BY mid-October, Pertamina New and Renewable Energy (Pertamina NRE) will not be the only one selling carbon units on the Indonesian Carbon Exchange or IDXCarbon. According to IDX Chief Executive Officer (CEO) Iman Rachman, a subsidiary of state electricity company PLN will soon enter IDXCarbon, the only carbon exchange in Indonesia. “There will soon be one from PLN, through the Muara Karang Steam Gas Power Plant (PLTGU) unit,” he