The Tata Power Company Limited, together with its subsidiaries, engages in the generation, transmission, and distribution of electricity in the states of Maharashtra, Jharkhand, and Karnataka, India. It has an installed generation capacity of approximately 2,300 megawatts. The company supplies power to bulk consumers, such as central and western railways, Mumbai port, refineries, textile mills, fertilizer factories, BARC, municipal corporation water pumping plants, and other continuous processes industries requiring uninterrupted power supply. It also engages in the design and development of defense systems, such as multi rocket launcher systems and fire control computers. In addition, The Tata Power Company involves in setting up independent and captive power plants, and power transmission and distribution projects; and provision of operation and maintenance, and remnant life assessment and performance evaluation services of power plant equipment. Further, the company engages in overseas projects, which include erection, testing, commissioning, and trial operations; and power plant/utility operations management and plant operators training. The Tata Power Company is based in Mumbai, India.