Renewable Energy Companies in Japan

Leapton Energy is a Japan-headquartered Tier-1 solar manufacturer specializing in high-efficiency PV modules, battery energy storage systems, and inverters. Active globally since 2012, the company serves residential, commercial, and industrial applications across 70+ countries.

Renonpower develops and integrates energy storage systems and battery solutions for residential, commercial, and industrial applications. The company focuses on lithium iron phosphate battery technology, distributed energy storage, and solar integration across residential and C&I markets.

Nissan Energy provides EV charging solutions and battery reuse services. The company develops home and public charging infrastructure, Vehicle-to-Grid technology, and second-life battery applications for industrial energy storage and renewable integration.

Toyo Engineering is a Japanese engineering, procurement, and construction (EPC) company advancing renewable and sustainable technologies including green ammonia, sustainable aviation fuel, geothermal energy, and biomass conversion to support global decarbonization.

Mitsubishi Power is an energy solutions brand of Mitsubishi Heavy Industries specializing in decarbonization technologies for power generation, including hydrogen fuel gas turbines, carbon capture systems, and intelligent plant operations solutions.

Diversified manufacturing company producing fine ceramics, semiconductors, electronic components, and energy solutions including photovoltaic modules and solid oxide fuel cell stacks.

Leading solar PV design and consulting firm in Japan founded in 2013, specializing in photovoltaic resource analysis, due diligence, and drone-based UAV inspections. Portfolio exceeds 1,500 projects with over 15.1 billion yen in solar investments managed.

MOL Techno-Trade is a maritime technology trading company developing hydrogen supply chains, wind propulsion systems, and energy-saving marine solutions. Part of Mitsui O.S.K. Lines Group, it focuses on decarbonizing shipping through innovative products like PBCF and hydrogen infrastructure.

Sumitomo SHI FW is a global energy technology provider specializing in decarbonization solutions including biomass and waste energy, long-duration energy storage, carbon capture, and industrial emissions reduction across power and industrial markets.

Sky Solar Holdings is a global solar energy company operating across EMEA and APAC regions, providing EPC services and project development for renewable energy infrastructure.