel.

Data centers and cloud providers consume 6% of the global electricity (more than India) and generate 4% of the global CO2 emissions (more than 2 times commercial air travel). They expect to consume 20% of the electricity worldwide by 2025. Submer (submer.com) develops a highly efficient, ultra-dense and eco-friendly, computing immersion cooling technology (submer.com/what-is-immersion-cooling) that saves 50% of this electricity, 85% of the real estate, and it can be placed anywhere, even without the expensive buildings. Making it also perfect for low latency applications and edge-computing. Submer has renown customers all over the world like some of the top 5 hyper-scale cloud providers, Airbus, the European Commission, the CERN Large Hadron Collider and more. Submer believes our digital world can be more efficient, cost-effective, scalable and eco-friendly. The Submer solution happens to be the best way to get there.

Acculon Energy is a one-stop shop for energy storage programs. Developing and deploying lithium batteries requires systems-level, full stack engineering expertise and broad capabilities to execute. Our 300,000 hours of battery program experience enable vehicle and battery OEMs to go further, faster, safer.

We aim to develop the world’s most efficient, distributed utility system. Leveraging the full value chain of our resources, our cutting-edge Universal Utility™ will deliver a step change in sustainable living while empowering the consumer with the choice of a low-cost, efficient, personal utility system. Our distributed systems supply the consumers with a reliable, affordable, cutting-edge technology they can trust. Leveraging the same breakthrough manufacturing innovations, Utility Global is expanding into numerous industrial sectors. Our advancements are applicable not only in producing compact electrochemical devices but also in manufacturing low-cost, nano-catalysts and high-efficiency heat exchangers. With these groundbreaking technologies, Utility Global aims to provide scalable, affordable, efficient energy solutions to our industrial customers.

PVComplete's mission is to make solar ubiquitous. PVComplete is a solar design and engineering platform bringing together all solar design resources onto a single, versatile system. PVComplete enables the seamless development of project design from concept to construction. Launched in 2015 and based in Oakland, California. Learn more at PVComplete.com