Hitachi Energy Ltd. is a technology company headquartered in Zurich, Switzerland. The company's products include high-voltage equipment, transformers, and services for renewable energy. The company is a subsidiary of multinational conglomerate Hitachi Ltd. The company was formerly known as Hitachi ABB Power Grids, following a joint venture with Hitachi Ltd. and ABB Power Grids in 2020, and was rebranded in 2021 as Hitachi Energy Ltd. History. In July 2020, ABB divested its power grid business and sold 80.1% of that to Hitachi Ltd., leading to the formation of Hitachi ABB Power Grids.
https://en.wikipedia.org/wiki/Hitachi_Energy