[5] The company began commercial operations in 1991 by establishing its first manufacturing unit with a production capacity of 3 MW.

[11] The company completed the world's largest solar rooftop installation in August 2017.

The rooftop project built on the cricket stadium in Mumbai, India will generate more than 1 million units and will reduce the power consumption by almost 25%.

It claims it is the world’s largest solar rooftop on a cricket stadium[13] 820.8kWp Solar Rooftop System CCI stadium in Mumbai Goes Green Estimated generation 1.12 million units per annum Offset 840 tonnes of carbon annually The project was executed by Tata Power Solar to provide solar rooftop solution for the stadium located at Mumbai and was completed in 100 days.

Shri Devendra Fadnavis, Honourable Chief Minister of Maharashtra did the inauguration of the stadium.