Subsidiary

PT Artha Daya Coalindo ("ADC"), established in 1997, is a subsidiary of PT PLN Indonesia Power ("PLN IP"). The company operates in coal trading, mining, transportation, loading and unloading, marketing, and agency services. In 2012, ADC expanded its business to port management, leveraging PLN IP’s extensive experience in fuel management, particularly coal, for its ±3,400 MW Suralaya Power Plant.

PT PLN Indonesia Power Services ("PIPS"), formerly PT Cogindo DayaBersama established in 1998, has grown into a trusted provider of integrated power solutions with over two decades of experience. Recognized with the prestigious Best O&M Company award at the 2018 IBEA, PIPS has expanded its operations across Indonesia and internationally, including partnerships in Kuwait and Vietnam. Today, PIPS continues to strengthen its role within PLN Indonesia Power and the PLN Group, committed to advancing the national electricity sector and positioning itself as a Trusted Energy Solutions Provider in Asia.

PT PLN Indonesia Power Renewables ("PLN IPRen"), as an unrestricted subsidiary of PLN Indonesia Power, focuses on investment and participating interest in various power generation projects through several special purpose companies such as REP, GCLIT, IRT, TMAI, IATSaguling, IATSingkarak, and MBE. In addition, PLN IPRen is also expanding its green energy portfolio through PT PLN Indonesia Geothermal (PLN IGeo).

PT Indo Ridlatama Power (“IRP”) is an Independent Power Producer (IPP) operating under a Build-Own-Operate (BOO) scheme. The company develops and operates a Mine-Mouth Coal-Fired Power Plant with a capacity of 2 x 27.5 MW located in Muara Jawa, Kutai Kartanegara, East Kalimantan. Electricity generated is sold to PT PLN (Persero) under a 30-year Power Purchase Agreement (PPA) and transmitted through the 150 kV East Kalimantan interconnection system. The plant uses low-calorie coal to ensure long-term fuel supply reliability. IRP’s shareholders consist of PT PLN Indonesia Power, with expertise in the electricity sector, and PT Ridlatama Bangun Mandiri, a subsidiary of Ridlatama Group, specializing in coal, oil, and gas.

PT Indo Pusaka Berau (“IPB”) was established in 2005 as a continuation of the Indo Pusaka Berau Consortium, which had previously developed and operated the Lati Coal-Fired Power Plant (PLTU Lati) with a capacity of 3×7 MW since 2004. The company focuses on power generation and distribution through a 20 kV medium-voltage transmission network spanning approximately 132 km, serving PT PLN (Persero) Berau Area, PT Berau Coal, and PT Smart Telecom.

PT PLN Suku Cadang ("PLNSC") was established in 2017 as a subsidiary dedicated to providing goods and services for power generation facilities within PT PLN (Persero). PLNSC plays a vital role in ensuring the availability of spare parts, technical services, and supporting solutions to enhance the reliability and efficiency of power plant operations. Leveraging its expertise in procurement and supply chain management, PLNSC serves as a strategic partner to the PLN Group in sustaining the operations of Indonesia’s national power generation sector.