Gremz, Inc., a company established in Tokyo, Japan in 2005, specializes in providing solutions for energy cost optimization, smart home technologies, and electricity retailing throughout Japan. The firm's product line features advanced electronic circuit breakers, energy-efficient LED lighting, and a variety of power-saving electrical appliances. Additionally, Gremz supplies solar power systems, battery storage solutions, and general electrical equipment, while also actively producing renewable energy. Its operations further extend to functioning as an electricity supplier, distributing power to a wide array of clients, including both low and high voltage consumers.