STEAG MINDANAO COAL IS MINDANAO’S FIRST COAL-FIRED POWER PLANT. He recalled that the community had no idea what coal was or how a coal plant operated. Today, STEAG Mindanao Coal has been identified as a candidate for early retirement under an Asian Development Bank initiative to accelerate the shift from coal to clean energy. Johaira Chiu, 74, was displaced during the construction of the coal plant at the turn of the 21st century. MICHELLE OBASA BRIOSO, 46, ASPIRED TO WORK AT THE STEAG MINDANAO COAL.