grems,Inc

grems,Inc. operates in the energy solutions and electricity retailing businesses in Japan. It sells commercial and residential solar power generation systems, IoT devices, energy-saving equipment, and storage batteries to businesses, and offers electric homes to general consumers. The company is also involved in renewable energy development projects and sells electricity to businesses. Formerly known as gremz,Inc., it changed its name to grems,Inc. in June 2025. Incorporated in 2005, it is headquartered in Tokyo, Japan.