Tata Power Company (TATAPOWER) is part of Hydro-Electric Power System which also comprises Tata Hydro-Electric Power Supply Company and Andhra Valley Power Supply Company. TATAPOWER has hydel plants at Bhira, Bhivpuri, and Khopoli and a thermal power plant at Trombay. A combination of hydel and thermal enables TATAPOWER to charge lower tariff to clients, since the variable cost of generating hydel power is only a small fraction of the cost of thermal. The group`s principal activities are to generate, transmit and distribute electricity. The other segment includes electronic equipment, broadband services, project consultancy, terminalling, investments and oil exploration.
In the year 2004-2005, the company added two distribution substations, nine consumer substations with transformer, 36 Ckt.Km of HT/LT Cable network and 10 Ckt.Km of transmission lines. The Bangladesh project was acquired during 2003 for USD 8.9 million. It comprises a 132-kv Ishurdi-Baghabari transmission line and a 230-kv Ishurdi-Khulna transmission line to evacuate electricity from plants of Power Grid Corporation of Bangladesh to their substations. Tata Power Trading Company (TPTCL), a wholly-owned subsidiary of the Tata Power Company (TATAPOWER), undertakes inter-state trading of power in the country.
The company has undertaken projects in power plant and utility operations and management in Saudi Arabia, Liberia, Iran, Sierra Leone and Algeria. Recently, Tata Power chalked out an investment plan of Rs 62 billion for the next five years.