Rezil Inc. is a Japan-based electric utilities company specializing in distributed and renewable energy solutions. Its primary function is to provide electricity services to condominium residents and corporations, with a focus on integrating distributed energy resources such as solar power plants. The company also develops and manages services that leverage advanced digital technologies—including SaaS, business process outsourcing, and digital transformation initiatives—to support energy companies' operational efficiency and digitalization. Rezil Inc. plays a notable role in Japan's efforts toward decarbonization, supplying green energy mainly to small and medium-sized enterprises and supporting corporate sustainability objectives. Through its subsidiaries, the company is involved in both the wholesale and retail segments of the electricity market as well as in electrical safety and construction services. Founded in 1994 and headquartered in Tokyo, Rezil Inc. occupies a distinctive position in the energy sector by promoting energy transition and modernization in Japan’s regulated utilities landscape.