Indonesia is seeking to increase the share of private power investors in developing new and renewable energy plants, including bioenergy derived from biomass, biogas and municipal waste. Therefore, it is crucial for the State Electricity Company (PLN) to have the capacity to independently review feasibility studies proposed by private developers. This is to ensure the electricity produced from the private plants can be integrated into PLN’s grid. USAID through Indonesia Clean Energy Development II (ICED II) program supported PLN’s attempt to improve its capacity. Three training sessions were held between November 2018 to April 2019, with a total of 91 participants from PLN and the Ministry of Energy and Mineral Resources. As part of the program, the participants visited several Bioenergy plants, including to Keppel Seghers Tuas Waste-to-Energy plant in Singapore and a biomass power plant (PLTBm) in Siantan, Pontianak, in West Kalimantan, to learn about the operation of waste-to-energy plants.