and a distribution company in Delhi, servicing over one million consumers spread over 510 square km in the North Delhi. The peak load in this area is about 1,150 MW. Tata Power announced on 24 July 2012, commissioning of the second unit of 525 MW capacity of the Maithon mega thermal project in Dhanbad. The first unit of identical capacity was commissioned in September 2011.

It also has a distribution company in Ajmer, Rajasthan and produces Green Energy in Rajasthan