Top Solar Startups in 2026

Aurora Solar develops cloud-based software that enables sophisticated solar PV engineering design, provides workflow management functionality, and facilitates sales and customer acquisition for solar installers and financiers. Our software is used to create over 200,000 solar projects a month across the US and around the world.

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.

Commonwealth fusion systems (cfs) was spun out of mit's plasma science and fusion center to leverage the decades of fusion research combined with the innovation and speed of the private sector. supported by the world’s leading investors in breakthrough energy technologies, the cfs team is uniquely positioned to deliver the fastest path to commercial fusion energy. cfs has assembled a world class team that includes experts in magnets, manufacturing and plasma physics dedicated to the mission of delivering clean, limitless fusion power to the world.

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.

Aerones builds heavy-lift (max 440lbs payload) tethered drones for wind turbine cleaning, de-icing and applying hydrophobic coatings. Electricity and water is provided with a cable from the ground so the drone can fly for as long as needed. AI would be used to automate cleaning process.

Wunder is a Modern Energy Company. We help businesses, municipalities, and schools save money by delivering clean on-site power. We convert simple warehouses into electrified industrial platforms built for the future. We enable the nation’s leading commercial and industrial real estate firms to capture the benefits of solar across their properties. We align ESG goals with revenue targets. We deploy renewable energy assets today that will power America’s tomorrow. We open new markets, we launch new partnerships, and we build new solar and energy storage projects every day. Join us at wundercapital.com/careers

Electrum empowers communities to adopt sustainable technologies through transparency and choice to improve the quality of life for all people. The site walks a user through online education and a simple registration process that creates a project for certified, vetted installers to place bids on. After a set period, the bidding process ends and bid analysis is carried out through a proprietary algorithm. The final three bids selected presented in a user friendly format to allow a homeowner to understand the advantages of each bid. The homeowner then has the opportunity to select a bid on the site and e-sign a contract directly with the installer.

What started out as the critically acclaimed Flip Charge Case, is now SOLAPS ChargeBot. The SOLAPS ChargeBot provides the only commercially viable solar solution for all mobile phone users around the world. Our design provides a unique, desirable and viable solution to the demands of all mobile phone users, because we provide virtually unlimited supply of on demand power to mobile phone users around the world. Please see solaps.com/store , register and get launch information.

Blue Ink Digital provides realtime and exclusive leads directly to out customers so they can grow their business faster. Our clients range from small roof installers to nationwide solar panel providers. We take pride in leveraging technology to ensure that we can deliver the highest quality product to our clients.

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.