PT Bukit Energi Servis Terpadu (BEST) is a business group of PT Bukit Asam Tbk. BEST was establishied on July 30, 2015, enganged in service Operational & Maintenance (O&M) company. The Company domiciles at Menara Karya, 19th Floor, Jl. H.R. Rasuna Said, Block X-5 Kav. 1&2, Jakarta. The Establishment of PT BEST was started by supporting national energy program, when PT BEST was focusing on Operation & Maintenance services for power plants. Carrying out its role as O&M services company on 1 December 2015 by managing PLTU (Coal Fired Steam Power Plant) Tarahan Port belonging to PT Bukit Asam which has a capacity of 2×8 MW at Bandar Lampung, Panjang, Lampung. Next, on 14 February 2016 PT BEST started to manage power plant with 3×10 MW capacity at Tanjung Enim, South Sumatra Province, which is also belonging to PT Bukit Asam. Up to this moment, PT BEST is always the choice of PT Bukit Asam to operate and maintain power plants belonging to them.