As of March 2025, 46.86% is owned by Indian Promoters and 53.14% by Public.

Institutional holds 25.58% (Insurance Companies 5.44%) and Non-Institutional holds 27.56% as Public shareholders.

Top five Promoters holding highest number of shares of Tata Power Co. company are Tata Sons Private Limited (14445.13 lakhs shares / 45.21%), Tata Steel Limited (391.23 lakhs shares / 1.22%), Tata Investment Corporation Ltd (68.48 lakhs shares / 0.21%), Tata Industries Limited (45.35 lakhs shares / 0.14%) and Ewart Investments Limited (22.30 lakhs shares / 0.07%).