This year, PLN estimates that 19 percent of its electricity will be generated from oil, 6 percent less than last year. About 44 percent will be from coal, up 5 percent, and 26 percent from gas, up 1 percent. Seven percent will be from hydropower, 2 percent from geothermal and 1 percent from biofuels. In 2011, PLN expects coal to generate 54 percent of its power, gas 25 percent and oil 12 percent.
Excerpt from The Jakarta Globe.Government plan on energy mix seems out of the cloud. At this point, coal and natural gas would give more advantages in term of cost. Yet, strict environment control shall become challenges especially on coal usage.