Search Hitachi ABB Power Grids Indonesia's microgrids deployed at Indominco Mandiri (IMM), an ITM-owned mining facility in Bontang, East Kalimantan. (Photo Courtesy of Hitachi ABB Power Grids Indonesia) Hitachi ABB’s Microgrids Enable Greener Coal Mining for ITM BY :JAYANTY NADA SHOFA FEBRUARY 19, 2021 Jakarta. A microgrid solution developed by Hitachi ABB Power Grids Indonesia — a technology company focusing on sustainable energy generation — helps enable greener mining for Indonesian coal supplier Indo Tambangraya Megah, or ITM, according to a written statement. Hitachi ABB has deployed the microgrids at Indominco Mandiri (IMM), an ITM-owned mining facility in Bontang, East Kalimantan, which produces up to 12.5 Mt of coal each year. Hitachi ABB also claims the microgrid facility is the largest in Indonesia.