Energy Technology in Japan

Clean Planet Inc

At Clean Planet, we are committed to pioneering and delivering clean energy technologies that uplift the well-being of people across the globe. We envision a future where safe, reliable, abundant, and affordable energy is accessible to every person on Earth.

11 to 50 staff

Zettajoule, Inc

ZettaJoule will help meet global demand for clean heat and electricity by deploying a fleet of advanced small modular reactors (SMRs) capable of delivering process heat up to 950° C, which is 600° C higher than conventional water-cooled reactors. By harnessing artificial intelligence and the use of AI-based digital twins, we will maximize efficiency and minimize human errors to reduce construction costs and accelerate deployment.

11 to 50 staff

Whne's Limited

Whne’s Limited is an Indo-Japanese business and sustainability enterprise founded to deliver innovation and socially impactful services that will help Entrepreneurs make the globe clean, Green & eco-friendly. Rooted in a firm commitment to “Service with Innovation,” the company acts as a bridge between the international market as well as India and Japan, two nations with a long-standing strategic partnership. Whne’s Limited brings together the best of Japanese technological excellence and Indian and other countries’ market potential to build a future focused on sustainable development, green energy, insurance consultancy, technology exchange, and an innovative technology transfer program.

1 to 10 staff

Sustec Japan

11 to 50 staff

Bluefield Energy Inc

Bluefield Energy30 DX Bluefield Energy is an energy technology company redefining Japan’s ¥30 trillion energy industry through technology. Driven by our mission to "Unleash people and society from the constraints of energy," we are working to digitally transform the entire energy value chain—from power generation and energy storage to distribution and consumption. We are one of the few teams in Japan capable of delivering end-to-end solutions, spanning power plant project development, hardware and software development, energy aggregation, and digital transformation platforms—all under one roof. Through close collaboration with electric utilities and major corporations, we are advancing industry-first and Japan-first initiatives that push the boundaries of what is possible. In an industry still shaped by legacy systems, we are building new, data-driven operations powered by modern technology. Our core businesses include energy aggregation and digital solutions, while we actively invest in new domains to help shape the future of energy infrastructure. Our ambition is to become a true industry disruptor, rebuilding the energy ecosystem from the ground up.

11 to 50 staff

Nuvve Japan

1 to 10 staff

株式会社lineaイノベーション

1 to 10 staff