In Indonesia s domestic market coal remains in high demand as the state owned electricity firm PLN allocated 55 6 of its energy mix in 2017 to coal fired power plants See Investment in Indonesia s Electricity Sector Sparks of Life This is higher than that of natural gas with 17 LNG at 8 hydro at 6 4 in addition to geothermal which accounted for 4 6 See Overview of Renewable