Top 7 Renewable Energy Software Companies (November 2026)

San Francisco, California, United States

cloud-based platform for solar professionals

Aachen, Nordrhein-westfalen, Germany

SaaS, Energy, Renewables, Battery Intelligence, Artificial Intelligence

Sydney, NSW, Australia

OpenSolar is the world’s first free, end-to-end, solar design and sales application, providing solar professionals with a highly sophisticated, yet easy to use software tool that services their end-to-end needs, from marketing and lead management to solar system design, sales, installation, and service. OpenSolar also provides a paid bespoke-software service for solar manufacturers and solar finance companies to better serve their dealer networks. Adam Pryor and Andrew Birch, OpenSolar’s co-founders, are solar industry veterans and pioneers of solar innovation who are on a determined mission to accelerate the world’s transition from fossil fuels to solar energy. For more information, visit www.opensolar.com.

Pleasanton, California, United States

Enact Systems is a cloud-based solar and storage project lifecycle management platform founded in 2015 and headquartered in California. The company serves solar developers, installers, and end customers across 23 countries, processing more than $1.5 billion in solar and storage project value since September 2020 and deploying over 3 gigawatts of capacity through its platform. As of late 2021, Enact was operating at approximately $1 million in annualized revenue, up roughly 40 percent from approximately $714,000 in 2020. The company has raised a total of $4 million since launch, comprising $3.5 million in equity from family offices and early-stage investors and $1 million in a US Department of Energy grant received in 2017. The platform operates a dual-sided business model, with 80 percent of revenue derived from business-to-business subscriptions sold to solar enterprises and 20 percent from a consumer-facing app launched on iOS in June 2021. Enact employs 18 people, 16 of whom are engineers, split between California and India. Founders and employees together retain more than 60 percent ownership of the company.

Oslo, Oslo, Norway

We bring together 4000+ data layers, advanced optimisation algorithms, and seamless collaboration functionalities. The Vind AI platform empowers project teams to assess wind project business cases more than 5x faster, so that you can be more sure of your decisions, earlier in the development process.

Singapore, Singapore

AI driven professional engineering firm

Bengaluru, India

Arka 360 (ARKA 360, formerly The Solar Labs) makes software that lets solar installers design PV systems, manage leads and send sales proposals; it is now sold by ARKA (Arka Energy), whose founder and CEO is Surya Potharaju. ARKA lists offices in Allen, Texas, and Bengaluru. Siddharth Gangal co-founded The Solar Labs in 2017 with IIT Mandi batchmates, and the company took the ARKA 360 name in late 2023. When Gangal spoke to Latka in early 2021, he said about 380 solar installers were using the software, up from about 50 a year earlier, on plans from $70 to $150 a month, and that 95% of customers were in India. He said the company had raised a seed round of about $200,000 in 2018 and had roughly broken even month over month since.