Reliance Power Limited (RPower) is part of the Reliance Anil Dhirubhai Ambani Group. RPower is engaged in the development, construction and operation of power generation projects with a combined planned capacity of 33,480 megawatts. The Company is developing 3,960 megawatts Tilaiya Ultra Mega Power Project located in the State of Jharkhand. RPower is developing 16 large and medium sized power projects with a combined planned installed capacity of 33,480 megawatts. The Companies subsidiaries include Sasan Power Limited, Rosa Power Supply Company Limited, Maharashtra Energy Generation Limited, Vidarbha Industries Power Limited, Tato Hydro Power Private Limited and Siyom Hydro Power Private Limited. In March 2008, the Company acquired Indonesian coal mine.