Tata Power Company Limited is an Indian electric utility company based in Mumbai, Maharashtra, India and is part of the Tata Group. The core business of the company is to generate, transmit and distribute electricity. With an installed electricity generation capacity of 10,577 MW, it is India's largest integrated power company. Tata Power has been ranked 3rd in 2017 Responsible Business Rankings developed by IIM Udaipur. In February 2017, Tata Power became the first Indian company to ship over 1 GW solar modules.