GNPower Dinginin Ltd. Co. (GNPower Dinginin) is a 1,336 MW coal-fired power plant in Mariveles, Bataan. Similar to its sister plant GNPower Mariveles Coal Plant Ltd. Co., GNPower-Dinginin operates under the private limited partnership of AboitizPower’s Therma Power, Inc. and AC Energy Holdings, Inc., a wholly-owned subsidiary of Ayala Corporation and Power Partners Ltd. Co. GNPower-Dinginin began construction of its first unit in September 2016 and is set for completion in 2021. It is considered by far the biggest coal-fired power plant to be built in the country, spanning 30 distribution utility contracts and two retail electricity suppliers.